Bosch M3.4.2 original ECU files
Original (stock) files read from Bosch M3.4.2 engine control units: 6 files for 1 makes and 4 models. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.
Vehicles with a Bosch M3.4.2 ECU 4
All Bosch M3.4.2 files 6
| Vehicle | ECU | HW | SW | Calibration / upgrade | |
|---|---|---|---|---|---|
| Mercedes C220 2200 150hp | Bosch M3.4.2 | — | — | — | €20 · Open |
| Mercedes C280 2800 197hp | Bosch M3.4.2 | — | — | — | €20 · Open |
| Mercedes E3.2 220hp · M 104 E 32 | Bosch M3.4.2 | 0261203492 | — | VR00165456032 | €20 · Open |
| Mercedes S500 5000 320hp | Bosch M3.4.2 | — | — | — | €20 · Open |
| Mercedes SL3.2 231hp · M 104 E 32 | Bosch M3.4.2 | 0261200430 | — | — | €20 · Open |
| Mercedes SL3.2 231hp · M 104 E 32 | Bosch M3.4.2 | 0261200430 | — | — | €20 · Open |
All hardware, software and calibration numbers
Find the number from your ECU read (Ctrl+F) and open the matching file.
Hardware (HW) · 2
Calibration / SW upgrade · 1
Tuning for Bosch M3.4.2 — done by our engineers
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop
Questions
Are these files modified?
No. Every file is an original (stock) read of a Bosch M3.4.2 control unit, delivered exactly as read. If you need a modified file, order tuning below.
How do I find the right file?
Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.
How do I get the file?
Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.
My number is not listed. What now?
Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.
Can you tune Bosch M3.4.2?
Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for Bosch M3.4.2 (depending on the engine). Upload your read on our file service.