MERCEDES · CRD3.40 ECU · diesel

MERCEDES ML CRD3.40 tuning files

MERCEDES ML on the CRD3.40: matched, calibrated and delivered with care. Stock output across the matched variants spans 204–258 HP. 6 distinct variants are catalogued here. Diesel calibration here covers everything from a clean Stage 1 to the emissions-side work. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

What we can run on the CRD3.40 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

6 distinct variants for the MERCEDES ML on the CRD3.40 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
3000 258HP
Engine code
651
Controller brand
DELPHI
ECU
CRD3.40
Stock power
258 HP
ECU SW
6519021302
ECU HW
6519040900
SW upgrade
6519039139
Calibration
6519040900_6519021302_6519039139

Variant 2

ECU
Catalog engine
2200 204HP
Engine code
651
Controller brand
DELPHI
ECU
CRD3.40
Stock power
204 HP
ECU SW
6519021501
ECU HW
6519040001
SW upgrade
6519032030
Calibration
6519040001_6519021501_6519032030

Variant 3

ECU
Catalog engine
2200 204HP
Engine code
651
Controller brand
DELPHI
ECU
CRD3.40
Stock power
204 HP
ECU SW
6519021501
ECU HW
6519040001
SW upgrade
6519032723
Calibration
6519040001_6519021501_6519032723

Variant 4

ECU
Catalog engine
2200 204HP
Engine code
651
Controller brand
DELPHI
ECU
CRD3.40
Stock power
204 HP
ECU SW
6519025400
ECU HW
6519040001
SW upgrade
6519030616
Calibration
6519040001_6519025400_6519030616

Variant 5

ECU
Catalog engine
2200 204HP
Engine code
651
Controller brand
DELPHI
ECU
CRD3.40
Stock power
204 HP
ECU SW
6519024100
ECU HW
6519040001
SW upgrade
6519036516
Calibration
6519040001_6519024100_6519036516

Variant 6

ECU
Catalog engine
2200 204HP
Engine code
651
Controller brand
DELPHI
ECU
CRD3.40
Stock power
204 HP
ECU SW
6519024100
ECU HW
6519040001
SW upgrade
6519038019
Calibration
6519040001_6519024100_6519038019

Related vehicles

Other vehicles built on the CRD3.40 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the MERCEDES ML on the CRD3.40?

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 CRD3.40 ECU software on this model?

Yes — the MERCEDES ML on the CRD3.40 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 ML CRD3.40 ECU Tuning Files | TuningBay