$1,499.00 House of Power Stage 1 Mercedes E350 2012+ECU Tuning (M276) 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 E350 2012+ Stage 1 Performance ECU Tune (M276) quantity — OR — Add to cart Category: E350 Tags: benz, Dyno, e350, ecu tune, m276, mercedes, stage 1, stage 2, tune, w212 Description Description +30 Horsepower +30 Torque Performance ECU Tune for the Mercedes E350 M276 Engine (2012+) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 135i Stage 1 Performance ECU Tune (N54) $599.00 Select Options BMW 335i (2007-2011) Stage 1 Performance ECU Tune (N54) $599.00 Select Options BMW 435i (2012+) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options