MERCEDES · CRD3.7A (DCM3.5) ECU · diesel

MERCEDES E CRD3.7A (DCM3.5) tuning files

The MERCEDES E on the CRD3.7A (DCM3.5), mapped from stock file to finished result. The matched variants sit between 136 and 178 HP from the factory. There are 2 distinct variants on file for this combination. It is a diesel platform, so the full diesel solution range is on the table. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All E coverage

Available solutions

What we can run on the CRD3.7A (DCM3.5) for this diesel — the precise options narrow down by engine and software version.

Stage 1Stage 2DPF OffEGR OffAdBlue OffSwirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

2 distinct variants for the MERCEDES E on the CRD3.7A (DCM3.5) ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
2200 178HP
Engine code
OM651DE22LA
Controller brand
DELPHI
ECU
CRD3.7A (DCM3.5)
Stock power
178 HP
ECU SW
6519020702
ECU HW
6519040800
SW upgrade
6519038434

Variant 2

ECU
Catalog engine
2200 136HP
Engine code
OM651DE22LA
Controller brand
DELPHI
ECU
CRD3.7A (DCM3.5)
Stock power
136 HP
ECU SW
6519020702
ECU HW
6519040800
SW upgrade
6519030735

Related vehicles

Other vehicles built on the CRD3.7A (DCM3.5) controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the MERCEDES E on the CRD3.7A (DCM3.5)?

Stage 1, Stage 2, DPF Off, EGR Off, AdBlue Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.

Do you cover the CRD3.7A (DCM3.5) ECU software on this model?

Yes — the MERCEDES E on the CRD3.7A (DCM3.5) ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.

MERCEDES E CRD3.7A (DCM3.5) ECU Tuning Files | TuningBay