{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w166-ml-550-biturbo","title":"RennTech Performance ECU+ Upgrade For Mercedes-Benz W166 ML 550 Biturbo","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\u003eRennTechÂ HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTechÂ proprietary tuning module stores both the RennTechÂ 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.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRennTechÂ has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s. RennTechÂ 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.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRennTechÂ 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, RennTechÂ performance software unleashes the true potential of your Mercedes.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTechÂ Software Upgrade for the M278 \"“ 4.7L V8 BiTurbo, RennTechÂ boosts the 550-Series to AMG Power Levels. The RennTechÂ upgraded M278 now produces up to up to 540 HP and 705 LB-FT at crank. Compared to power numbers by Mercedes-Benz, the ML 550 gains up to 92 HP and 167 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version.\u003c\/span\u003e\u003c\/p\u003e\n\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;\"\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;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the M278 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\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePower gains are calculated based on stock numbers measured by RENNtech. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eCrank Performance Numbers are calculated with a 18% Drivetrain loss on 4MATIC SUVs.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\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\u003e\u003cspan\u003eGains: +92HP \/ +167LB-FT\u003c\/span\u003e\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 torqueÂ \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 Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e429 HP @ 5,500rpm; 516 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e448 HP @ 5,500rpm; 538 LB-FT @2,800-3,900rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e540Â HP @ 5,500rpm; 705 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e443 awhp @ 5,500rpm; 578awtq @ 3,700rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003eÂ Â Â \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003eÂ Mercedes-Benz\u003cspan\u003e\u003cspan\u003e W166Â \u003c\/span\u003eML 550Â Biturbo\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e2013 Mercedes-Benz W166Â ML 550Â Biturbo\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003eÂ Mercedes-Benz\u003cspan\u003e W166Â ML 550Â Biturbo\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003eÂ Mercedes-Benz\u003cspan\u003e W166Â ML 550Â Biturbo\u003c\/span\u003e\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":51929817153828,"sku":"54.166.ML550BT","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/6801\/0532\/files\/RennTechPerformanceIntermediateECUUpgradeForMercedes-BenzC217S63AMGBiTurbo-AutoTalent_1215d7de-cbf7-47c0-b1a7-dec3f4c06c7f.jpg?v=1768443559","url":"https:\/\/autohousesupply.com\/products\/renntech-performance-ecu-upgrade-for-mercedes-benz-w166-ml-550-biturbo","provider":"AutoHouseSupply","version":"1.0","type":"link"}