Description
2009 Mercedes-Benz E-Class 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 Mercedes-Benz E-Class 3.5L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $200 CAD / $140 USD
A prepaid shipping label will be emailed to you.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566








Matthew Evans –
Installed this ECM effortlessly and my E-Class runs smoother than ever—fast delivery was a nice bonus. Truly plug-and-play with zero hassle!
Cooper Roberts –
I was a bit nervous about buying an ECM for my 2009 E-Class, but this unit arrived exactly as described and was already VIN programmed, which made installation a breeze. It fit perfectly, and when I turned the key, everything fired up without a hitch. The shipping was surprisingly quick, and the instructions were clear enough that I didn’t need to call for help. It’s such a relief to have my car running smoothly again without any error codes popping up. Overall, a solid product that saved me a lot of time and hassle. Highly recommend for anyone needing a reliable replacement!
Carlos Gonzalez –
This replacement ECM for my 2009 Mercedes E-Class arrived quickly and was exactly as described. Installation was straightforward since it came VIN programmed, so it was truly plug-and-play with no extra hassle. The car fired up perfectly right away, and I haven’t had any issues since. Very impressed with the quality and the smooth process overall.