RENNtech | ECU Upgrade | W166 | ML 350 BlueEFFICIENCY | 308HP/285LB-FT | 3.5L V6 NaturallyAspirated | M276 audi-q7--4l---2006-2015--4-2-v8-fsi-esr4077021 GLC63 AMG 4MATIC+ (MY2016+ |

GLC63 AMG 4MATIC+ (MY2016+ | X253 | M177 | 4

38 sec 118 mph *If not otherwise noted

Maserati Ghibli S (Q4) (M157) 2018+

Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles

RENNtech | ECU Upgrade | W166 | ML 350 BlueEFFICIENCY | 308HP/285LB-FT | 3.5L V6 NaturallyAspirated | M276 audi-q7--4l---2006-2015--4-2-v8-fsi-esr4077021 GLC63 AMG 4MATIC+ (MY2016+ |RENNtech ECU Upgrade for 166 ML 350 BlueEFFICIENCY. up to 308HP and 285LB FT. Gains: +6HP & +12LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech