Description
2011 Mercedes-Benz R-Class 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 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








Benjamin Hall –
The ECU arrived quickly and was exactly as described for my 2011 Mercedes-Benz R-Class. Installation was straightforward, and the plug-and-play design meant I didn’t have to fuss with complicated programming. My vehicle runs smoothly now, and I appreciate the helpful customer support team who answered all my questions promptly. Overall, a seamless experience from start to finish.
Benjamin Moore –
The ECU arrived quickly and was exactly as described—installation was a breeze, and my R-Class runs perfectly now. Totally hassle-free and reliable!
Patrick Baker –
I was a bit nervous about ordering an ECM/ECU online, but this unit for my 2011 Mercedes R-Class exceeded my expectations. It arrived much faster than I anticipated, and the fact that it was already VIN programmed saved me so much hassle. Installation was straightforward—I just plugged it in and the car fired right up without any warning lights or errors. The difference in performance is noticeable, and it feels like my vehicle is running smoother than it has in years. Customer support was very helpful when I had a couple of questions before purchasing, which gave me added confidence. Overall, a seamless experience from start to finish.