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



Samuel Mitchell –
The 2011 Mercedes-Benz E-Class ECM arrived quickly and was exactly as described, with the VIN perfectly programmed. Installation was straightforward—truly a plug-and-play experience without any complications. After swapping it in, my car fired right up and runs smoothly, just like new. I appreciate the solid quality and clear instructions that made the process hassle-free.
Jorge Carter –
I recently installed this 2011 Mercedes-Benz E-Class 3.5L ECM/ECU and was genuinely impressed by how seamless the entire process was. The unit arrived much quicker than I expected, and everything came perfectly packaged. Since it was already VIN programmed, I just plugged it in and everything fired up without a hitch—no headaches, no extra trips to the shop. I also appreciated the helpful customer support who answered a couple of questions I had before installation. Overall, it saved me a lot of time and hassle, and my car runs like new again. Highly recommend this for anyone needing a reliable, ready-to-go replacement!
Nathan Murphy –
This ECM fit perfectly in my 2011 E-Class with zero hassle—installed in minutes and everything runs flawlessly. Fast delivery and solid support made the whole experience smooth.
Chris King –
I was a bit nervous about replacing the ECM on my 2011 Mercedes E-Class, but this unit arrived perfectly programmed and ready to go right out of the box. Installation was surprisingly straightforward, and it was true plug-and-play — no extra coding or trips to the dealership needed. After the swap, my car fired up flawlessly, and all systems have been running smoothly ever since. The whole process saved me a ton of time and hassle, plus the seller was quick to respond when I had a couple of setup questions. Definitely recommend this for anyone facing ECM troubles on their Merc!