Description
2008 Mercedes-Benz G-Class 5.4L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2008 Mercedes-Benz G-Class 5.4L 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
Anthony Edwards –
Perfect fit and ready to go right out of the box—had my G-Class running smoothly again in no time. Super fast delivery too!
Robert Watson –
Installed this ECM on my 2008 Mercedes G-Class and it fit perfectly right out of the box. The VIN programming was spot on, so I didn’t have to tinker with any settings. Shipping was quick, and the instructions made the swap straightforward even for a first-timer. It’s running flawlessly now, feels like my truck’s firing on all cylinders again.