{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls550-2011-2015","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C218 CLS550 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\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. RennTech 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\nWith the RennTech ECU Upgrade the W205 - C 43 AMG Coupe gains up to +25 HP and +42 LB-FT, 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 \u003cspan\u003eCoupe \u003c\/span\u003eis 400 HP and 440 LB-FT.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+45HP \/ +162HP\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e402 HP @ 5,500rpm; 443 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e435 HP @ 5,500rpm; 443 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e480 HP @ 5,500rpm; 605 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e \u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":51929812238628,"sku":"54.218.CLS550BI","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/6801\/0532\/files\/charger_46135325-ebdd-473e-ac36-11827296e292.jpg?v=1768443401","url":"https:\/\/autohousesupply.com\/products\/renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls550-2011-2015","provider":"AutoHouseSupply","version":"1.0","type":"link"}