Delphi CRD3.N5 ECU Tuning
Engine control unit used in 7 supported models from 2 makes.
Infiniti with the Delphi CRD3.N5
All Infiniti tunes- Infiniti Q302015+2.2dAutoTuner
- Infiniti Q502016+2.2dAutoTuner
- Infiniti Q702015+2.2dAutoTuner
- Infiniti QX302015+2.2dAutoTuner
Mercedes with the Delphi CRD3.N5
All Mercedes tunes- Mercedes A2015+W176 · 220 CDI (2.1)AutoTuner
- Mercedes CLA2013+C117, C117-X117 · 220 CDI (2.1)AutoTuner
- Mercedes GLA2017+220 CDI (2.1)AutoTuner
About Delphi CRD3.N5 tuning
The Delphi CRD3.N5 engine control unit is supported in 7 models from Infiniti, 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.