{"title":"Halloween Sale","description":null,"products":[{"product_id":"renntech-ecu-upgrade-c217-s560-584hp-642lb-ft-4-0l-v8-biturbo-m176-my2018","title":"RENNtech ECU+ Upgrade | C217 | S560 | 584HP\/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2021","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.\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 C217 - S560 gains up to \u003c\/span\u003e\u003cstrong\u003e+100 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\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\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 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 \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMercedes-Benz S560 Sedan (MY2018+ | C217 | 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 @ 5,250-6,000rpm; \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\u003cspan\u003e\u003cem\u003eNote: Mercedes M176 engine performance when measured on the dyno 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\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\u003eMercedes-Benz S560 Sedan (MY2018+ | C217 | 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\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              502 whp @ 4,800rpm; 552 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 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\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":46607784804608,"sku":"54.217.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"},{"product_id":"renntech-ecu-upgrade-g550-w463-523-hp-583-lb-ft-4-0l-biturbo-v8-m176","title":"RENNtech | ECU+ Upgrade | G550 | W463 | 523 HP \/  583 LB-FT | 4.0L BiTurbo V8 | M176 | up to MY2018","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | 523HP \/ 583TQ | Gains: +102HP \/ +128TQ\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\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 W463 - G550 BiTurbo (up to MY2018) gains up to \u003c\/span\u003e\u003cstrong\u003e+102 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+128 LB-FT\u003c\/strong\u003e\u003cspan\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 W463 - G 550 BiTurbo is up to \u003cstrong\u003e523 HP \u003c\/strong\u003eand \u003cstrong\u003e583 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\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 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\n\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. \u003c\/em\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models.\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\u003eG550 BiTurbo (W463) | MY2015+ | 4x4 | M176 | (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\u003e416 \u003c\/strong\u003eHP @ 5,250-5,500rpm; \u003cstrong\u003e450 \u003c\/strong\u003eLB-FT @ 2,250-4,750rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e421 \u003c\/strong\u003eHP @ 5,200rpm; \u003cstrong\u003e455 \u003c\/strong\u003eLB-FT @3,250-4,650rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M176 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\u003cstrong\u003e\u003cstrong\u003eG 550 (W463 | MY2017+ | 4x4 | M176 | (4.0L V8 BiTurbo) \u003c\/strong\u003eModified Performance (at crank):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e523 \u003c\/strong\u003eHP @ 5,150rpm; \u003cstrong\u003e583 \u003c\/strong\u003eLB-FT @ 2,800-3,200rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n                                                    418whp @ 5,150rpm; 466wtq @ 2,800-3,200rpm\u003cbr\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models.\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":46609566499072,"sku":"54.463.G550BT","price":2840.0,"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-g550-w463-523-hp-583-lb-ft-4-0l-biturbo-v8-m176-1","title":"RENNtech | ECU+ Upgrade | G550 | W463 | 523 HP \/  583 LB-FT | 4.0L BiTurbo V8 | M176 | MY2019-2024","description":"\u003cp\u003e\u003cstrong\u003eECU+ Upgrade | 523HP \/ 583TQ | Gains: +102 HP \/ +128 TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-body\"\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\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 W463 - G550 (MY2019+) gains up to \u003c\/span\u003e\u003cstrong\u003e+102 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+128 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 W463 - G 550 is up to \u003cstrong\u003e528 HP \u003c\/strong\u003eand \u003cstrong\u003e558 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 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\u003cspan\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\n\u003cem\u003ePower gains are calculated based on stock numbers measured by RENNtech. \u003c\/em\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models.