$999.00 House of Power Stage 1 Mercedes CLS63 AMG 2007-2010 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 $999.00 Additional options total: $0.00 Order total: $999.00 Mercedes CLS63 AMG 2007-2010 Stage 1 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 +40 Horsepower +40 Torque Performance ECU Tune for the Mercedes CLS63 AMG M157 Engine (2007-2010) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 335i (2007-2011) Stage 1 Performance ECU Tune (N54) $599.00 Select Options BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 535i (2008-2010) Stage 1 Performance ECU Tune (N54) $999.00 Select Options BMW 328i E90/E92 Stage 1 Performance ECU Tune (N52) $499.00 Select Options