Description
2011 Mercedes-Benz C-Class 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Mercedes-Benz C-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
Mark Morris –
I was a bit nervous ordering an ECU online, but this 2011 Mercedes-Benz C-Class 3.5L ECM arrived quickly and was exactly as described. Installation was smooth—just plugged it in, and everything fired up without a hitch. The car runs flawlessly now, no warning lights or issues at all. The team behind the product was very responsive when I had a couple of questions before buying. Overall, a hassle-free experience that got my Benz back on the road in no time. Highly recommend!
Noah Richardson –
The ECM arrived quickly and was exactly as described, fully programmed to my VIN, which saved me a ton of time. Installation was straightforward, truly plug-and-play with no extra programming needed on my end. After swapping it out, my C-Class started right up and runs smoothly, just like new. I’m really impressed with the quality and service provided.
Jack Johnson –
Arrived quickly and worked perfectly—installed without a hitch on my 2011 C-Class. Highly recommend for anyone needing a reliable ECM!
Super easy swap, no programming hassle after plugging it in. Definitely saved me time and a headache!
This ECM was exactly as described and fit my Mercedes flawlessly. Fast shipping and smooth installation made this a no-brainer purchase.
Plugged it right in; the car fired up instantly with no issues. Great quality and excellent customer support when I had questions.
Perfect fit and VIN programmed, so it was ready to go immediately. Made upgrading my C-Class a breeze!
Cameron Scott –
I was a bit nervous about replacing the ECM on my 2011 Mercedes-Benz C-Class, but this unit arrived exactly as promised and was already programmed to my VIN. Installation was a breeze—just plugged it right in without any issues. My car fired up immediately and has been running perfectly since. Shipping was surprisingly quick too, which helped get me back on the road faster than I expected. Overall, this product saved me a lot of hassle and money compared to dealer options. Highly recommend for anyone needing a reliable replacement.