\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\u003c\/div\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\u003eG 550 (W463) | MY2017+ | 4x4 | M176 | 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\u003e416 \u003c\/strong\u003eHP @ 5,250-5,500rpm; \u003cstrong\u003e450 \u003c\/strong\u003eLB-FT @ 2,250-4,750rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:               \u003cstrong\u003e421 \u003c\/strong\u003eHP @ 5,200rpm; \u003cstrong\u003e455 \u003c\/strong\u003eLB-FT @3,250-4,650rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M176 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\u003eG 550 (W463 | MY2017+ | 4x4 | M176 | 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\u003e523 \u003c\/strong\u003eHP @ 5,150rpm; \u003cstrong\u003e583 \u003c\/strong\u003eLB-FT @ 2,800-3,200rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n                                                    418whp @ 5,150rpm; 466wtq @ 2,800-3,200rpm\u003cbr\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eCrank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models.\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\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":46631116013824,"sku":"54.463A.G550BT.FL","price":2840.0,"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-tcu-tune-9g-transmission-upgrade","title":"RENNtech | TCU Tune | 9G Transmission Upgrade","description":"\u003cp\u003e\u003cstrong\u003eTransmission Control Unit (TCU) Software Upgrade | AMG 9G Transmission Upgrade\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTCU -upgrade is now available as an individual upgrade for the following vehicles equipped with the \u003cb\u003eMercedes-Benz 9G-Tronic transmission\u003c\/b\u003e. Our TCU upgrade delivers faster acceleration by matching the power output of our ECU and Turbo upgrades.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eIncreased Clutch Torque Limits\u003c\/li\u003e\n\u003cli\u003eIncreased Clutch Pressure\u003c\/li\u003e\n\u003cli\u003eFaster shift times\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003cbr\u003e\u003c\/strong\u003eW463 | G-Wagon\u003c\/p\u003e\n\u003cp\u003eW205 | C-Class\u003c\/p\u003e\n\u003cp\u003eW213 | E-Class\u003c\/p\u003e\n\u003cp\u003eX290 | AMG GT63 4-Door Coupe\u003c\/p\u003e\n\u003cp\u003eW222 | S-Class\u003c\/p\u003e\n\u003cp\u003eX253 | GLC-Class\u003c\/p\u003e\n\u003cp\u003eW166 | GLE-Class\u003c\/p\u003e\n\u003cp\u003eW167 | GLE-Class\u003c\/p\u003e\n\u003cp\u003eX166 | GLS-Class\u003c\/p\u003e\n\u003cp\u003eX167 | GLS Class\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The TCU upgrade included with R-Line and Turbo upgrades and is recommended vehicles with ECU tune.  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46693280481536,"sku":"27.725.9.TS","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_0025.jpg?v=1747996929"},{"product_id":"mercedes-722-9-seven-speed-transmission-software-upgrade","title":"Mercedes | 722.9 Seven Speed | Transmission Software Upgrade","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Transmission Software Upgrade for 722.9 Mercedes Seven Speed Transmissions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. Especially with the newest generation of the C218 - CLS 63 AMG and W212 E 63 AMG, the transmission has been the weak point while increasing power and acceleration\u003c\/p\u003e\n\u003cp\u003eOur upgrade leads to improved shift response, shift timing, increased torque handling capabilities and greater drivability under extreme conditions without sacrificing around town comfort. The transmission upgrade also drastically improves 0-60 times.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable for:\u003c\/p\u003e\n\u003cp\u003eW463 - G 550 (MY2014-15)\u003cbr\u003eW205 - C 400 (MY2015)\u003cbr\u003eW205 - C 450 AMG (MY2016)\u003cbr\u003eW205 - C 43 AMG (MY2016)\u003cbr\u003eC218 - CLS 400 (MY2015-16)\u003cbr\u003eC218 - CLS 400 4MATIC (MY2015-16)\u003cbr\u003eW212 - E 400 Sedan (MY2015-16)\u003cbr\u003eS212 - E 400 Wagon (MY2015-16)\u003cbr\u003eA207 - E 400 Cabriolet (MY2015-17)\u003cbr\u003eC207 - E 400 Coupe (MY2015-17)\u003cbr\u003eC207 - E 400 Coupe 4MATIC (MY2015-17)\u003cbr\u003eX166 - GL 450 (MY2015-16)\u003cbr\u003eW166 - GLE 400 (MY2016)\u003cbr\u003eW166 - ML 400 (MY2015)\u003cbr\u003eR231 - SL 400 (MY2015-16)\u003c\/p\u003e\n\u003cp\u003eC216 - CL 550 (MY2014)\u003cbr\u003eC218 - CLS 550 (MY2015)\u003cbr\u003eS212 - E 550 Wagon (MY2014-16)\u003cbr\u003eW212 - E 550 Sedan (MY2014-16)\u003cbr\u003eC207 - E 550 Coupe (MY2014-16)\u003cbr\u003eA207 - E 550 Cabriolet (MY2014-17)\u003cbr\u003eX166 - GL 450 (MY2014)\u003cbr\u003eX166 - GL 550 4MATIC (MY2014-16)\u003cbr\u003eW166 - ML 550 (MY2014-15)\u003cbr\u003eW222 - S 550 (MY2014-16)\u003cbr\u003eC217 - S 550 Coupe (MY2015-16)\u003cbr\u003eR231 - SL 550 (MY2014-16)\u003c\/p\u003e\n\u003cp\u003eW463 - G 65 AMG (MY2016-18)\u003cbr\u003eW222 - S 600 (MY2015)\u003cbr\u003eW222 - S 600 Maybach (MY2016-17)\u003cbr\u003eW222 - S 65 AMG (MY2015-20)\u003cbr\u003eA217 - S 65 Cabriolet (MY2017-18)\u003cbr\u003eC217 - S 65 AMG Coupe (MY2015-19)\u003cbr\u003eW222 - S 650 Maybach (MY2018-20)\u003cbr\u003eR231 - SL 65 AMG (MY2014-18)\u003c\/p\u003e\n\u003cp\u003eR172 - SLK 55 AMG (MY2014-16)\u003c\/p\u003e\n\u003cp\u003eW204 - C 63 AMG Sedan (MY2014)\u003cbr\u003eC204 - C 63 AMG Coupe (MY2014-15)\u003c\/p\u003e\n\u003cp\u003eC216 - CL 63 AMG (MY2014)\u003cbr\u003eC218 - CLS 63 AMG (MY2014-18)\u003cbr\u003eW212 - E 63 AMG Sedan (MY2014-16)\u003cbr\u003eS212 - E 63 AMG Wagon (MY2014-16)\u003cbr\u003eW463 - G 63 AMG (MY2014-18)\u003cbr\u003eX166 - GL 63 AMG (MY2014-16)\u003cbr\u003eW166 - GLE 63 AMG (MY2016-19)\u003cbr\u003eX166 - GLS 63 AMG (MY2017-19)\u003cbr\u003eW166 - ML 63 AMG (MY2014-15)\u003cbr\u003eW222 - S 63 AMG (MY2014-17)\u003cbr\u003eA217 - S 63 AMG Cabriolet (MY2017)\u003cbr\u003eC217 - S 63 AMG Coupe (MY2015-17)\u003cbr\u003eR231 - SL 63 AMG (MY2014-19)\u003c\/p\u003e\n\u003cp\u003eW463 - G 550 (MY2016-18)\u003cbr\u003eW463 - G 550 4x4² (MY2017-18)\u003c\/p\u003e\n\u003cp\u003eW205 - C 63 AMG Sedan (MY2015-18)\u003cbr\u003eA205 - C 63 AMG Cabriolet (MY2017-18)\u003cbr\u003eC205 - C 63 AMG Coupe (MY2017-18)\u003c\/p\u003e\n\u003cp\u003eVS30 - Sprinter Van 2.0L Inline-4 Diesel (OM654) (MY2019-22)\u003cbr\u003eVS30 - Sprinter Van 3.0L V6 Diesel (MY2019-22)\u003cbr\u003eVS30 - Sprinter Van 2.1L Inline-4 Diesel (MY2019-22)\u003c\/p\u003e\n\u003cp\u003eVS30 - Sprinter 4x4 2.0L Inline-4 Diesel (OM654) (MY2019-22)\u003cbr\u003eVS30 - Sprinter 4x4 3.0L V6 Diesel (MY2019-22)\u003cbr\u003eVS30 - Sprinter 4x4 2.1L Inline-4 Diesel (MY2019-22)\u003c\/p\u003e\n\u003cp\u003eW906 - Sprinter 906 2.1L Inline-4 Diesel (MY2014-16)\u003c\/p\u003e\n\u003cp\u003eW907 - Sprinter 907 2.0L Inline-4 Diesel (OM654) (MY2021-22)\u003cbr\u003eW907 - Sprinter 907 3.0L V6 Diesel (MY2021-22)\u003cbr\u003eW907 - Sprinter 907 2.1L Inline-4 Diesel (MY2021-22)\u003c\/p\u003e\n\u003cp\u003e\u003cbr\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 style=\"font-size: 12.16px;\"\u003eFor the RENNtech Transmission Upgrade on the C217 and W222 S-Class, the vehicle has to be present at the RENNtech HQ in Stuart, FL.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46705035313408,"sku":"27.722.9.TS","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_003_3088bfa5-f61a-4918-a8a3-9c33e993f240.jpg?v=1785853755"},{"product_id":"renntech-ecu-upgrade-w205-c-43-amg-sedan-400-hp-440-lb-ft-m276-3-0l-v6-biturbo-my2016-1","title":"RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP \/ 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2015-2021","description":"\u003cp\u003e\u003cstrong\u003eThe RENNtech ECU Upgrade brings the C 43 AMG Sedan up to 400 HP and 440 LB-FT | Gains: +25 HP and +42 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\u003eWith the RENNtech ECU Upgrade \u003cspan\u003ethe W205 - C 43 AMG Sedan gains up to \u003c\/span\u003e\u003cstrong\u003e+25 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+42 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 Upgrade for the W205 - C 43 AMG Sedan is \u003cstrong\u003e400 HP\u003c\/strong\u003e and \u003cstrong\u003e440\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. 91+ Octane gasoline is mandatory with this Performance Package.\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\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\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\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\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\u003e\n\u003cspan\u003eRated by \u003c\/span\u003e\u003cstrong\u003eRENNtech\u003c\/strong\u003e\u003cspan\u003e:                \u003c\/span\u003e\u003cstrong\u003e400\u003c\/strong\u003e HP @ 5,450 RPM; \u003cstrong\u003e440\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 \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":46968923554048,"sku":"54.205W.C63BI","price":1980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_1_02cfcb00-a04b-415c-bd5d-c3df17c37118.webp?v=1768946561"},{"product_id":"renntech-intermediate-ecu-upgrade-c205-c63-amg-s-4matic-coupe-574-hp-612lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech Intermediate ECU