Description
2012 Mercedes-Benz CL-Class 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz CL-Class 4.7L 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
Dylan Ramirez –
The ECM arrived quickly and was exactly as described. Installation was straightforward, and it fit perfectly without any extra programming needed. My 2012 CL-Class is running smoothly now, and I appreciate the clear instructions and responsive customer support. Definitely a hassle-free replacement that gets the job done right.
Victor Bell –
I was a bit nervous about ordering an ECM for my 2012 Mercedes-Benz CL-Class, but this unit arrived quickly and was exactly as described. The VIN programming saved me a ton of time and hassle, and installing it was straightforward—no complicated setup required. After swapping it out, my car started right up with no issues, and everything runs smoothly now. The seller also responded promptly when I had a couple of questions before my purchase. Overall, a reliable product and great buying experience. Highly recommend if you need a replacement ECU that’s ready to go from the moment you get it.
John Torres –
I was a bit nervous about swapping out the ECM on my 2012 Mercedes-Benz CL-Class, but this unit arrived perfectly programmed to my VIN and was truly plug-and-play. Installation was straightforward, and the car fired up immediately without any warning lights or hesitation. It was clear the seller knew their stuff, as the package came with clear instructions and the shipping was surprisingly quick. After a week of driving, everything feels smooth and responsive, just like when the car was new. Definitely a stress-free experience that saved me a lot of time and money compared to taking it to the dealer. I’m very satisfied with this purchase.
James Cox –
This ECM arrived quickly and installed without a hitch—my CL-Class is running smooth again! Highly recommend for a hassle-free fix.