The Automotive Clinic — Tuning Files

Software CRD3-651-WMCB4D21-205WA-150 Delphi CRD3

16 master projects carry this software number, 15 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 250 d 4Matic 9AT - 204hp ×7
Mercedes-Benz C 220 CDI 170hp ×2
Mercedes-Benz C-Class T-Model 250 BlueTEC 7AT - 204hp
Mercedes-Benz C
Mercedes-Benz C250 2.1 CDI Blue Efficiency
Mercedes-Benz C 2.1 CDI Blue Efficiency
Mercedes-Benz C 250CDI
Mercedes-Benz

ECU

Delphi
CRD3 / CRD3P.D1 / CRD3P.AO
Delphi

Hardware / part numbers

0
6519014000
CRD3-651-WMCB4D21-205WA-125kW_NAG2-3OSL2
CRD3-651-WMCB4D21-205WA-150kW_NAG2-3OSL2

Read with

Euro 6

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-150 and the same hardware number.
See files & prices →

Vehicle pages: Mercedes-Benz C · Mercedes-Benz C-Class · Mercedes-Benz C-Class T-Model · Mercedes-Benz C250

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

WhatsApp