MERCEDES CLA 45 AMG ECU Tuning SOFTWAREOverview Mercedes CLA 45 AMG 2. 0 L 4 Cylinder Twin Turbo M133 2013 2018 Expertly calibrated and meticulously refined, HEX Tunings ECU software for the Mercedes Benz AMG CLA 45 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