Control Unit
CRD3
MB A 2.1 CDI R4 · Turbo-Diesel
Delphi
Turbo-Diesel
100.0 kW / 136 HP
Legal notice
Race / export product. Tuning files are intended exclusively for motorsport, export and test-bench research — not road-legal (Art. 55 Reg. (EU) 2018/858). Disabling AGR / DPF / SCR voids the operating permit EU-wide and may void warranty and guarantee claims. The buyer bears sole responsibility for use.
Original ECU File
Original file
Verified, unmodified read-out file — the basis for your fileservice.
€34.99
incl. VAT
Add to cart
Verified original file
Digital delivery by e-mail
Payment: PayPal · Credit card · Bank transfer
Support: info@stefanel-performance.com
Fileservice – how it works
1
Read out original fileRead the control unit with a tool — KESS3, Autotuner, FLEX.
2
Order tuningChoose your optimisation and pay — PayPal, credit card, bank transfer.
3
Send the fileFile + order number to info@stefanel-performance.com.
4
Receive optimised fileThe processed file comes back by e-mail — ready to flash.
Processing usually within 24 hours
Accessories & more
Don't have a reading tool yet?
Pro tools to read and write your original file — available directly from us.
No interest in files?
Don't want to read out or flash a file yourself? We handle it completely for you — tuning fully calibrated and flashed at our shop or an installation partner near you.
Installation partners & on-site service
Technical data
| Vehicle | MB A 2.1 CDI R4 |
| Vehicle type | Passenger Car |
| Fuel | Turbo-Diesel |
| Engine code | OM651 |
| Displacement | 2143 ccm (2.1 L) |
| Power | 100.0 kW / 136 HP |
| Year | 2013 |
| Transmission | Automatic transmission |
| ECU manufacturer | Delphi |
| ECU designation | CRD3 |
| ECU prod. no. | CRD3-651-WMIA4D11-176WD-100kw-3JDFIV-EU6ICP_LH-EF-25_ME140201 |
| File size | 4,194,304 Bytes |
| Reading tool | Alientech Kess V2 |
Questions about this file?Reach us by phone or WhatsApp.
