{"product_id":"weistec-m156-m159-ecu-tune","title":"Weistec M156\/M159 ECU Tune","description":"The Weistec Mercedes M156 ECU Tune is a premium software tuning package specifically engineered for the naturally aspirated M156 and M159 engines. It offers a robust yet reliable solution, optimizing critical engine parameters for increased horsepower and torque while remaining street legal and designed to perform on 91 octane fuel. This tuning solution is CARB EO# D-691-3 certified.\n\nThis ECU tune delivers a range of performance enhancements, including a notable increase in horsepower and torque. It also features the elimination of the factory top speed limiter, providing unrestricted acceleration potential. Drivers will experience a heightened throttle response, making the vehicle feel more immediate and agile. The tuning process includes optimized fuel delivery and spark timing to maximize engine efficiency and power delivery.\n\nFor customers considering future upgrades, Weistec offers the \"Weistec Upgrade Promise.\" Those who purchase this ECU Tune will receive a credit towards the purchase of a Weistec M156 Supercharger System, allowing for a cost-effective path to even greater power gains. The product is available with an optional handheld programmer for convenient home tuning.\n\nThis ECU tune is compatible with various Mercedes-Benz models equipped with the M156 engine, including the C Class W204 (2008-2014) C63 AMG, E Class W211 (2003-2009) E63 AMG, E Class W212 (2010-2016) E63 AMG (2010-11), S Class W221 (2007-2013) S63 AMG, and SL Class R230 (2007-2011) SL 63 AMG. *Note that power gains can vary based on specific vehicle model, existing modifications, fuel quality, and running conditions.","brand":"Weistec","offers":[{"title":"Default Title","offer_id":52687964471608,"sku":"01-000-00169-7","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/663684038.webp?v=1784888160","url":"https:\/\/store.motormia.co\/products\/weistec-m156-m159-ecu-tune","provider":"MOTORMIA","version":"1.0","type":"link"}