Mercedes-Benz G63 (W463)
5.5L Biturbo (M157)
Expertly calibrated and meticulously refined, HEX Tuning’s ECU software for the Mercedes AMG G63 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.