Mercedes-AMG CLS 63/ 63 S (W218
5.5 L V8 Twin Turbo (M157)
2011 - 2018
Expertly calibrated and meticulously refined, HEX Tuning’s ECU software for the W218 Mercedes AMG CLS 63 / CLS 63S 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 as much as 100+ extra 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.