Description
2011 Mercedes-Benz S-Class 5.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Mercedes-Benz S-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
Tyler King –
I was a bit nervous about ordering an ECM/ECU online, but this unit for my 2011 Mercedes-Benz S-Class worked flawlessly right out of the box. The VIN programming was spot on, so there was no need for any complicated reprogramming or trips to the dealer. Installation was straightforward—I had it swapped in and running within an hour. Shipping was quicker than I expected, which was a nice surprise. Overall, a great product that gave my car a new lease on life without any hassle. Highly recommend for anyone needing a reliable replacement unit.
Anthony Turner –
Arrived quickly and worked perfectly—installation was truly hassle-free. Couldn’t be happier with how smoothly it integrated into my S-Class.
Cameron Brooks –
The ECM/ECU arrived quickly and was exactly as described, pre-programmed to my VIN which saved me so much hassle. Installation was straightforward — it truly was plug and play, and the car fired right up with no issues. I’m impressed with the quality and how seamless the whole process was from ordering to driving. Definitely a reliable upgrade for my 2011 S-Class.