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Delphi CRD3.X

Delphi CRD3.X AdBlue / SCR / NOx Removal

NuoVolta provides a ready AdBlue / SCR / NOx Removal solution for the Delphi CRD3.X, used in Mercedes vehicles. The NuoVolta client recognises your original file, applies the solution and handles the related DTC codes.

No. 1 most requested solution for this ECU
87solution files for this solution
13solutions on this ECU
102DTC sets
Sep 2026last update

How it works

Applying AdBlue / SCR / NOx Removal to a Delphi CRD3.X file takes three steps.

  1. Read the fileRead the original file from the Delphi CRD3.X with your tool.
  2. Select the solutionOpen it in the NuoVolta client and select AdBlue / SCR / NOx Removal.
  3. Write the resultSave the modified file and write it back to the ECU.

About AdBlue / SCR / NOx Removal

ADBLUE (Diesel Exhaust Fluid) AdBlue is a fluid used to reduce emissions in diesel engines. Also commonly known as "Diesel Exhaust Fluid" (DEF). AdBlue is used in SCR (Selective Catalytic Reduction) systems to reduce nitrogen oxide (NOx) emissions in modern diesel engines. FUNCTION OF ADBLUE (Diesel Exhaust Fluid) 1. Function: AdBlue is a solution of urea and pure water injected into the exhaust system of diesel…

Read more about AdBlue / SCR / NOx Removal

Most requested solutions

Ranking of the solutions NuoVolta users apply most often to this ECU.

  1. 1 AdBlue / SCR / NOx Removal
  2. 2 DPF / ADV Removal
  3. 3 Stage 1
  4. 4 Torque Monitoring Disable
  5. 5 EGR Removal
  6. 6 Speed Limit / Vmax Removal
  7. 7 Start & Stop Disable

Related DTC codes

Fault codes that are commonly linked to AdBlue / SCR / NOx Removal.

P203F Reductant (AdBlue/DEF) Level Too Low P2047 Reductant (AdBlue/DEF) Injector Circuit/Open (Bank 1 Unit 1) P20E8 Reductant (AdBlue/DEF) Pressure Too Low P20EE SCR NOx Catalyst Efficiency Below Threshold (Bank 1) P2200 NOx Sensor Circuit (Bank 1 Sensor 1) P2201 NOx Sensor Circuit Range/Performance (Bank 1 Sensor 1) P229F NOx Sensor Circuit Range/Performance (Bank 1 Sensor 2) P2BAD NOx Exceedance - Root Cause Unknown

Other solutions for the Delphi CRD3.X

DPF / ADV Removal Stage 1 Torque Monitoring Disable EGR Removal Speed Limit / Vmax Removal Start & Stop Disable MAF Removal TVA Removal Flaps / Swirl Removal Lambda / O2 Removal Catalyst Removal AGS Removal

AdBlue / SCR / NOx Removal on other ECUs

Delphi DCM6.2V Audi, Citroen, DS and 7 more Delphi DCM7.1 Citroen, DS, Opel and 2 more Delphi DCM3.7 Audi, Bobcat Construction, Chevrolet and 12 more Delphi Dmci DAF Truck and Kenworth Truck Delphi DCM7.24 JCB Agriculture and JCB Construction Delphi DCM3.2 Hyundai Truck, KIA Truck, Ssangyong and Tata Delphi DCM3.3 JCB Agriculture, JCB Construction and Palazzani Construction Continental SID310 Dacia, Infiniti, Mercedes and 3 more

Frequently asked questions

Is a ready AdBlue / SCR / NOx Removal solution available for the Delphi CRD3.X?

Yes. NuoVolta has a ready AdBlue / SCR / NOx Removal solution for the Delphi CRD3.X with 87 solution files. It is applied with the NuoVolta client.

Which vehicles use the Delphi CRD3.X?

According to the NuoVolta database, the Delphi CRD3.X is used in Mercedes vehicles.

Are the related DTC codes handled?

The AdBlue / SCR / NOx Removal solution is applied together with the related DTC handling. If other codes remain, the DTC removal feature can disable them.

Diagnose and repair real faults first. Removing or disabling emission systems is only permitted where allowed by law, for example for off-road or motorsport use.

Ready to work with the Delphi CRD3.X?

Get the NuoVolta client and apply ready solutions to your ECU files.

See packages All solutions for the Delphi CRD3.X