Description
2009 Mercedes-Benz C-Class 3.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 Mercedes-Benz C-Class 3.0L 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
Samuel Walker –
I was a bit nervous about ordering an ECM for my 2009 Mercedes C-Class, but this unit arrived quickly and was exactly as described. The VIN programming meant I didn’t have to worry about compatibility, and installation was straightforward—no complicated setup or glitches. Once installed, the car started perfectly and runs smoothly without any error codes. It truly felt like a seamless, plug-and-play experience, and the customer support was helpful when I had a couple of quick questions. Overall, I’m very impressed and would recommend this product to anyone needing a reliable ECM replacement.
Andrew James –
I was really impressed with how straightforward the installation was—this ECM came perfectly programmed for my 2009 C-Class and fit right in without any tweaks. The shipping was surprisingly quick, which helped get my car back on the road much sooner than expected. Overall, the quality feels top-notch and the vehicle runs smoothly since the swap. Definitely a hassle-free upgrade for anyone needing a reliable ECU replacement.
Aiden Kelly –
Super easy to install and arrived way quicker than I expected. My C-Class runs perfectly now!