{"title":"C 55 AMG (Mercedes-Benz |C Class (203) (2001-2007))","description":"","products":[{"product_id":"renntech-ecu-hand-held-tuner-hht-for-c-55-w203-380-hp-395-lb-ft","title":"RENNtech ECU Hand Held Tuner (HHT) for C 55 | W203 | 380 HP \/ 395 LB-FT | MY2005-2006","description":"\u003cp\u003e\u003cstrong\u003eRENNtech ECU HHT (HandHeldTuner) for the 203 - C 55 AMG. Up to 380HP and 395 LB-FT.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eGains: +18HP \u0026amp; +17LB-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\u003eC 55 AMG (W203) Stock Performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 HP @ 5750 RPM; 378 LB-FT @ 4000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e380 HP @ 5500 RPM; 395 LB-FT @ 3000 RPM\u003c\/li\u003e\n\u003c\/ul\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":46642635604224,"sku":"54.203.C55","price":1195.0,"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":"r1-performance-package-w203-c-55-amg-385-hp-400-lb-ft-5-5l-na-v8-m113","title":"R1 Performance Package | W203 | C 55 AMG | 385 HP \/ 400 LB-FT | 5.5L NA V8 | M113","description":"\u003cp\u003e\u003cstrong\u003eR1 Performance Package for 203 - C 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 385HP and 400LB-FT.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling.\u003c\/p\u003e\n\u003cp\u003eThis combination that provides noticeable increases horsepower, torque and throttle response across the vehicles entire powerband while still maintaining daily driver reliability.  \u003c\/p\u003e\n\u003cp\u003eR1 Performance Package includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRENNtech ECU Upgrade\u003c\/li\u003e\n\u003cli\u003eRENNtech Full Carbon Fiber Airbox\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eC 55 AMG (W203) Stock Performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e362 HP @ 5750 RPM; 378 LB-FT @ 4000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eModified Performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e385 HP @ 5500 RPM; 400 LB-FT @ 3000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46897658659072,"sku":"PKG.203.C55.P1","price":2680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/m113_r1_performance_package_6678642f-2b22-4bc6-b1f4-322d3ef42f7f.jpg?v=1754886798"},{"product_id":"mercedes-722-6-five-speed-transmission-upgrade-for-v8","title":"Mercedes 722.6 Five Speed Transmission Upgrade for V8","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Transmission Upgrade for 722.6 Mercedes Five Speed Transmissions for V8.\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. This can not be realized with software and only truly be accomplished by an internal mechanical upgrade to the transmission hardware. RENNtech is the foremost authority on transmission upgrades and has done countless rebuild and upgrades for the most demanding dealers and clients for over 21 years.\u003c\/p\u003e\n\u003cp\u003eOur transmission upgrade consists of a mechanical upgrade to the transmission clutch packs. This allows us the ability to maximize the amount of friction materials contained within the transmission and in turn, the amount of power which can be transmitted through each forward gear. During final assembly the transmission also receives all new gaskets, seals, o-rings, electrical connectors as well as a new transmission pan filter.\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.\u003c\/p\u003e\n\u003cp\u003e722.6 Five speed Mercedes Transmissions for V8\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\u003eRENNtech Transmission Upgrades can only be performed at the RENNtech HQ in Stuart, FL. Removal, Upgrade and Installation have to be performed In-House.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46902426763520,"sku":"27.722.6.V8","price":3690.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/RENNtech_722_6_five_speed_upgrade_0ab5199a-35f4-4515-94c3-fffe3f61c7c7.jpg?v=1754991297"},{"product_id":"renntech-carbon-fiber-flat-top-airbox-for-m113-112-engines-1","title":"RENNtech Carbon Fiber Flat Top Airbox for M113\/112 Engines","description":"\u003cp\u003e\u003cstrong\u003eRENNtech Carbon Fiber Flat Top Air Box for M113\/112 Mercedes Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRENNtech Carbon fiber air box for the Mercedes V8 engine (M113\/112). Our full carbon fiber airbox is more than just an impressive under the hood showpiece.\u003c\/p\u003e\n\u003cp\u003eBy allowing a greater volume of intake charge air; our carbon airbox upgrade allows for greater horsepower and torque across the entire RPM range. The result is an additional 10 HP and 10 Lb\/ft with increased throttle response and improved drivability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNote: This upgrade requires a core exchange for the OEM airbox.\u003c\/li\u003e\n\u003cli\u003eCLK 500 (C209) Customers- please call us with your VIN to confirm airbox application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e209 - CLK 500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e209 - CLK 55 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e203 - C 55 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e219 - CLS 500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e215 - CL 500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e216 - CL 55 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e220 - S 500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e220 - S 55 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e221 - S 500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e463 - G 320\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e463 - G 500\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 12.1599998474121px; line-height: 1.3em;\"\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 10pt;\"\u003eRENNtech Carbon Fiber Quality Control\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 8pt;\"\u003eRENNtech strives to deliver the highest quality carbon fiber products in the industry. All of our designs are unique and fully developed in house by our skilled engineers and designers. These products can be very complex and are handcrafted utilizing the pre-preg manufacturing process, making each product truly unique. Therefore, a few minor inconsistencies and differences between parts is possible. Whether it’s a small deviation in the weave layup or slight inconsistency in the finish, this is completely normal in carbon fiber manufacturing because of the nature of the material and production process. Any parts with more noticeable areas of concern are scraped entirely and never offered to our highly discerning clientele. Comparing to alternative product, we're confident you will be more than satisfied with our authentic RENNtech carbon fiber components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":46915084812544,"sku":"09.113.00FTR","price":2880.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/RENNtech_m113_flattop_airbox_001_fe4c9cf6-69ae-4916-a3f9-73a360276ace.jpg?v=1755256808"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/collections\/51_fa304568-d199-484c-a8d2-b76d60cfaa38.png?v=1765580033","url":"https:\/\/store.renntechmercedes.com\/collections\/c-55-amg-mercedes-benz-c-class-203-2001-2007.oembed","provider":"RENNtech Inc","version":"1.0","type":"link"}