$2,899.00 House of Power Stage 2 Mercedes CLS63 AMG 2011-2018 ECU Tuning Want to add even more Horsepower? Upgrade to Stage 2 ECU Tune. (Catless Application) Adds an approx. 30-40 additional Horsepower! Check the box below: Upgrade to Stage 2 + $399.00 Product price Additional options total: Order total: Mercedes CLS63 AMG 2011-2018 Stage 2 Performance ECU Tune (M157) quantity — OR — Add to cart Category: Mercedes CLS-Class Tags: benz, cls63, Dyno, ecu tune, m157, mercedes, stage 1, stage 2, tune Description Description +280 Horsepower +480 Torque Performance ECU Tune for the Mercedes CLS63 AMG M157 Engine (2011-2018) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 550i (2006-2010) Stage 1 Performance ECU Tune $1,099.00 Select Options BMW 435i (2012+) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 128i Stage 1 Performance ECU Tune $600.00 Select Options