{"title":"HHT | ECU Tuning Modules","description":"","products":[{"product_id":"renntech-sprinter-van-ecu-upgrade-3-0l-v6-diesel-my2007-22-om642-258hp-398lb-ft","title":"RENNtech Sprinter VAN ECU Upgrade | 3.0L V6 Diesel | MY2007-22 | OM642 | 258HP \/ 398LB-FT","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal!\u003c\/p\u003e\n\u003cp\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Sprinter Vans offers significant gains in horsepower and torque across the entire power band maximizing the Sprinters ability to transport large cargo and tow large loads without degrading performance. \u003cbr\u003e\u003cbr\u003eTuning is available for Mercedes Sprinter, Freightliner, Dodge and Airstream Vans equipped with the 3.0L OM642 V6 Diesel Engine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAvailability:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMY2007 - 2020\n\u003cul\u003e\n\u003cli\u003eTuned via RENNtech HHT | Hand-Held Tuner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMercedes-Benz Vans Sprinter (MY2010 - 2021 | OM642 | 3.0L V6 Turbo Diesel) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cb\u003e188  \u003c\/b\u003eHP @ 3,500rpm; \u003cstrong\u003e325\u003c\/strong\u003e LB-FT @ 1,400-2,400rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e189\u003c\/strong\u003e HP @ 3,400rpm; \u003cb\u003e294\u003c\/b\u003e LB-FT @ 3,750rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eNote:  HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003cem\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eMercedes-Benz Vans Sprinter (MY2010 - 2021 | OM642 | 3.0L V6 Turbo Diesel)\u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e258\u003c\/strong\u003e HP\u003c\/span\u003e @ 3,00rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e398\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 2,850rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              217 whp @ 3,400rpm; 334 wtq @ 2,850rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on Sprinter vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed explanation on crank HP, wheel HP, drivetrain loss, etc. please \u003ca rel=\"noopener noreferrer\" href=\"index.php\/crank-wheel-hp\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"style-scope ytd-watch-metadata\"\u003eDrag Race: Stock Sprinter Vs RENNtech Engine Tune\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"container-iframe\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/xOalgAyrD5w\" class=\"responsive-iframe\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597252841728,"sku":"54.906.OM642","price":1460.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-sprinter-van-ecu-upgrade-2-1l-inline-4-diesel-my2014-22-om651-180hp-297lb-ft","title":"RENNtech Sprinter VAN ECU Upgrade | 2.1L Inline-4 Diesel | MY2014-22 | OM651 | 180HP \/ 297LB-FT","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal!\u003c\/p\u003e\n\u003cp\u003eRENNtech’s proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Sprinter Vans offers significant gains in horsepower and torque across the entire power band maximizing the Sprinters ability to transport large cargo and tow large loads without degrading performance. \u003cbr\u003e \u003cbr\u003e Tuning is available for Mercedes Sprinter, Freightliner, Dodge and Airstream Vans equipped with the 2.1L OM651 Inline-4 Diesel Engine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e135 HP \/ 221 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e180 HP \/ 297 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGains:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e+45 HP \/ +76 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"style-scope ytd-watch-metadata\"\u003e\u003cyt-formatted-string force-default-style=\"\" class=\"style-scope ytd-watch-metadata\"\u003eDrag Race: Stock Sprinter Vs RENNtech Engine Tune\u003c\/yt-formatted-string\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"container-iframe\"\u003e\u003ciframe class=\"responsive-iframe\" src=\"https:\/\/www.youtube.com\/embed\/xOalgAyrD5w\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597255332096,"sku":"54.906.OM651","price":1460.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-s-65-amg-c217-6-0l-biturbo-v12-670hp-840lb-ft-m279","title":"RENNtech ECU Upgrade | S 65 AMG | C217 | 6.0L BiTurbo V12 | 670HP\/840LB-FT | M279 | MY2015-2019","description":"\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 217 - S 65 AMG Coupé. Up to 670HP and 840LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +49HP \u0026amp; +102LB-FT\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS 65 Coupé (C217) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e621 HP @ 5500 RPM; 738 LB-FT @ 2000-3000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e670 HP @ 5500 RPM; 840 LB-FT @ 3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597376082176,"sku":"54.217.S65BT","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-s-65-amg-w222-670hp-840lb-ft-6-0l-biturbo-v12-m279","title":"RENNtech ECU Upgrade | S 65 AMG | W222 | 670HP\/840LB-FT | 6.0L BiTurbo V12 | M279 | MY2018-2020","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 222 - S 65 AMG. Up to 670HP and 840LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +49HP \u0026amp; +102LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS 65 (W222) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e621 HP @ 5500 RPM; 738 LB-FT @ 2000-3000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e670 HP @ 5500 RPM; 840 LB-FT @ 3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597422874880,"sku":"54.222.S65BT","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-sl-65-amg-r231-735hp-836lb-ft-6-0l-biturbo-v12-m279","title":"RENNtech ECU Upgrade | SL 65 AMG | R231 | 735HP\/836LB-FT | 6.0L BiTurbo V12 | M279","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 231 - SL 65 AMG. Up to 735HP and 836LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +114HP \u0026amp; +100LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNote: We have found the new M279 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see slightly higher baseline numbers than claimed by the factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSL 65 (R231) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e621 HP @ 4800 RPM; 738 LB-FT @ 2300-3000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e735 HP @ 5200 RPM; 836 LB-FT @ 3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e+114 HP \u0026amp; +100 TQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597460361472,"sku":"54.231.SL65","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-sl-65-amg-r231-735hp-836lb-ft-6-0l-biturbo-v12-m279-1","title":"RENNtech ECU Upgrade | SL 65 AMG | R231 | 735HP\/836LB-FT | 6.0L BiTurbo V12 | M279","description":"\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 231 - SL 65 AMG. Up to 735HP and 836LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +114HP \u0026amp; +100LB-FT\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNote: We have found the new M279 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see slightly higher baseline numbers than claimed by the factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSL 65 (R231) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e621 HP @ 4800 RPM; 738 LB-FT @ 2300-3000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e735 HP @ 5200 RPM; 836 LB-FT @ 3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e+114 HP \u0026amp; +100 TQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597487067392,"sku":"54.231.SL65.FL","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-g-65-amg-w463-6-0l-biturbo-v12-670hp-740lb-ft-m279","title":"RENNtech ECU Upgrade | G 65 AMG | W463 | 6.0L BiTurbo V12 | 670HP\/740LB-FT | M279","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 463 - G 65 AMG. Up to 670HP and 740LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +35HP \u0026amp; +104LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable style=\"width: 99.8182%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 100%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(41, 41, 41);\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eG65 AMG (W463 | M279 | 6.0L V12 BiTurbo) Stock Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:      \u003cstrong\u003e621\u003c\/strong\u003e HP @ 5,00-5,300rpm; not published\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e635\u003c\/strong\u003e HP @ 5,650rpm; \u003cstrong\u003e636\u003c\/strong\u003e LB-FT @ 3,050rpm\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eNote: Mercedes M279 engine performance when measured, obtains higher power numbers than rated from factory.Also, Mercedes-Benz USA did not officially publish Torque performance numbers for the W463 - G65AMG\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eG65 AMG (W463 | M279 | 6.0L V12 BiTurbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:            \u003c\/span\u003e  \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e670\u003c\/strong\u003e HP\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e @ 5,350rpm\u003c\/span\u003e; \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e740\u003c\/strong\u003e LB-FT\u003c\/span\u003e \u003cspan style=\"color: rgb(0, 0, 0);\"\u003e@ 4,050rp\u003c\/span\u003em\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"color: rgb(18, 18, 18);\"\u003e                                                \u003c\/span\u003e    536 whp @ 5,350rpm; 592 wtq @ 4,050rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597491425536,"sku":"54.463.G65BT","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-s-600-w222-582hp-752lb-ft-6-0l-biturbo-v12-m277","title":"RENNtech ECU Upgrade | S 600 | W222 | 582HP\/752LB-FT | 6.0L BiTurbo V12 | M277 | MY2015-2017","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 222 - S 600 BiTurbo V12. Up to 582HP and 752TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +59HP \u0026amp; +140TQ\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M277 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M277 