{"product_id":"weistec-m157-ecu-tune-w-1-01-157-00252-3","title":"Weistec M157 ECU Tune W.1 for Mercedes-Benz","description":"\u003cp\u003e\u003cstrong\u003eCypher handheld not compatible with 2020+ models\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote: This is a reflash of your original ECU\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eCustom Tuning Surcharge Notes:\u003c\/strong\u003e Custom tuning requires datalogging and the ability to flash revised tune files \n    to the ECU by the installing shop and\/or end user. This surcharge is required for\n    \u003c\/p\u003e\u003cul\u003e\n        \u003cli\u003e Third-party (non-Weistec) turbo\/supercharger upgrades\u003c\/li\u003e\n        \u003cli\u003eSpecialized racing fuels\u003c\/li\u003e\n        \u003cli\u003eEthanol Blends\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n\n\n\u003cp\u003e\u003cstrong\u003eECU Tuning Process:\u003ca href=\"https:\/\/www.weistec.com\/howtotune\" target=\"_blank\"\u003eHow do I get my ECU tuned?\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eAs the global leader in Mercedes Benz AMG Tuning, Weistec Engineering sets the performance standard for bi-turbo M157 performance calibration.  Designed in-house by our expert tuning staff, our M157 ECU tune has surpassed the 600 wheel horsepower mark on a completely stock vehicle with no other modifications. This tune is also 100% street legal!\u003c\/p\u003e\n\n\n\u003cdiv class=\"o-layout o-layout--justify-center\"\u003e\n\t\u003cdiv class=\"o-layout__item u-width-12 u-width-8--xl\"\u003e\n\t\t\u003cp\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/SmY_Lm3Dlbk?enablejsapi=1\u0026amp;version=3\u0026amp;rel=0\u0026amp;controls=1\u0026amp;playerapiid=ytplayer\u0026amp;modestbranding=1\u0026amp;autohide=1;fs=1\u0026amp;\" title=\"How To Remove Your Mercedes-Benz M157 or M278 ECU\" allowfullscreen=\"\" class=\"frame\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\n\t\t\u003c\/p\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/3YlHZFZoS6c?enablejsapi=1\u0026amp;version=3\u0026amp;rel=0\u0026amp;controls=1\u0026amp;playerapiid=ytplayer\u0026amp;modestbranding=1\u0026amp;autohide=1;fs=1\u0026amp;\" title=\"Weistec M157 ECU Tune. 50 State Legal\" allowfullscreen=\"\" class=\"frame\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\t\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cbr\u003e\u003ch2\u003eCARB EO# D-691-1\u003c\/h2\u003e\u003chr\u003e\n\u003cp\u003eWith a keen understanding for optimal running conditions for the M157, we have revised many features of the factory ECU programming which creates an astounding crank horsepower and torque increases on California pump 91 octane fuel all while being street legal.\u003c\/p\u003e\n\u003cp\u003eThe tune can be installed by an authorized Cypher Pro Dealer or simply shipping the ECU to our \nSouthern California Facility.\u003c\/p\u003e\n\u003ch2\u003eKey Features:\u003c\/h2\u003e\n\u003chr\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eIncreased Wheel Horsepower\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIncreased Wheel Torque\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eEliminate Top Speed Limiter\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eImproved Throttle Response\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eOptimized Boost, Fuel and Spark\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eCARB Legal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAll OBD Monitors Function as Stock\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e*Power gains vary based on model, modifications, fuel, and running conditions.\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cdiv class=\"o-layout o-layout--justify-center u-text-center\"\u003e\n\t\u003ch2\u003eTuning Process: Cypher Handheld Tuner\u003c\/h2\u003e\n\t\u003cdiv class=\"o-layout__item u-width-12 u-width-8--xl\"\u003e\n\t\t\u003ciframe loading=\"lazy\" class=\"frame\" src=\"https:\/\/www.youtube.com\/embed\/pu_lWvKyhGo?si=n2Zxhxo6VJB-TcEx\" title=\"Youtube How To Tune With The Cypher HandHeld Tuner\" frameborder=\"0\" allow=\"accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\t\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2011-2014 Mercedes-Benz CL63 AMG Coupe\u003c\/li\u003e\n\u003cli\u003e2011-2017 Mercedes-Benz S63 AMG Base\u003c\/li\u003e\n\u003cli\u003e2011-2018 Mercedes-Benz CLS63 AMG Coupe\u003c\/li\u003e\n\u003cli\u003e2011-2018 Mercedes-Benz CLS63 AMG Shooting Brake\u003c\/li\u003e\n\u003cli\u003e2012-2015 Mercedes-Benz GL63 AMG Base\u003c\/li\u003e\n\u003cli\u003e2012-2015 Mercedes-Benz ML63 AMG Base\u003c\/li\u003e\n\u003cli\u003e2012-2016 Mercedes-Benz E63 AMG Base\u003c\/li\u003e\n\u003cli\u003e2012-2017 Mercedes-Benz G63 AMG Base\u003c\/li\u003e\n\u003cli\u003e2012-2019 Mercedes-Benz SL63 AMG Roadster\u003c\/li\u003e\n\u003cli\u003e2013-2015 Mercedes-Benz G63 AMG 6x6\u003c\/li\u003e\n\u003cli\u003e2013-2016 Mercedes-Benz E63 AMG S 4Matic\u003c\/li\u003e\n\u003cli\u003e2014-2017 Mercedes-Benz S63 AMG Coupe\u003c\/li\u003e\n\u003cli\u003e2014-2018 Mercedes-Benz CLS63 AMG S 4Matic\u003c\/li\u003e\n\u003cli\u003e2015-2017 Mercedes-Benz S63 AMG Cabriolet\u003c\/li\u003e\n\u003cli\u003e2015-2019 Mercedes-Benz GLE63 AMG S Base\u003c\/li\u003e\n\u003cli\u003e2015-2019 Mercedes-Benz GLE63 AMG S Coupe\u003c\/li\u003e\n\u003cli\u003e2015-2019 Mercedes-Benz GLE63 AMG Base\u003c\/li\u003e\n\u003cli\u003e2015-2019 Mercedes-Benz GLE63 AMG Coupe\u003c\/li\u003e\n\u003cli\u003e2015-2019 Mercedes-Benz GLS63 AMG Base\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/open?id=1l4dW6pSvUgQ2QEKtnHOufhsQoQf-n4_m\" target=\"_blank\" rel=\"noopener\"\u003eInstallation manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eWeistec part number: 01-157-00252-3 · UPC: 810089562036\u003c\/p\u003e","brand":"Weistec","offers":[{"title":"Default Title","offer_id":60049908039966,"sku":"WEI01-157-00252-3","price":1899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/med172_1.webp?v=1790378687","url":"https:\/\/shop.signatureautohaus.com\/products\/weistec-m157-ecu-tune-w-1-01-157-00252-3","provider":"Signature Autohaus","version":"1.0","type":"link"}