$2,399.00 House of Power Stage 1 Mercedes S63 AMG 2012+ 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 S63 AMG 2012+ Stage 1 Performance ECU Tune (M157) quantity — OR — Add to cart Category: S63 Tags: amg, benz, Dyno, ecu tune, mercedes, s63, stage 1, stage 2, tune Description Description +230 Horsepower +330 Torque Performance ECU Tune for the Mercedes S63 AMG M157 Engine (2012+) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 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