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 523 HP and 612 lb\/ft torque, up to an astonishing 582 HP and 752 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS 600 BiTurbo (W222 - M277 6.0L BiTurbo V12 Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e523 hp @ 4,900-5,500 RPM; 612 lb-ft @ 1,900-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M157 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eS 600 BiTurbo (W222 - M277 6.0L BiTurbo V12 Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e582 hp @ 4,700 RPM; 752 lb-ft @ 2,750 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46597496111360,"sku":"54.222.S600","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-mercedes-maybach-s-600-w222-582hp-752lb-ft-6-0l-biturbo-v12-m277","title":"RENNtech ECU Upgrade | Mercedes-Maybach | S 600 | W222 | 582HP\/752LB-FT | 6.0L BiTurbo V12 | M277 | MY2014-2017","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for the Mercedes-Maybach 222 - S 600 BiTurbo V12. Up to 582HP and 752TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +59HP \u0026amp; +140TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M277 V12 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M277 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 523 HP and 612 lb\/ft torque, up to an astonishing 582 HP and 752 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMercedes-Maybach S 600 BiTurbo (W222 - M277 6.0L BiTurbo V12 Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e523 hp @ 4,900-5,500 RPM; 612 lb-ft @ 1,900-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M279 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eMercedes-Maybach \u003c\/strong\u003eS 600 BiTurbo (W222 - M277 6.0L BiTurbo V12 Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e582 hp @ 4,700 RPM; 752 lb-ft @ 2,750 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604084543744,"sku":"54.222.MM.S600","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-hht-ecu-upgrade-cl-600-c215-417hp-453lb-ft-5-8l-v12-m137","title":"RENNtech HHT ECU Upgrade | CL 600 | C215 | 417HP\/453LB-FT | 5.8L V12 | M137 | MY2000-2002","description":"\u003cp\u003e\u003cstrong\u003eRENNtech HHT ECU Upgrade for the 215 - CL 600. Up to 417HP and 446TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +55HP \u0026amp; +56TQ\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M137 V12 ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M137 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 390 lb\/ft torque, up to an astonishing 427 HP and 453 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCL 600 (C215 - M137 5.8L V12 Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 hp @ 4,900-5,500 RPM; 390 lb-ft @ 1,900-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M137 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eCL 600 (C215 - M137\u003cstrong\u003e 5.8L V12 Engine\u003c\/strong\u003e) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e417 hp @ 5,100 RPM; 446 lb-ft @ 4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604078350592,"sku":"54.215.CL600.NA","price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-hand-held-tuner-hht-for-cl-600-up-to-2006-c215-625-hp-745-lb-ft","title":"RENNtech ECU Hand Held Tuner (HHT) for CL 600 | C215 | 625 HP \/ 745  LB-FT | +132HP \/ +155LB-FT | MY2003-2006","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU HHT (HandHeldTuner) for the 215 - CL 600. Up to 625HP and 745 LB-FT LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +132HP \u0026amp; +155 LB-FT.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCL 600 (C215) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e493 HP @ 5000 RPM; 590 LB-FT @ 1800-3500 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e625 HP @ 5000 RPM; 745 LB-FT @ 1800-3500 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote- a transmission control unit upgrade (TCU) is also available (add $950)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604075860224,"sku":"54.215.CL600","price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-s-600-w220-417hp-446lb-ft-5-8l-v12-m137","title":"RENNtech ECU Upgrade | S 600 | W220 | 417HP\/446LB-FT | 5.8L V12 | M137 | MY2000-2002","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for the 220 - S 600. Up to 417HP and 446TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +55HP \u0026amp; +56TQ\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 390 lb\/ft torque, up to an astonishing 427 HP and 453 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS 600 (W220 - M137 5.8L V12 Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 hp @ 4,900-5,500 RPM; 390 lb-ft @ 1,900-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M137 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eS 600 (W220 - M137\u003cstrong\u003e 5.8L V12 Engine\u003c\/strong\u003e) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e417 hp @ 5,100 RPM; 446 lb-ft @ 4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604009734400,"sku":"54.220.S600.NA","price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-hand-held-tuner-hht-for-s-600-up-to-2006-w220-625-hp-745-lb-ft","title":"RENNtech ECU Hand Held Tuner (HHT) for S 600 | W220 | 625 HP \/ 745  LB-FT | MY2003-2006","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU HHT (HandHeldTuner) for the 220 - S 600. Up to 625HP and 745 LB-FT  LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +132HP \u0026amp; +155 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS 600 (W220) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e493 HP @ 5000 RPM; 590 LB-FT @ 1800-3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e625 HP @ 5000 RPM; 745 LB-FT @ 1800-3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNote- a transmission control unit upgrade (TCU) is also available (add $950)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604031000832,"sku":"54.220.S600","price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-hht-hand-held-tuner-r230-sl-600-my03-06-625-hp-745-lb-ft-5-5l-v12-biturbo-m275","title":"RENNtech | ECU HHT-Hand Held Tuner | R230 | SL 600 | 625 HP \/ 745 LB-FT | 5.5L V12 BiTurbo | M275 | MY2004-2006","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU HHT (HandHeldTuner) for the 230 - SL 600. Up to 625HP and 745 LB-FT LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +133HP \u0026amp; +155LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSL 600 (R230) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e493 HP @ 5000 RPM; 590 LB-FT @ 1800-3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e625 HP @ 5000 RPM; 745 LB-FT @ 1800-3500 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGains\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e+133 HP \/ +155 LB-FT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote- a transmission control unit upgrade (TCU) is also available (add $950)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604053577984,"sku":"54.230.SL600o","price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-a-45-amg-w176-428hp-417lb-ft-2-0l-turbo-m133-1","title":"RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP\/417LB-FT | 2.0L Turbo | M133","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for the 176 - A 45 AMG. Up to 428HP and 417TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +73HP \u0026amp; +85TQ\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M133 ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb\/ft torque, up to an astonishing 428 HP and 417 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable class=\"mceItemTable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003eA 45 AMG (MY2013+ | W176 | M133 | 2.0L Inline-4 Turbo) Stock Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(3, 3, 3);\"\u003e\n\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003e355\u003c\/strong\u003e HP @ 6,000rpm; \u003cstrong\u003e332\u003c\/strong\u003e LB-FT @ 2,250-5,000rpm\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(3, 3, 3);\"\u003e\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e\u003cem\u003eNote: Mercedes M133 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003eA 45 AMG (MY2013+ | W176 | M133 | 2.0L Inline-4 Turbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"color: rgb(3, 3, 3);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:       \u003c\/span\u003e       \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e428\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,150rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e417\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,050rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e                                   \u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                 351 whp @ 6,150rpm; 342 wtq @ 4,050rpm\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 18% Drivetrain loss on the 4-MATIC vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003ca style=\"color: rgb(0, 0, 0);\" href=\"images\/stories\/virtuemart\/product\/RENNtech_M133_45AMG_ECU+_web.jpg\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg src=\"images\/stories\/virtuemart\/product\/RENNtech_M133_45AMG_ECU+_web.jpg\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604343935232,"sku":"54.176.A45","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-cla-45-amg-c117-428hp-417lb-ft-2-0l-turbo-m133","title":"RENNtech ECU Upgrade | CLA 45 AMG | C117 | 428HP\/417LB-FT | 2.0L Turbo | M133","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for the 117 - CLA 45 AMG. Up to 428HP and 417TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +53HP \u0026amp; +67TQ\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M133 ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb\/ft torque, up to an astonishing 428 HP and 417 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eCLA 45 AMG (C117 - M133\u003cstrong\u003e 2.0L Engine\u003c\/strong\u003e)\u003c\/strong\u003e\u003c\/strong\u003e Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e375 hp @ 6,000 RPM; 350 lb-ft @ 2,250-5,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M133 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003eCLA 