$1,099.00 House of Power Stage 1 Mercedes S600 2003-2006 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 S600 2003-2006 Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: S600 Tags: benz, Dyno, ecu tune, mercedes, s600, stage 1, stage 2, tune Description Description +100 Horsepower +110 Torque Performance ECU Tune for the Mercedes S600 Engine (2003-2006) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW M3 F80/F82 (2015-2016) Stage 2 575 Performance ECU Tune $2,599.00 Select Options BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 Select Options BMW 535d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW M3 F80/F82 (2015-2016) Stage 1 Performance ECU Tune $1,099.00 Select Options