Mercedes-Benz GT · 2017 - 2021

4.0 - 476hp Stage 1 tuning

ECU remap / chiptuning file for the Mercedes-Benz GT 4.0 - 476hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.

Power
476 hp 575 hp +99 hp
Torque
630 Nm 820 Nm +190 Nm

Engine specifications

Engine code
M178
Fuel
Petrol
Displacement
3982 cc
Compression
10.5 : 1
Bore × Stroke
83.0 X 92.0 mm
ECU
Bosch MED17.7.5, Bosch MG1CP002