45 AMG (MY2013+ | C117 | M133 | 2.0L Inline-4 Turbo) Stock Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(3, 3, 3);\"\u003e\n\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003e355\u003c\/strong\u003e HP @ 6,000rpm; \u003cstrong\u003e332\u003c\/strong\u003e LB-FT @ 2,250-5,000rpm\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(3, 3, 3);\"\u003e\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e\u003cem\u003eNote: Mercedes M133 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(3, 3, 3);\"\u003e\u003cstrong\u003eCLA 45 AMG (MY2013+ | C117 | M133 | 2.0L Inline-4 Turbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"color: rgb(81, 81, 81);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:            \u003c\/span\u003e  \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e428\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,150rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e417\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,050rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                                                    351 whp @ 6,150rpm; 342 wtq @ 4,050rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 18% Drivetrain loss on the 4-MATIC vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_M133_45AMG_ECU+_web.jpg\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604365103360,"sku":"54.117.CLA45","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-gla-45-amg-x156-428hp-417lb-ft-2-0l-turbo-m133","title":"RENNtech ECU Upgrade | GLA 45 AMG | X156 | 428HP\/417LB-FT | 2.0L Turbo | M133","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for the 217 - CLA 45 AMG. Up to 428HP and 417TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +73HP \u0026amp; +85TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M133 ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb\/ft torque, up to an astonishing 428 HP and 417 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGLA 45 AMG (MY2013+ | X156 | M133 | 2.0L Inline-4 Turbo) Stock Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e355\u003c\/strong\u003e HP @ 6,000rpm; \u003cstrong\u003e332\u003c\/strong\u003e LB-FT @ 2,250-5,000rpm\u003c\/span\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eNote: Mercedes M133 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGLA 45 AMG (MY2013+ | X156 | M133 | 2.0L Inline-4 Turbo) Modified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:           \u003c\/span\u003e   \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e428\u003c\/strong\u003e HP\u003c\/span\u003e @ 6,150rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e417\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,050rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ffffff;\"\u003e                                                    351 whp @ 6,150rpm; 342 wtq @ 4,0\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e50rpm\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 18% Drivetrain loss on the 4-MATIC vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"images\/stories\/virtuemart\/product\/RENNtech_M133_45AMG_ECU+_web.jpg\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604387483904,"sku":"54.156.GLA45","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c-400-w205-392hp-432lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech | ECU Upgrade | C 400 | W205 | 392HP\/432LB-FT | 3.0L BiTurbo V6 | M276 | MY2015-2022","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 205 - C 400 BiTurbo 4-MATIC. Up to 392HP and 432LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +63HP \u0026amp; +79LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eC 400 BiTurbo (W205 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes \u003cspan\u003eM276\u003c\/span\u003e engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eC 400 BiTurbo (W205 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604408226048,"sku":"54.205W.C400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-cls-400-c218-392hp-432tq-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | CLS 400 | C218 | 392HP\/432TQ | 3.0L BiTurbo V6 | M276 | MY2015-2018","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 218 - CLS 400 BiTurbo 4-MATIC. Up to 392HP and 432TQ.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +63HP \u0026amp; +78TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCLS 400 BiTurbo (C218 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes \u003cspan\u003eM276\u003c\/span\u003e engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eCLS 400 BiTurbo (C218 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604429590784,"sku":"54.218.CLS400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-w213-e400-392-hp-463-lb-ft-3-0l-v6-biturbo-m276","title":"RENNtech ECU+ Upgrade | W213 | E400 | 392 HP\/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2017-2018","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 392 HP \/ 463 LB-FT | Gains: +53 HP \u0026amp; +78 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W213 - E400 gains up to \u003c\/span\u003e\u003cstrong\u003e+53 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+78 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E400 is \u003cstrong\u003e392 HP\u003c\/strong\u003e and \u003cstrong\u003e463 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,400rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE400 (MY2018+ | W213 | M276 | 3.0L V6 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                               \u003cb\u003e329\u003c\/b\u003e HP @ 5,250-6,000rpm; \u003cstrong\u003e354\u003c\/strong\u003e LB-FT @ 1,600-4,000rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:          \u003cstrong\u003e339\u003c\/strong\u003e HP @ 5,600rpm; \u003cstrong\u003e385\u003c\/strong\u003e LB-FT @ 3,030rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eE400 (MY2018+ | W213 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e392 \u003c\/b\u003eHP\u003c\/span\u003e @ 5,050rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e463 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,550rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              325 whp @ 5,050rpm; 384 wtq @ 3,550rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/es\/index.php\/crank-wheel-hp\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604688326912,"sku":"54.213W.E400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-s213-e400-392-hp-432-lb-ft-3-0l-v6-biturbo-m276","title":"RENNtech ECU+ Upgrade | S213 | E400 | 392 HP\/432 LB-FT | 3.0L V6 BiTurbo | M276 | MY2017-2018","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 392 HP \/ 463 LB-FT | Gains: +53 HP \u0026amp; +78 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W213 - E400 gains up to \u003c\/span\u003e\u003cstrong\u003e+53 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+78 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E400 is \u003cstrong\u003e392 HP\u003c\/strong\u003e and \u003cstrong\u003e463 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,400rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE400 (MY2017+ | S213 | M276 | 3.0L V6 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                               \u003cb\u003e329\u003c\/b\u003e HP @ 5,250-6,000rpm; \u003cstrong\u003e354\u003c\/strong\u003e LB-FT @ 1,600-4,000rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:          \u003cstrong\u003e339\u003c\/strong\u003e HP @ 5,600rpm; \u003cstrong\u003e385\u003c\/strong\u003e LB-FT @ 3,030rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eE400 (MY2017+ | S213 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e392 \u003c\/b\u003eHP\u003c\/span\u003e @ 5,050rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e463 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,550rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              325 whp @ 5,050rpm; 384 wtq @ 3,550rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604703826176,"sku":"54.213S.E400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-e-400-c207-392hp-432lb-ft-3-0-l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | E 400 | C207 | 392HP\/432LB-FT | 3.0 L BiTurbo V6 | M276 | MY2015-2017","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 212 - E 400 BiTurbo 4-MATIC Coupé. Up to 392HP and 432LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +63HP \u0026amp; +78LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eE 400 BiTurbo (C207 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes \u003cspan\u003eM276\u003c\/span\u003e engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eE 400 BiTurbo (C207 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604734923008,"sku":"54.207.E400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c238-e400-392-hp-463-lb-ft-3-0l-v6-biturbo-m276","title":"RENNtech ECU+ Upgrade | C238 | E400 | 392 HP\/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 392 HP \/ 463 LB-FT | Gains: +53 HP \u0026amp; +78 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 463 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W213 - E400 gains up to \u003c\/span\u003e\u003cstrong\u003e+53 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+78 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E400 is \u003cstrong\u003e392 HP\u003c\/strong\u003e and \u003cstrong\u003e463 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,400rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE400 (MY2018+ | W213 | M276 | 3.0L V6 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                               \u003cb\u003e329\u003c\/b\u003e HP @ 5,250-6,000rpm; \u003cstrong\u003e354\u003c\/strong\u003e LB-FT @ 1,600-4,000rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:          \u003cstrong\u003e339\u003c\/strong\u003e HP @ 5,600rpm; \u003cstrong\u003e385\u003c\/strong\u003e LB-FT @ 3,030rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eE400 (MY2018+ | W213 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e392 \u003c\/b\u003eHP\u003c\/span\u003e @ 4,950rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e463 