“BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63)” has been added to your cart. View cart $999.00 House of Power Stage 1 Mercedes A250 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 $999.00 Additional options total: $0.00 Order total: $999.00 Mercedes A250 2012+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: A250 Tags: a250, benz, Dyno, ecu tune, mercedes, stage 1, stage 2, tune Description Description +40 Horsepower +50 Torque Performance ECU Tune for the Mercedes A250 Engine (2012+) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options Nissan 370z EcuTek Tune $1,000.00 Select Options BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 Select Options BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options