The Automotive Clinic — Tuning Files

Software CRD-646-NMA9J-204WA-125 Delphi DCM 3.2

10 master projects carry this software number, 10 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 220 CDI ×5
Mercedes-Benz C 220CDI ×2
Mercedes-Benz C 220 CDI (2.1)
Mercedes-Benz C-Class
Mercedes-Benz

ECU

Delphi
DCM 3.2 / DCM3.2 / CRD.11
Delphi

Hardware / part numbers

CRD-646-NMA9J-204WA-125kw-41O-EF-ME-D55-
CRD-646-NMA9J-204WA-125kw-41OP-EF-ME-D55
Undefined

Read with

Autotuner OBD

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 CRD-646-NMA9J-204WA-125 and the same hardware number.
See files & prices →

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

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-03-09.

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