Description
2007 Mercedes-Benz R-Class 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2007 Mercedes-Benz R-Class 3.5L 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






Ryan Taylor –
I was really impressed with how easy it was to get this ECM installed on my 2007 R-Class. It arrived quickly and came perfectly programmed to my VIN, so it was truly a plug-and-play experience. The engine runs smoothly now, and I didn’t have to waste time or money on additional tuning. Overall, a hassle-free replacement that got my car back on the road without any issues.
Luis Parker –
I bought this ECM for my 2007 Mercedes R-Class and was pleasantly surprised by how seamless the entire process was. From the moment I placed the order, the shipping was incredibly fast, and when it arrived, it was already programmed to my VIN, so installation was a breeze. I had a slight hesitation about doing the swap myself, but the unit fit right in and worked perfectly without any glitches. The car started up instantly, and all the systems synced as if nothing had changed. It’s clear this is a quality product made for hassle-free replacement. I couldn’t be happier with how smoothly everything went.
Isaac Reed –
The ECM arrived quickly and slipped right into my R-Class with zero hassle—exact fit and flawless performance. Couldn’t ask for a smoother install!
Andrew Roberts –
I was a bit nervous ordering an ECM for my 2007 Mercedes R-Class, but this unit arrived quickly and worked flawlessly right out of the box. The VIN programming meant I didn’t have to mess around with complicated setups—just plug it in and go. After swapping it myself, the car fired up immediately with no error codes or warning lights. It feels great to have my Mercedes running smoothly again without the dealership price tag. Definitely a reliable and hassle-free fix for anyone facing ECM issues.