Bosch MG1CS701 ECU Tuning

Engine control unit used in 5 supported models from 1 make.

Mercedes with the Bosch MG1CS701

  • Mercedes A2018+W177 · 180 MHEV, 200 MHEV, 250e PHEVAutoTuner
  • Mercedes B2019+W247 · 180 MHEV, 200 MHEV, 250e PHEVAutoTuner
  • Mercedes CLA2019+C118 · 200 MHEV, 250e PHEVAutoTuner
  • Mercedes GLA2020+H247 · 180 MHEV, 200 MHEV, 250e PHEVAutoTuner
  • Mercedes GLB2019+X247 · 200 MHEVAutoTuner

About Bosch MG1CS701 tuning

The Bosch MG1CS701 engine control unit is supported in 5 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.

Browse all supported ECUs and TCUs

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.