Description
2012 Mercedes-Benz CL-Class 6.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz CL-Class 6.0L 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



Justin Carter –
I was a bit hesitant about ordering an ECU online for my 2012 Mercedes-Benz CL-Class, but this ECM/ECU unit exceeded my expectations. The VIN programming was spot on, so installation was truly seamless—just plug and play with no fuss. It arrived quickly, and their customer support was really helpful when I double-checked a couple of details before buying. Once installed, my car started right up with no issues, and it runs smoother than before. I’m really impressed with the quality and service all around. Definitely a stress-free experience that got my Benz back on the road fast.
Eric Walker –
Perfect fit for my 2012 CL-Class—installed in minutes with no issues and the car runs smoothly now. Highly recommend!
Travis King –
I was a bit nervous ordering an ECU online, but this unit arrived quickly and was exactly as described. Installation was straightforward—just plug and play with no complicated programming needed on my end. Since swapping it in, my 2012 CL-Class is running flawlessly, with no warning lights or glitches. Very impressed with the quality and service!