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,450rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              337 whp @ 4,950rpm; 398 wtq @ 3,450rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604757106944,"sku":"54.238.E400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c238-e400-4matic-392-hp-432-lb-ft-3-0l-v6-biturbo-m276","title":"RENNtech ECU+ Upgrade | C238 | E400 4MATIC | 392 HP\/432 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 392 HP \/ 463 LB-FT | Gains: +53 HP \u0026amp; +78 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W213 - E400 gains up to \u003c\/span\u003e\u003cstrong\u003e+53 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+78 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E400 is \u003cstrong\u003e392 HP\u003c\/strong\u003e and \u003cstrong\u003e463 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,400rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE400 (MY2018+ | C238 | M276 | 3.0L V6 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                               \u003cb\u003e329\u003c\/b\u003e HP @ 5,250-6,000rpm; \u003cstrong\u003e354\u003c\/strong\u003e LB-FT @ 1,600-4,000rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:          \u003cstrong\u003e339\u003c\/strong\u003e HP @ 5,600rpm; \u003cstrong\u003e385\u003c\/strong\u003e LB-FT @ 3,030rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eE400 (MY2018+ | C238 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e392 \u003c\/b\u003eHP\u003c\/span\u003e @ 5,800rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e463 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,550rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              325 whp @ 5,800rpm; 384 wtq @ 3,550rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604776571136,"sku":"54.238.E400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c238-e450-biturbo-392-hp-463-lb-ft-3-0l-v6-biturbo-m276","title":"RENNtech ECU+ Upgrade | C238 | E450 BiTurbo | 392 HP\/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 392 HP \/ 463 LB-FT | Gains: +53 HP \u0026amp; +78 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 463 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning the C238 - E450 gains up to \u003cstrong\u003e+53 HP\u003c\/strong\u003e and \u003cstrong\u003e+78 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E450 is \u003cstrong\u003e392 HP\u003c\/strong\u003e and \u003cstrong\u003e463 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,400rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE450 (MY2018+ | C238 | M276 | 3.0L V6 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                               \u003cb\u003e329\u003c\/b\u003e HP @ 5,250-6,000rpm; \u003cstrong\u003e354\u003c\/strong\u003e LB-FT @ 1,600-4,000rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:          \u003cstrong\u003e339\u003c\/strong\u003e HP @ 5,600rpm; \u003cstrong\u003e385\u003c\/strong\u003e LB-FT @ 3,030rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eE450 (MY2018+ | \u003cstrong\u003eC238\u003c\/strong\u003e | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e392 \u003c\/b\u003eHP\u003c\/span\u003e @ 4,950rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e463 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 3,450rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              337 whp @ 4,950rpm; 398 wtq @ 3,450rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604797575424,"sku":"54.238.E450BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-r172-slc-43-amg-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | R172 | SLC 43 AMG | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2020","description":"\u003cp\u003e\u003cstrong\u003eThe ECU Plus Upgrade brings the R172 - SLC 43 AMG up to 416 HP and 460 LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe R172 - SLC 43 AMG gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the R172 - SLC 43 AMG is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eSLC 43 AMG Coupe (R172 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eSLC 43 AMG\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003e Coupe (R1722\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604815401216,"sku":"54.172.SLC43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-sl-400-r230-392hp-432lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | SL 400 | R230 | 392HP\/432LB-FT | 3.0L BiTurbo V6 | M276","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 231 - SL 400 BiTurbo 4-MATIC. Up to 392HP and 432LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +63HP \u0026amp; +78LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSL 400 BiTurbo (R231 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes \u003cspan\u003eM276\u003c\/span\u003e engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eSL 400 BiTurbo (R231 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604835913984,"sku":"54.231.SL400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-ml-400-x166-392hp-432lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | ML 400 | X166 | 392HP\/432LB-FT | 3.0L BiTurbo V6 | M276","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 166 - ML 400 BiTurbo 4-MATIC. Up to 392HP and 432LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +63HP \u0026amp; +78LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eML 400 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes \u003cspan\u003eM276\u003c\/span\u003e engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eML 400 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604853707008,"sku":"54.166.ML400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-gle-400-x166-392hp-432lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | GLE 400 | X166 | 392HP\/432LB-FT | 3.0L BiTurbo V6 | M276","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 166 - GLE 400 BiTurbo 4-MATIC SUV. Up to 392HP and 432LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +63HP \u0026amp; +78LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGLE 400 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M276 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 400 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604871074048,"sku":"54.166.GLE400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-gle-400-x292-392hp-432lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | GLE 400 | X292 | 392HP\/432LB-FT | 3.0L BiTurbo V6 | M276","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 292 - GLE 400 BiTurbo 4-MATIC Coupe. Up to 392HP and 454LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +40HP \u0026amp; +70LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 462 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGLE 400 BiTurbo (X292 - M276 Biturbo Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M276 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 450 AMG BiTurbo (X292 - M276 Biturbo Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604886212864,"sku":"54.292.GLE400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-gl-450-amg-x166-402hp-454lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | GL 450 AMG | X166 | 402HP\/454LB-FT | 3.0L BiTurbo V6 | M276","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 166 - GL 450 BiTurbo 4-MATIC. Up to 402HP and 454LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +40HP \u0026amp; +70LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 384 lb\/ft torque, up to an astonishing 402 HP and 454 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGL 450 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 hp @ 5,500-6,000 RPM; 384 lb-ft @ 1,800-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M276 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eGL 450 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e402 hp @ 5,300 RPM; 454 lb-ft @ 3,200 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604907446528,"sku":"54.166.GL450BT.V6","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-gls-450-x166-402hp-454lb-ft-3-0l-biturbo-v6-m276","title":"RENNtech ECU Upgrade | GLS 450 | X166 | 402HP\/454LB-FT | 3.0L BiTurbo V6 | M276","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Upgrade for 166 - GLS 450 BiTurbo 4-MATIC. Up to 402HP and 454LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +40HP \u0026amp; +70LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M276 Biturbo ECU Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eOur ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 384 lb\/ft torque, up to an astonishing 402 HP and 454 lb\/ft at the crank!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGLS 450 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Stock Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 hp @ 5,500-6,000 RPM; 384 lb-ft @ 1,800-4,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eNote: Mercedes M276 engine performance when measured obtains higher numbers that rated from factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eGLS 450 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) \u003c\/strong\u003eModified Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e402 hp @ 5,300 RPM; 454 lb-ft @ 3,200 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604933267712,"sku":"54.166.GLS450BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-w205-c-43-amg-sedan-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | W205 | C 43 AMG | Sedan | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2021","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech ECU Plus Upgrade brings the C 43 AMG Sedan up to 416 HP and 460 LB-FT | Gains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the RENNtech ECU Plus Upgrade \u003cspan\u003ethe W205 - C 43 AMG Sedan gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the W205 - C 43 AMG Sedan is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eD\u003cem\u003e\u003cspan\u003eue to fuel quality problems, not all states can be supplied with the full power Upgrade. