Bosch MG1CP777 ECU Tuning
Engine control unit used in 4 supported models from 1 make.
Mercedes with the Bosch MG1CP777
All Mercedes tunes- Mercedes A2018+W177 · 35 AMG MHEV, 220 MHEV, 250 MHEVAutoTuner
- Mercedes CLA2019+C118 · 35 AMG MHEV, 220 MHEV, 250 MHEVAutoTuner
- Mercedes GLA2020+H247 · 35 AMG MHEV, 220 MHEV, 250 MHEVAutoTuner
- Mercedes GLB2019+X247 · 35 AMG MHEV, 220 MHEV, 250 MHEVAutoTuner
About Bosch MG1CP777 tuning
The Bosch MG1CP777 engine control unit is supported in 4 models from Mercedes. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.