Delphi CRD3P.D1 ECU Tuning
Engine control unit used in 4 supported models from 1 make.
Mercedes with the Delphi CRD3P.D1
All Mercedes tunes- Mercedes C2014+W205 · 200 BlueTEC (2.1), 220 BlueTEC (2.1), 250 BlueTEC (2.1)AutoTuner
- Mercedes E2013+W212 · 200 BlueTEC (2.1), 220 BlueTEC (2.1), 250 BlueTEC (2.1)AutoTuner
- Mercedes SLC2016+250 BlueTEC (2.1)AutoTuner
- Mercedes SLK2011+R172 · 250 BlueTEC (2.1)AutoTuner
About Delphi CRD3P.D1 tuning
The Delphi CRD3P.D1 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.