Mercedes CLS63s 2017 Stage:Stage 3 Tuning for specific octane

Tuning for specific octane

Top speed limiter removal

NOTE DME Tuning saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time

For Stage 2 -- Add On catless downpipes

Mercedes CLS63s 2017 Stage:Stage 3 Tuning for specific octaneExpertly calibrated and meticulously refined, DME Tunings ECU software is guaranteed to give you MORE of a good thing. More horsepower, more torque, and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management. With additional ft. lbs. of torque through the mid range, acceleration out of your favorite corner and onto the straight is noticeably quicker throughout the rev range. DME