Description
2009 Mercedes-Benz CL-Class 5.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 Mercedes-Benz CL-Class 5.5L 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








Leo Hall –
This replacement ECM for my 2009 Mercedes-Benz CL-Class was exactly what I needed. It arrived quickly and was programmed to my VIN, so installation was straightforward with no headaches. After swapping it in, the car started right up and all systems function perfectly. Definitely a reliable and hassle-free fix for anyone facing similar issues.
Matthew Sanders –
Arrived quickly and fit perfectly in my 2009 CL-Class—installation was a breeze with zero issues. Excellent quality and seamless performance!
Henry Bell –
I was a bit nervous about replacing the ECM on my 2009 Mercedes-Benz CL-Class, but this unit made the whole process so much smoother than I expected. It arrived quickly and was already programmed to my VIN, which saved me a ton of time and hassle. Installation was truly plug-and-play—I had it swapped out and running within an afternoon without needing extra coding or trips to the dealer. The car feels just like it did when new, responsive and smooth. If you’re looking for a straightforward replacement with great support, this is definitely the way to go.