Description
2012 Mercedes-Benz C-Class 6.2L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz C-Class 6.2L 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
Adam Roberts –
I was a bit nervous about replacing the ECU myself, but this 2012 Mercedes-Benz C-Class 6.2L unit made the process surprisingly easy. It arrived quickly, and the VIN programming meant I didn’t have to worry about compatibility issues. Installation was straightforward, and my car runs perfectly now—no hiccups or warning lights. Definitely worth the investment for anyone needing a reliable, ready-to-go ECU solution.
Jack Bell –
I recently installed the ECM on my 2012 Mercedes C-Class and couldn’t be happier with how smooth the whole process was. The unit arrived quickly and was already programmed for my VIN, which saved me a ton of hassle. Installation was truly plug-and-play—everything fit perfectly and fired up without a single hiccup. I’ve noticed the engine runs more responsive and steady since the swap. Plus, when I had a quick question, their tech support was friendly and super knowledgeable. Definitely a solid purchase that got my car back to peak performance.
Jason Johnson –
Perfect fit for my 2012 C-Class, arrived quickly and worked flawlessly right out of the box. Highly recommend!