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 12.16px;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: rgb(235, 235, 235); border-radius: 10px; float: left; width: 800px; border: 1px solid rgb(255, 0, 0); height: 303.938px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 303.938px;\"\u003e\n\u003ctd style=\"height: 303.938px;\"\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eC43 AMG Sedan (W205 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong style=\"text-align: center;\"\u003eMercedes-Benz\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e:        \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e362\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e HP @ 5,500-6,000 RPM; \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e384\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e LB-FT @ 2,000-4,200 RPM\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong style=\"text-align: center;\"\u003eRENNtech\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e:                \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e375\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e HP @ 5,600 RPM; \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e398\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e LB-FT @ 3,300-3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem style=\"text-align: center;\"\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eC43 AMG Sedan (W205 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong style=\"text-align: center;\"\u003eRENNtech\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e:                \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e416\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e HP @ 5,450 RPM; \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e460\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e LB-FT @ 3,250-3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem style=\"text-align: center;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46604974522624,"sku":"54.205W.C43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c205-c-43-amg-coupe-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech ECU Plus Upgrade brings the C 43 AMG Coupe up to 416 HP and 460 LB-FT | Gains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe C205 - C 43 AMG Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the C205 - C 43 AMG Coupe is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eD\u003cem\u003e\u003cspan\u003eue to fuel quality problems, not all states can be supplied with the full power Upgrade. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eC43 AMG Coupe (C205 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eC43 AMG Coupe (C205 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003e\u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605019971840,"sku":"54.205C.C43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-w213-e43-amg-sedan-416-hp-471-lb-ft-m276-3-0l-v6-biturbo","title":"RENNtech ECU+ Upgrade | W213 | E43 AMG | Sedan | 416 HP \/ 471 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2018","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech ECU Plus Upgrade brings the E43 AMG Sedan up to 416 HP and 471 LB-FT | Gains: +14 HP and +57 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the RENNtech ECU Plus Upgrade \u003cspan\u003ethe W213 - E43 AMG Sedan gains up to \u003c\/span\u003e\u003cstrong\u003e+14 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+57 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the W213 - E43 AMG Sedan is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e471\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, not all states can be supplied with the full power Upgrade. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\" style=\"background-color: #ebebeb;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 280px;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 250px;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 105px;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 105px;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 105px;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 105px;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e1\/4 Mile MPH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\" style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e2017 - W213 E43 AMG Sedan\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eStock\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e4.461 sec\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e11.023 sec\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e12.978 sec\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e107.343 mph\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eRENNtech ECU Upgrade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e4.160 sec\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e10.460 sec\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e12.630 sec\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e108.922 mph\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; float: left; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eE43 AMG Sedan (W213 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong style=\"text-align: center;\"\u003eMercedes-Benz\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e:        \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e396\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e HP @ 6,100 RPM; \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e384\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e LB-FT @ 2,500-5,000 RPM\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong style=\"text-align: center;\"\u003eRENNtech\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e:                \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e402\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e HP @ 5,750 RPM; \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e414\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e LB-FT @ 3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem style=\"text-align: center;\"\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eE43 AMG Sedan (W213 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003eModified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong style=\"text-align: center;\"\u003eRENNtech\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e:                \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e416\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e HP @ 5,900 RPM; \u003c\/span\u003e\u003cstrong style=\"text-align: center;\"\u003e471\u003c\/strong\u003e\u003cspan style=\"text-align: center;\"\u003e LB-FT @ 3,300 RPM\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem style=\"text-align: center;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605044711680,"sku":"54.213W.E43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-x253-glc-43-amg-suv-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | X253 | GLC 43 AMG | SUV | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Plus Upgrade for X253 - GLC 43 AMG SUV.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eThe ECU Plus Upgrade brings the GLC 43 AMG SUV up to 416 HP and 460 LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe X253 - GLC 43 AMG SUV gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the X253 - GLC 43 AMG SUV is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG SUV (X253 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG SUV (X253 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605069713664,"sku":"54.253X.GLC43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c253-glc-43-amg-coupe-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | C253 | GLC 43 AMG | Coupe | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eThe  RENNtech ECU Plus Upgrade brings the GLC 43 AMG SUV up to 416 HP and 460 LB-FT | Gains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe C253 - GLC 43 AMG Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the C253 - GLC 43 AMG Coupe is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG Coupe (C253 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLC 43 AMG Coupe (C253 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605089538304,"sku":"54.253C.GLC43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-w166-gle-43-amg-suv-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | W166 | GLE 43 AMG | SUV | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech ECU Plus Upgrade brings the W166 - GLE 43 AMG SUV up to 416 HP and 460 LB-FT | Gains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe W166 - GLE AMG SUV gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the W166 - GLE 43 AMG SUV is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 43 AMG SUV (W166 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 1,8000-4,000 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 43 AMG SUV (W166 | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605114638592,"sku":"54.166.GLE43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-c292-gle-43-amg-coupe-416-hp-460-lb-ft-m276-3-0l-v6-biturbo-my2016","title":"RENNtech ECU+ Upgrade | C292 | GLE 43 AMG | Coupe | 416 HP \/ 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU Plus Upgrade for C292 - GLE 43 AMG Coupe.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eThe ECU Plus Upgrade brings the C292 - GLE 43 AMG Coupe up to 416 HP and 460 LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +41 HP and +62 LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Plus Upgrade \u003cspan\u003ethe C292 - GLE 43 AMG Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+41 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+60 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the C292 - GLE 43 AMG Coupe is \u003cstrong\u003e416 HP\u003c\/strong\u003e and \u003cstrong\u003e460\u003c\/strong\u003e\u003cstrong\u003e LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eOur numbers will be dependend on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Package.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan style=\"font-size: 12.16px; line-height: 1.3em;\"\u003eDue to fuel quality problems, the following states can not be supplied with the full power Upgrade: AZ, CA, CO, LA, NV, TX, WA, Canada. Please call for detailed info +1-561-845-7888.