The Automotive Clinic — Tuning Files

Software CRD3-651-WMCB4D21-205WA-125 Delphi CRD3

13 master projects carry this software number, 11 with a modified version. Upload your read to have the tune transferred into your own file, or buy the file exactly as we hold it by software number. Modified files from $275, original (stock) files from $75 AUD. Trade accounts see their own pricing after log in.

Fitted to

Mercedes-Benz C-Class 220 BlueTEC 7AT - 170hp ×3
Mercedes-Benz C220 ×2
Mercedes-Benz C-Class 220 BlueTEC 6MT - 170hp ×2
Mercedes-Benz C220 2.2 CDI R4
Mercedes-Benz C-Class 220 BlueTEC 7AT -
Mercedes-Benz C 220 BlueTEC (2.1)
Mercedes-Benz C 250 CDI
Mercedes-Benz C C 220 CDI
Mercedes-Benz

ECU

Delphi
CRD3 / CRD3S2 / CRD3P.A0
Delphi

Hardware / part numbers

CRD3-651-WMCB4D21-205WA-125kW_NAG2-3OSL2
Undefined

Read with

Autotuner Bench

Modifications available

Have the read? Upload it.
Your own file comes back with the modification built in, checked for a 100% match before it's offered.
Upload your read →
Can't read the ECU? Buy by software number.
The stock or modified file exactly as we hold it, to write with your tool. Make sure your ECU carries CRD3-651-WMCB4D21-205WA-125 and the same hardware number.
See files & prices →

Vehicle pages: Mercedes-Benz C · Mercedes-Benz C-Class · Mercedes-Benz C220

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-10-08.

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