Upgrade | C205 | C63 AMG (S) 4MATIC+ Coupe | 574 HP\/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2017-2023","description":"\u003cp\u003e\u003cstrong\u003eIntermediate ECU Upgrade | C 63 AMG S and non-S | Up to 574 HP \/ 612 LB-FT | Gains: +48 HP \u0026amp; +80 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\u003eOur intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. \u003c\/p\u003e\n\u003cp\u003eThis is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003cp\u003eWith the intermediate RENNtech ECU Tuning \u003cspan\u003ethe C205 - C63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+48 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+80\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 intermediate RENNtech ECU Upgrade for the C63 and C 63 S AMG is \u003cstrong\u003e574 HP\u003c\/strong\u003e and \u003cstrong\u003e612 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\u003eRENNtech stock power numbers are measured with the C 63 AMG. Tune is compatible with C 63 AMG and C 63 S AMG. Maximum power numbers are for both, S and non-S models.\u003c\/em\u003e\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\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\u003eC63 S AMG Coupe (C205 | MY2016-2023 | 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 \u003c\/p\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\u003cstrong\u003e\u003cstrong\u003eC63 (S) AMG Coupe (C205 | MY2016-2023 | RWD | M177 | 4.0L V8 BiTurbo) \u003c\/strong\u003e\u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e (at crank):\u003c\/strong\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\u003e574\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,750rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e612\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              482 whp @ 5,750rpm; 514 wtq @ 3,400rpm\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 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\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":46968932827392,"sku":"54.205C.C63BI","price":2840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7.jpg?v=1756724279"},{"product_id":"renntech-intermediate-ecu-upgrade-x253-glc63-amg-s-4matic-suv-574-hp-612lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech Intermediate ECU Upgrade | X253 | GLC63 AMG (S) 4MATIC+ SUV | 574 HP\/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2022","description":"\u003cp\u003e\u003cstrong\u003eIntermediate ECU Upgrade | GLC 63 AMG S and non-S | Up to 574 HP \/ 612 LB-FT | Gains: +48 HP \u0026amp; +80 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\u003eOur intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. \u003c\/p\u003e\n\u003cp\u003eThis is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003cp\u003eWith the intermediate RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+48 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+80\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 intermediate RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG+ is \u003cstrong\u003e574 HP\u003c\/strong\u003e and \u003cstrong\u003e612 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=\"50 State Logo Tag\" width=\"100\" height=\"165\" style=\"display: block; margin: auto;\"\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_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\u003e3.45 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_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\u003e3.25 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\u003e574\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,750rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e612\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              482 whp @ 5,750rpm; 514 wtq @ 3,400rpm\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\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":46987283824896,"sku":"54.253X.GLC63BI","price":2840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_bdeb97ad-3d50-41e1-9678-38286cf0df3c.jpg?v=1757089660"},{"product_id":"renntech-intermediate-ecu-upgrade-c253-glc63-amg-s-4matic-coupe-574-hp-612lb-ft-4-0l-v8-biturbo-m177-my2016","title":"RENNtech Intermediate ECU Upgrade | C253 | GLC63 AMG (S) 4MATIC+ Coupe | 574 HP\/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2022","description":"\u003cp\u003e\u003cstrong\u003eIntermediate ECU Upgrade | GLC 63 AMG S and non-S | Up to 574 HP \/ 612 LB-FT | Gains: +48 HP \u0026amp; +80 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\u003eOur intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. \u003c\/p\u003e\n\u003cp\u003eThis