{"product_id":"renntech-ecu-upgrade-669-hp-734-lb-ft-m157-5-5l-v8-biturbo-for-mercedes-benz-c218-cls-63-amg-2015-2018","title":"RENNtech ECU+ Upgrade | 669 HP \/ 734 LB-FT | M157 | 5.5L V8 BiTurbo | for Mercedes-Benz | C218 | CLS 63 AMG 2015-2018","description":"\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eRENNtech ECU+ Upgrade | 669 HP \/ 734 LB-FT | M157 | 5.5L V8 BiTurbo | for Mercedes-Benz  | C218 | CLS 63 AMG 2015-2018\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!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRENNtech M157 Biturbo ECU+ Upgrades are TÜV approved!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. \u003c\/p\u003e\n\u003cp\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 M157 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 17% Drivetrain loss on 4MATIC vehicles.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStates known for poor fuel quality have to be supplied with a lower power setup.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003ePerformance Numbers Overview\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCLS 63 AMG (C218 | FL MY2015+ | 4MATIC | M157 | 5.5L V8 BiTurbo) \u003cspan style=\"color: #ff2a00;\"\u003eStock Performance (at crank):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eMercedes-Benz\u003c\/strong\u003e:    \u003cstrong\u003e577\u003c\/strong\u003e HP @ 5,500rpm; \u003cstrong\u003e590\u003c\/strong\u003e LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:        \u003cstrong\u003e605\u003c\/strong\u003e HP @ 5,500rpm; \u003cstrong\u003e646\u003c\/strong\u003e LB-FT @2,800-3,900rpm\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Mercedes M157 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\u003cspan\u003e\u003cstrong\u003eCLS 63 AMG (C218 | FL MY2015+ | 4MATIC | M157 | 5.5L V8 BiTurbo) \u003cspan style=\"color: #ff2a00;\"\u003eModified Performance (at crank):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated by \u003cstrong\u003eRENNtech\u003c\/strong\u003e:        \u003cstrong\u003e669 \u003c\/strong\u003eHP @ 5,500rpm; \u003cstrong\u003e734 \u003c\/strong\u003eLB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003e                          555 awhp @ 5,500rpm; 609 awtq @ 3,700rpm\u003c\/span\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\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\/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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch4\u003eVehicle Fitment Chart:\u003c\/h4\u003e\n\u003ctable class=\"custable\" style=\"width: 548px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; text-align: center;\" data-mce-style=\"height: 19px; text-align: center;\"\u003e\u003cstrong\u003eMAKE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px; text-align: center;\" data-mce-style=\"height: 19px; text-align: center;\"\u003e\u003cb\u003eMODEL\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px; text-align: center;\" data-mce-style=\"height: 19px; text-align: center;\"\u003e\u003cstrong\u003eYEAR\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eMercedes-Benz\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\n\u003cspan data-sheets-value='{\"1\":2,\"2\":\"CLS 63 AMG\"}' data-sheets-userformat='{\"2\":577,\"3\":{\"1\":0},\"9\":0,\"12\":0}' data-mce-fragment=\"1\"\u003eCLS 63 AMG\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\n\u003cspan data-sheets-value='{\"1\":2,\"2\":\"2015-2018\"}' data-sheets-userformat='{\"2\":577,\"3\":{\"1\":0},\"9\":0,\"12\":0}' data-mce-fragment=\"1\"\u003e2015-2018\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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;\" data-mce-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":51929793167652,"sku":"ECU:54.218.CLS63BT.FL","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/6801\/0532\/files\/renntech_hht_001_657f4223-8aa0-4956-8391-b6bef474957d.jpg?v=1768442827","url":"https:\/\/autohousesupply.com\/products\/renntech-ecu-upgrade-669-hp-734-lb-ft-m157-5-5l-v8-biturbo-for-mercedes-benz-c218-cls-63-amg-2015-2018","provider":"AutoHouseSupply","version":"1.0","type":"link"}