$1,199.00 House of Power Stage 1 Mercedes S65 2006-2013 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 S65 2006-2013 Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: S65 Tags: benz, Dyno, ecu tune, mercedes, s65, stage 1, stage 2, tune Description Description +85 Horsepower +140 Torque Performance ECU Tune for the Mercedes S65 Engine (2006-2013) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 328i E90/E92 Stage 1 Performance ECU Tune (N52) $499.00 Select Options BMW 335d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW M3 E90/E92 (2008-2013) Stage 1 Performance ECU Tune (S65) $799.00 Select Options BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options