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New Tuning File Available: Stage 1 Tuning File for Mercedes C250 CDI 2.1 (204PS) – Delphi CRD3 ECU (CRD3-651-WMA4HD11) 204WA - Mercedes C250 CDI Stage 1 file on CRD3 — smoother torque curve and refined boost strategy.
Welcome to the official discussion thread for the MB 250CDI tuning package. This calibration is specifically developed for the CRD3 ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 204.0PS / 150.0kW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: MB 250CDI
Welcome to the official discussion thread for the MB 250CDI tuning package. This calibration is specifically developed for the CRD3 ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 204.0PS / 150.0kW.
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- Stage 1 binary file for Mercedes-Benz C250 CDI (Delphi CRD3 ECU)
- Boost response improved and torque limits raised in mid-range
- Fuel and air mass calibrations adapted for smoother power delivery
- No interference with DPF, EGR or AdBlue systems — emissions intact
- Checksum correction via OLS809 plugin (Delphi DCM3.x supported)
- Suitable for bench or slave tool flashing
- Full 4MB binary with verified CRC
- Tested on dyno for reliability under standard driving conditions
➜ Download Tuning File / View Full Specs