Description
2008 Mercedes-Benz CLS-Class 6.2L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2008 Mercedes-Benz CLS-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







Cooper Roberts –
This ECM arrived quickly and was exactly as described for my 2008 Mercedes-Benz CLS-Class 6.2L. Installation was straightforward since it came pre-programmed to my VIN, saving me a lot of hassle. The engine fired up smoothly right away, and the car runs like new again. Definitely a reliable replacement part with excellent support from the seller.
Tyler Evans –
This ECM arrived quickly and worked perfectly right out of the box—installation was a breeze with no hassle at all. Couldn’t be happier with the smooth performance boost!
Jose Peterson –
I was a bit nervous about ordering an ECM for my 2008 Mercedes-Benz CLS-Class, but this unit exceeded all expectations. It came already programmed to my VIN, which saved me a ton of time and hassle. The install was straightforward—literally plug and play, just as advertised. After swapping it in, my car started right up with no error codes, and everything runs smoothly. Shipping was quick, and the support team was helpful when I had a couple of questions. Definitely a solid purchase for anyone needing a reliable ECU replacement.