RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 H247 - GLA SUV GLA45

H247 - GLA SUV GLA45 AMG | MY2019+

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

AMG GT63 Four Door Coupe (X290)

engines is EPA Emissions compliant and street legal in all 50 States

RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 H247 - GLA SUV GLA45The RENNtech ECU Plus Upgrade brings the C 43 AMG Coupe up to 416 HP and 460 LB FT Gains: +41 HP and +62 LB FT. RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU.