Control Unit
SIM271
MB C 250CGI · Turbo-Petrol
Siemens/Continental
Turbo-Petrol
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.
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Verified original file
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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
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Technical data
| Vehicle | MB C 250CGI |
| Vehicle type | Passenger Car |
| Fuel | Turbo-Petrol |
| Displacement | 0 ccm (0.0 L) |
| ECU manufacturer | Siemens/Continental |
| ECU designation | SIM271 |
| ECU prod. no. | CAM80084M800840 M80D2031_T__41001 |
| Software version | M800008400000 |
| SW version | 2719035206 |
| File size | 2,097,152 Bytes |
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