$1,199.00 House of Power Stage 1 Mercedes C300 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 C300 2012-2014 Stage 1 Performance ECU Tune (M276) quantity — OR — Add to cart Category: C300 Tags: 4 matic, benz, c300, Dyno, ecu tune, mercedes, stage 1, stage 2, tune Description Description +40 Horsepower +35 Torque Performance ECU Tune for the Mercedes C300 M276 Engine (2012+) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 535i (2008-2010) Stage 1 Performance ECU Tune (N54) $999.00 Select Options BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options BMW 535i (2011-2016) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW M5 F10/F13 (2012-2016) Stage 1 Performance ECU Tune $2,499.00 Select Options