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable cellspacing=\"15\" border=\"0\" style=\"background-color: #ebebeb; border-radius: 10px; width: 800px; border: 1px solid #ff0000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 43 AMG Coupe (C292 | M276 | 3.0L V6 BiTurbo) \u003c\/strong\u003e\u003c\/strong\u003eStock Performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:        \u003cstrong\u003e362\u003c\/strong\u003e HP @ 5,500-6,000 RPM; \u003cstrong\u003e384\u003c\/strong\u003e LB-FT @ 2,000-4,200 RPM\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:                \u003cstrong\u003e375\u003c\/strong\u003e HP @ 5,600 RPM; \u003cstrong\u003e398\u003c\/strong\u003e LB-FT @ 3,300-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMercedes M276 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGLE 43 AMG\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003e Coupe (C292\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e | M276 | 3.0L V6 BiTurbo) Modified \u003c\/strong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e416\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e460\u003c\/strong\u003e LB-FT @ 3,250-3,600 RPM\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605154418944,"sku":"54.292.GLE43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025_2.jpg?v=1746204255"},{"product_id":"renntech-ecu-upgrade-w213-e63-amg-s-4matic-773-hp-778lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | W213 | E63 AMG (S) 4MATIC+ | 773 HP\/778LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 773 HP \/ 778 LB-FT | Gains: +82 HP \u0026amp; +84 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith the proprietary RENNtech ECU Tuning the W213 - E63 AMG S 4MATIC+ gains up to \u003cstrong\u003e+82 HP\u003c\/strong\u003e and \u003cstrong\u003e+84LB-FT\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E63 AMG S 4MATIC+ is \u003cstrong\u003e773 HP\u003c\/strong\u003e and \u003cstrong\u003e778 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Sedan\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/o Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.63 sec\u003c\/td\u003e\n\u003ctd\u003e7.96 sec\u003c\/td\u003e\n\u003ctd\u003e9.40 sec\u003c\/td\u003e\n\u003ctd\u003e11.76 sec\u003c\/td\u003e\n\u003ctd\u003e122.11 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Sedan\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.1 sec\u003c\/td\u003e\n\u003ctd\u003e7.30 sec\u003c\/td\u003e\n\u003ctd\u003e9.13 sec\u003c\/td\u003e\n\u003ctd\u003e11.24 sec\u003c\/td\u003e\n\u003ctd\u003e124.85 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Sedan\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2.79 sec\u003c\/td\u003e\n\u003ctd\u003e6.61 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e10.88 sec\u003c\/td\u003e\n\u003ctd\u003e128.72 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Sedan\u003c\/td\u003e\n\u003ctd\u003eR2 Package\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control, PBIR Dragstrip\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2.66 sec\u003c\/td\u003e\n\u003ctd\u003e6.13 sec\u003c\/td\u003e\n\u003ctd\u003e7.43 sec\u003c\/td\u003e\n\u003ctd\u003e10.436 sec\u003c\/td\u003e\n\u003ctd\u003e133.45 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE63 AMG S 4MATIC+ (MY2018+ | W213 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e6\u003c\/strong\u003e\u003cstrong\u003e03\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e627\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                \u003cstrong\u003e685\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e667\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e691\u003c\/strong\u003e HP @ 6,200rpm; \u003cb\u003e694\u003c\/b\u003e LB-FT @ 3,400rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE63 AMG S 4MATIC+ (MY2018+ | W213 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e773\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,600rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e778\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              665 whp @ 5,600rpm; 668 wtq @ 4,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46605172080896,"sku":"54.213W.E63BT","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-s213-e63-amg-s-4matic-773-hp-778lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | S213 | E63 AMG (S) 4MATIC+ | 773 HP\/778LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 773 HP \/ 778 LB-FT | Gains: +82 HP \u0026amp; +84 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith the proprietary RENNtech ECU Tuning the W213 - E63 AMG S 4MATIC+ gains up to \u003cstrong\u003e+82 HP\u003c\/strong\u003e and \u003cstrong\u003e+84LB-FT\u003c\/strong\u003e,\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E63 AMG S 4MATIC+ is \u003cstrong\u003e773 HP\u003c\/strong\u003e and \u003cstrong\u003e778 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Wagon\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.08 sec\u003c\/td\u003e\n\u003ctd\u003e7.29 sec\u003c\/td\u003e\n\u003ctd\u003e9.18 sec\u003c\/td\u003e\n\u003ctd\u003e11.25 sec\u003c\/td\u003e\n\u003ctd\u003e124.85 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eW213 - E63 AMG S Wagon\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2.8 sec\u003c\/td\u003e\n\u003ctd\u003e6.76 sec\u003c\/td\u003e\n\u003ctd\u003e8.32 sec\u003c\/td\u003e\n\u003ctd\u003e10.95 sec\u003c\/td\u003e\n\u003ctd\u003e128.71 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE63 AMG S 4MATIC+ (MY2018+ | S213 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e6\u003c\/strong\u003e\u003cstrong\u003e03\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e627\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                \u003cstrong\u003e685\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e667\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e691\u003c\/strong\u003e HP @ 6,200rpm; \u003cb\u003e694\u003c\/b\u003e LB-FT @ 3,400rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eE63 AMG S 4MATIC+ (MY2018+ | S213 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e773\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,600rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e778\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              665 whp @ 5,600rpm; 668 wtq @ 4,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607137014016,"sku":"54.213S.E63BT","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-w222-s63-amg-s-4matic-740-hp-806-lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | W222 | S63 AMG S 4MATIC+ | 740 HP \/ 806 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2020","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 740 HP \/ 806 LB-FT | Gains: +87 HP \u0026amp; +44 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W222 - S63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+87 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+44 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the S63 AMG S 4MATIC+ is \u003cstrong\u003e740 HP\u003c\/strong\u003e and \u003cstrong\u003e806 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eS63 AMG 4MATIC+ (MY2018+ | W222 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e6\u003c\/strong\u003e\u003cstrong\u003e03\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e664\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cb\u003e653 \u003c\/b\u003eHP @ 6,200rpm; \u003cb\u003e762 \u003c\/b\u003eLB-FT @ 3,400rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eS63 AMG 4MATIC+ (MY2018+ | W222 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cb\u003e\u003cspan style=\"color: #ff0000;\"\u003e740\u003c\/span\u003e \u003c\/b\u003e\u003cspan style=\"color: #ff0000;\"\u003eHP\u003c\/span\u003e @ 5,600rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e806 \u003c\/b\u003e\u003cspan style=\"color: #ff0000;\"\u003eLB-FT\u003c\/span\u003e\u003c\/span\u003e @ 4,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              621 whp @ 5,600rpm; 640 wtq @ 4,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607145140480,"sku":"54.222.S63BT.FL","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-c217-s63-amg-s-4matic-773-hp-778lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | C217 | S63 AMG S 4MATIC | 773 HP\/778LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2021","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 773 HP \/ 778 LB-FT | Gains: +82 HP \u0026amp; +84 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe C217 - S63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+82 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+81\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E63 AMG S 4MATIC+ is \u003cstrong\u003e773 HP\u003c\/strong\u003e and \u003cstrong\u003e778 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eS63 AMG 4MATIC+ (MY2018+ | C217 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e6\u003c\/strong\u003e\u003cstrong\u003e03\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e664\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                \u003cstrong\u003e685\u003c\/strong\u003e HP @ 5,750-6,500rpm; \u003cstrong\u003e667\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e691\u003c\/strong\u003e HP @ 6,200rpm; \u003cb\u003e694\u003c\/b\u003e LB-FT @ 3,400rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eS63 AMG 4MATIC+ (MY2018+ | C217 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e773\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,600rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e778\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              665 whp @ 5,600rpm; 668 wtq @ 4,400rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607161786624,"sku":"54.217.S63BT.FL","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-x290-gt-63-s-amg-4-door-coupe-783-hp-798-lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | X290 | GT 63 (S) AMG 4-Door Coupe | 783 HP \/ 798 LB-FT | 4.0L V8 BiTurbo | M177 | 19-23","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 783 HP \/ 798 LB-FT | Gains: +102 HP \u0026amp; +62 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe X290 - GT 63 AMG S 4-Door Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+102 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+62\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GT 63 AMG S 4-Door Coupe is \u003cstrong\u003e783 HP\u003c\/strong\u003e and \u003cstrong\u003e798 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz AMG, 4.0 L BiTurbo V8, M176\/177\/178, -engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not to reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 1,000rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGT 63 S AMG S 4-Door Coupe (MY2019+ | X290 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e630\u003c\/strong\u003e HP @ 5,500-6,500rpm; \u003cstrong\u003e664\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                \u003cstrong\u003e670\u003c\/strong\u003e HP @ 5,500-6,500rpm; \u003cstrong\u003e668\u003c\/strong\u003e LB-FT @ 2,500-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e681\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e736\u003c\/b\u003e LB-FT @ 3,450rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eGT 63 S AMG S 4-Door Coupe (MY2019+ | X290 | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e783\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,750rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e798\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,550rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              658 whp @ 5,750rpm; 670 wtq @ 4,550rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607192260864,"sku":"54.290.GT63BT","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-w463-g63-amg-731-hp-786-lb-ft-4-0l-v8-biturbo-m177-my2018","title":"RENNtech ECU+ Upgrade | W463 | G63 AMG | 731 HP\/786 LB-FT | 4.0L V8 BiTurbo | M177 | MY2019-2024","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 731 HP \/ 786 LB-FT | Gains: +88 HP \u0026amp; +65 LB-FT\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe W463 - G63 AMG gains up to \u003c\/span\u003e\u003cstrong\u003e+88 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+66 \u003c\/strong\u003e\u003cstrong\u003eLB-FT (+75 WHP and +56 WTQ)\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the G63 AMG is \u003cstrong\u003e731 HP\u003c\/strong\u003e and \u003cstrong\u003e786 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on SUV's.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,000rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eG63 AMG (MY2019+ | W463 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(peak.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cb\u003e577 \u003c\/b\u003eHP @ 6,000rpm; \u003cstrong\u003e627\u003c\/strong\u003e LB-FT @ 2,500-3,500rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cb\u003e642\u003c\/b\u003e HP @ 6,050rpm; \u003cb\u003e720\u003c\/b\u003e LB-FT @ 3,250rpm\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eG63 AMG (MY2019+ | W463 | M177 | 4.0L V8 BiTurbo)\u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e731 \u003c\/b\u003eHP\u003c\/span\u003e @ 6,100rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e786\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              614 whp @ 6,100rpm; 660 wtq @ 3,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on SUV's vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 18pt;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607212445952,"sku":"54.463A.G63BT.FL","price":3840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-c63-s-amg-sedan-w205-601-hp-657-lb-ft-4-0l-biturbo-v8-m177","title":"RENNtech | ECU+ Upgrade | C63 \/S AMG | Sedan | W205 | 601 HP \/ 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2015-2021","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eECU+ Upgrade | 601HP \/ 657TQ | Gains: +56HP \/ +107TQ\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU+ Tuning \u003cspan\u003ethe W205 - C 63 AMG gains up to \u003c\/span\u003e\u003cstrong\u003e+56 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+107 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU+ Upgrade for the W205 - C 63 AMG is up to \u003cstrong\u003e601 HP \u003c\/strong\u003eand \u003cstrong\u003e657 LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor detailed information about our ECU+ Upgrades feel free to email us at info@renntechmercedes.com or call our sales-team under 561.845.7888.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. \u003c\/em\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable style=\"background-color: #ebebeb; border-radius: 10px; float: left; width: 800px; border: 1px solid #ff0000;\" border=\"0\" cellspacing=\"15\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eC63 S AMG Coupe (C205 | MY2016+ | RWD | M177 | 4.0L V8 BiTurbo) Stock Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:      \u003cstrong\u003e503 \u003c\/strong\u003eHP @ 5,500-6,250rpm; \u003cstrong\u003e516 \u003c\/strong\u003eLB-FT @ 1,750-4,500rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e545 \u003c\/strong\u003eHP @ 6,150rpm; \u003cstrong\u003e550 \u003c\/strong\u003eLB-FT @3,700-4,700rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e \u003cstrong style=\"font-size: 12.16px;\"\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong style=\"font-size: 12.16px;\"\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eC63 (S) AMG Coupe (C205 | MY2016+ | RWD | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003eModified Performance (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e601 \u003c\/strong\u003eHP @ 5,650rpm; \u003cstrong\u003e657 \u003c\/strong\u003eLB-FT @ 4,250-4,800rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n                                                    517whp @ 5,650rpm; 565wtq @ 4,250-4,800rpm\u003cbr\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607351283968,"sku":"54.205W.C63BT","price":3280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-c63-s-amg-coupe-c205-601-hp-657-lb-ft-4-0l-biturbo-v8-m177","title":"RENNtech | ECU+ Upgrade | C63 \/S AMG | Coupe | C205 | 601 HP \/ 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2017-2023","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | 601HP \/ 657TQ | Gains: +56HP \/ +107TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\u003e\n\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU+ Tuning \u003cspan\u003ethe C205 - C 63 AMG Coupe gains up to \u003c\/span\u003e\u003cstrong\u003e+56 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+107 LB-FT\u003c\/strong\u003e\u003cspan\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU+ Upgrade for the C205 - C 63 AMG Coupe is up to \u003cstrong\u003e601 HP \u003c\/strong\u003eand \u003cstrong\u003e657 LB-FT\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor detailed information about our ECU+ Upgrades feel free to email us at info@renntechmercedes.com or call our sales-team under 561.845.7888.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. \u003c\/em\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eC63 S AMG Coupe (C205 | MY2016+ | RWD | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:      \u003cstrong\u003e503 \u003c\/strong\u003eHP @ 5,500-6,250rpm; \u003cstrong\u003e516 \u003c\/strong\u003eLB-FT @ 1,750-4,500rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e545 \u003c\/strong\u003eHP @ 6,150rpm; \u003cstrong\u003e550 \u003c\/strong\u003eLB-FT @3,700-4,700rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e \u003cstrong style=\"font-size: 12.16px;\"\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong style=\"font-size: 12.16px;\"\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eC63 (S) AMG Coupe (C205 | MY2016+ | RWD | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e601 \u003c\/strong\u003eHP @ 5,650rpm; \u003cstrong\u003e657 \u003c\/strong\u003eLB-FT @ 4,250-4,800rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n                                                    517whp @ 5,650rpm; 565wtq @ 4,250-4,800rpm\u003cbr\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607419539712,"sku":"54.205C.C63BT","price":3280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-x253-glc63-amg-s-4matic-suv-601-hp-644lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech ECU+ Upgrade | X253 | GLC63 AMG (S) 4MATIC+ SUV | 601 HP\/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | GLC 63 AMG S and non-S | Up to 601 HP \/ 644 LB-FT | Gains: +75 HP \u0026amp; +113 LB-FT\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+75 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+113\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG 4MATIC+ is \u003cstrong\u003e601 HP\u003c\/strong\u003e and \u003cstrong\u003e644 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech stock power numbers are measured with the GLC 63 AMG. Tune is compatible with GLC 63 AMG and GLC 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,750rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.74 sec\u003c\/td\u003e\n\u003ctd\u003e9.46 sec\u003c\/td\u003e\n\u003ctd\u003e13.26 sec\u003c\/td\u003e\n\u003ctd\u003e12.21 sec\u003c\/td\u003e\n\u003ctd\u003e112.82 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.45 sec\u003c\/td\u003e\n\u003ctd\u003e8.92 sec\u003c\/td\u003e\n\u003ctd\u003e12.36 sec\u003c\/td\u003e\n\u003ctd\u003e11.86 sec\u003c\/td\u003e\n\u003ctd\u003e115.59 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.25 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e12.20 sec\u003c\/td\u003e\n\u003ctd\u003e11.67 sec\u003c\/td\u003e\n\u003ctd\u003e116.73 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ (MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e469\u003c\/strong\u003e HP @ 5,500-6,250rpm; \u003cstrong\u003e479\u003c\/strong\u003e LB-FT @ 1,750-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e526\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e532\u003c\/b\u003e LB-FT @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ \u003cstrong\u003e(MY2016+ | X253 | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e601\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,500rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e645\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              505 whp @ 5,600rpm; 542 wtq @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607606743296,"sku":"54.253X.GLC63BT","price":3280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-c253-glc63-s-amg-4matic-coupe-601-hp-644lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP\/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | GLC 63 AMG S and non-S | Up to 601 HP \/ 644 LB-FT | Gains: +75 HP \u0026amp; +113 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\" lang=\"EN-US\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning \u003cspan\u003ethe C253 - GLC63 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+75 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+113\u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG 4MATIC+ is \u003cstrong\u003e601 HP\u003c\/strong\u003e and \u003cstrong\u003e644 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech stock power numbers are measured with the GLC 63 AMG. Tune is compatible with GLC 63 AMG and GLC 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNumbers \u003cem\u003epublished by MBUSA are an average over a 750rpm range for HP and a 2,750rpm range for TQ. Power gains are calculated based on the peak stock performance measured by RENNtech.