is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003cp\u003eWith the intermediate RENNtech ECU Tuning \u003cspan\u003ethe X253 - GLC63 AMG 4MATIC+ gains up to \u003c\/span\u003e\u003cstrong\u003e+48 HP\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e+80\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 intermediate RENNtech ECU Upgrade for the GLC63 and GLC 63 S AMG is \u003cstrong\u003e574 HP\u003c\/strong\u003e and \u003cstrong\u003e612 LB-FT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"carb_epa\"\u003e\n\u003ctable style=\"width: 99.964%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.8935%;\"\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: 19.9734%;\"\u003e \u003cimg alt=\"50 State Logo Tag\" width=\"100\" height=\"165\" style=\"display: block; margin: auto;\"\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_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\u003e3.45 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_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\u003e3.25 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\u003e574\u003c\/strong\u003e HP\u003c\/span\u003e @ 5,750rpm; \u003cspan style=\"color: #ff0000;\"\u003e \u003cstrong\u003e612\u003c\/strong\u003e LB-FT\u003c\/span\u003e @ 3,400rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              482 whp @ 5,750rpm; 514 wtq @ 3,400rpm\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\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":46987404083456,"sku":"54.253C.GLC63BI","price":2840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002--50state7_a8e8dc15-4e38-48bd-bcfa-afc4407765cc.jpg?v=1757090353"},{"product_id":"renntech-ecu-upgrade-gle-580-eq-boost-592-hp-704-lb-ft-gains-68-hp-120-lb-ft-my2020","title":"RENNtech ECU+ Upgrade | GLE 580 EQ Boost | 592 HP \/ 704 LB-FT | Gains: +68 HP \u0026 +120 LB-FT | MY2020-2023","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU+ Upgrade | GLE 580 EQ Boost | W167 | 4.0L V8 BiTurbo EQ Boost | M176 | MY2020-2023\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech HHT (Hand Held Tuner) is the number one ECU programmer for Mercedes-Benz and AMG. Do it yourself tuning, with no ECU removal or mechanical modifications necessary!\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 re-flashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning the W167 - GLE 580 EQ Boost gains up to \u003cstrong\u003e+68 HP\u003c\/strong\u003e and \u003cstrong\u003e+120 LB-FT \u003c\/strong\u003e(13% increase), 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 GLE 580 EQ Boost+ is \u003cstrong\u003e592 HP\u003c\/strong\u003e and \u003cstrong\u003e704 LB-FT\u003c\/strong\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 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 2,000rpm 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\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\u003eGLE 580 EQ Boost (MY2020+) | W167 | M176 | 4.0L V8 BiTurbo EQ Boost) \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\u003e483 \u003c\/b\u003eHP @ 5,500rpm-6,500rpm; \u003cb\u003e516 \u003c\/b\u003eLB-FT @ 2,000 - 4000 rpm\u003c\/li\u003e\n\u003cli\u003eDyno measured by \u003cstrong\u003eRENNtech:\u003c\/strong\u003e               524 HP @ 5,670rpm; 584\u003cb\u003e \u003c\/b\u003eLB-FT @ 3,000rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003eNote: Mercedes M176 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\u003e\u003cstrong\u003eGLE 580 EQ Boost (MY2020+) | W167 | M176 | 4.0L V8 BiTurbo EQ Boost)\u003c\/strong\u003e \u003c\/strong\u003e \u003cspan style=\"color: #ff0000;\"\u003eModified Performance\u003c\/span\u003e:\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\u003e592 \u003c\/b\u003eHP\u003c\/span\u003e @ 5,110 rpm; \u003cspan style=\"color: #ff0000;\"\u003e\u003cb\u003e704 \u003c\/b\u003eLB-FT\u003c\/span\u003e @ 2,870 rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated by \u003cstrong\u003eRENNtech \u003cem\u003e(peak @wheel)\u003c\/em\u003e\u003c\/strong\u003e:              491 whp @ 5,1100 rpm; 585 wtq @ 2,870 rpm\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\u003cdiv class=\"dyno_graph\"\u003e\u003ca href=\"images\/stories\/virtuemart\/product\/RENNtech_167-GLE63_web.jpg\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cimg\u003e\u003c\/a\u003e\u003c\/div\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":47003795161344,"sku":"54.167V.GLE580BT","price":2780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/renntech_hht_002_b212ddb4-6c20-42a5-8cab-f27cec5c9e20.jpg?v=1757089665"}],"url":"https:\/\/store.renntechmercedes.com\/collections\/halloween-sale.oembed","provider":"RENNtech Inc","version":"1.0","type":"link"}