Description
2011 Mercedes-Benz C300 2.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Mercedes-Benz C300 2.0L AT gas models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Jordan Jenkins –
Fast shipping and the plug-and-play unit worked perfectly—definitely saved me a bundle compared to dealer prices. Installation was a breeze and customer support was spot on.
Jose Smith –
I was really impressed with the quality of the programmed ECM for my 2011 Mercedes C300. The plug-and-play setup made installation straightforward and hassle-free. They also provided excellent communication throughout the process, promptly answering all my questions. Plus, the shipping was very reasonable, which was an added bonus.
Cole Ramirez –
The VIN programming was flawless, and their quick responses made the whole purchase stress-free. Plus, free shipping was a great bonus.
Noah Hall –
I was a bit nervous ordering an ECU online for my 2011 Mercedes C300, but this company made the process really smooth. The unit arrived quickly with free shipping, which was a nice bonus. They had already VIN programmed the ECM, so installation was just plug-and-play—no need for me to fuss with extra programming steps. I did have a couple of questions before buying, and their team responded promptly and clearly, which gave me confidence in the purchase. Once installed, my car runs perfectly, and I couldn’t be happier with the quality. Definitely recommend if you want hassle-free service and top-notch parts.
Bruce Bates –
I was really impressed with how quickly the ECM arrived after I placed my order. The unit was completely plug-and-play, which made swapping it out much easier than I expected. The updated, VIN-programmed module worked perfectly right away, and the customer support team was very responsive when I had a couple of questions. Overall, this service definitely saved me a significant amount compared to what the dealer quoted.