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.74 sec\u003c\/td\u003e\n\u003ctd\u003e9.46 sec\u003c\/td\u003e\n\u003ctd\u003e13.26 sec\u003c\/td\u003e\n\u003ctd\u003e12.21 sec\u003c\/td\u003e\n\u003ctd\u003e112.82 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_alt\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.45 sec\u003c\/td\u003e\n\u003ctd\u003e8.92 sec\u003c\/td\u003e\n\u003ctd\u003e12.36 sec\u003c\/td\u003e\n\u003ctd\u003e11.86 sec\u003c\/td\u003e\n\u003ctd\u003e115.59 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eX253 - GLC63 AMG SUV\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e3.25 sec\u003c\/td\u003e\n\u003ctd\u003e8.27 sec\u003c\/td\u003e\n\u003ctd\u003e12.20 sec\u003c\/td\u003e\n\u003ctd\u003e11.67 sec\u003c\/td\u003e\n\u003ctd\u003e116.73 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ (MY2016+ | W253 | M177 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eMercedes-Benz \u003cem\u003e(avg.)\u003c\/em\u003e\u003c\/strong\u003e:                        \u003cstrong\u003e469\u003c\/strong\u003e HP @ 5,500-6,250rpm; \u003cstrong\u003e479\u003c\/strong\u003e LB-FT @ 1,750-4,500rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyno measured by \u003cstrong\u003eRENNtech \u003cem\u003e(peak)\u003c\/em\u003e\u003c\/strong\u003e:               \u003cstrong\u003e526\u003c\/strong\u003e HP @ 6,250rpm; \u003cb\u003e532\u003c\/b\u003e LB-FT @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M177 engine performance when measured on the dyno obtains higher power numbers than rated from factory. Performance numbers published by MBUSA are a calculated average within a specific rpm range, which obviously result  in lower power numbers than at the peak. HP and TQ gains calculated by RENNtech are always based on peak stock results measured by RENNtech and upgraded peak results measured by RENNtech.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor transparency and comparability, RENNtech published the average stock power during the rpm range set by MBUSA and the peak stock performance\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGLC63 AMG 4MATIC+ \u003cstrong\u003e(MY2016+ | W253 | M177 | 4.0L V8 BiTurbo\u003cstrong\u003e | S and non-S\u003c\/strong\u003e) \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e601\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,500rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e645\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              505 whp @ 5,600rpm; 542 wtq @ 4,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"dyno_graph\"\u003e\u003ca href=\"images\/stories\/virtuemart\/product\/RENNtech_253-GLC63AMG_ECU+_web.jpg\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" title=\"YouTube video player\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607616966912,"sku":"54.253C.GLC63BT","price":3280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"},{"product_id":"renntech-ecu-upgrade-w222-mercedes-maybach-s560-584hp-642lb-ft-4-0l-v8-biturbo-m176-my2018","title":"RENNtech ECU+ Upgrade | W222 | Mercedes-Maybach S560 | 584HP\/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2020","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | Up to 584 HP \/ 642 LB-FT | Gains: up to +100 HP \u0026amp; +102 LB-FT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan lang=\"EN-US\" style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eRENNtech tuning products are certified to meet CARB standards in all 50 States.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003eRENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning the W222 - Mercedes-Maybach S560 gains up to \u003cstrong\u003e+100 HP\u003c\/strong\u003e and \u003cstrong\u003e+102 \u003c\/strong\u003e\u003cstrong\u003eLB-FT\u003c\/strong\u003e, based on power numbers measured by RENNtech. Please note that the Mercedes M176 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the S560 is \u003cstrong\u003e584 HP\u003c\/strong\u003e and \u003cstrong\u003e642 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 80%;\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e50-State Street Legal RENNtech HHT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe HHT for Mercedes-Benz and Mercedes-AMG, 4.0 L BiTurbo V8, M176 | 177 | 178, engines is EPA Emissions compliant and street legal in all 50 States.\u003c\/p\u003e\n\u003cp\u003eThis product conforms to EPA Emission Standards and does not reduce effectiveness of your vehicles original pollution control systems.\u003c\/p\u003e\n\u003cp\u003eA CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration, an examination of the On-Board Diagnostic II (OBD II) system, and an engineering evaluation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20%;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/50-State-Logo-Tag.jpg?v=1745268808\" alt=\"\"\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eWe have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vbox\"\u003e\n\u003cspan style=\"text-decoration: underline; font-size: 12pt;\"\u003e\u003cstrong\u003ePerformance Tests:\u003c\/strong\u003e\u003c\/span\u003e\n\u003ctable class=\"table_vbox\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"200\"\u003e \u003ccol width=\"250\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003ccol width=\"100\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"vbox_tr_title\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUpgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-60mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0-100mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60-130mph\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 Mile ET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTrap Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_stock\"\u003e\n\u003ctd\u003eW222 - S560 Sedan\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003cspan style=\"font-size: 8pt;\"\u003e w\/o Launch Control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4.34 sec\u003c\/td\u003e\n\u003ctd\u003e10.37 sec\u003c\/td\u003e\n\u003ctd\u003e13.75 sec\u003c\/td\u003e\n\u003ctd\u003e12.83 sec\u003c\/td\u003e\n\u003ctd\u003e111 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"vbox_tr_main\"\u003e\n\u003ctd\u003eW222 - S560 Sedan\u003c\/td\u003e\n\u003ctd\u003eRt ECU+ Upgrade\u003cspan style=\"font-size: 8pt;\"\u003e w\/o Launch Control\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4.19 sec\u003c\/td\u003e\n\u003ctd\u003e9.00 sec\u003c\/td\u003e\n\u003ctd\u003e10.72 sec\u003c\/td\u003e\n\u003ctd\u003e12.38 sec\u003c\/td\u003e\n\u003ctd\u003e118 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cem\u003e*If not otherwise noted, performed on non-prepped asphalt and with OEM, Street-Legal and\/or Non-Performance tires. Data measured with Racelogic Performance Box.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"power_numbers\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMercedes-Maybach S560 Sedan (MY2018+ | W222 | M176 | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eStock Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:                        \u003cb\u003e463 \u003c\/b\u003eHP @ 5,250-5,500rpm; \u003cstrong\u003e516\u003c\/strong\u003e LB-FT @ 2,000-4,000rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e484\u003c\/strong\u003e HP @ 5,600rpm; \u003cstrong\u003e538\u003c\/strong\u003e LB-FT @ 4,750rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M176 engine performance when measured on the dyno obtains higher power numbers than rated from factory. \u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cstrong\u003eMercedes-Maybach S560 Sedan (MY2018+ | W222 | M176\u003c\/strong\u003e | 4.0L V8 BiTurbo) \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @crank)\u003c\/em\u003e\u003c\/strong\u003e:              \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e584\u003c\/strong\u003e HP\u003c\/span\u003e @ 4,800rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e642\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 4,550rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              502 whp @ 4,800rpm; 552 wtq @ 4,550rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/dGTikm51Bd4?si=GRIMfE-PW-44O9Fh\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46607759081728,"sku":"54.222.MM.S560BT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1.jpg?v=1745268788"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/collections\/Module-For-GIFF-1.jpg?v=1768943191","url":"https:\/\/store.renntechmercedes.com\/es\/collections\/hht.oembed?page=6","provider":"RENNtech Inc","version":"1.0","type":"link"}