Description
2011 Mercedes-Benz C300 3.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Mercedes-Benz C300 3.5L 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
Mark Young –
Fast shipping and plug-and-play unit made installation a breeze; saved me a bundle versus dealer prices. Great communication and professional service all around.
Allan Brown –
I was really impressed with the whole experience buying this ECM for my 2011 Mercedes C300. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was that it came VIN programmed and ready to install, so I didn’t have to worry about any complicated setup. The quality feels top-notch, and my car runs perfectly now without any error lights. Their team also kept me in the loop throughout the process, which gave me confidence that I was getting exactly what I needed. Overall, a smooth and hassle-free purchase from a reliable seller.
Leo Campbell –
I’m really impressed with the 2011 Mercedes C300 ECM I received. The shipping was super fast, and the unit was truly plug-and-play, which made installation hassle-free. Compared to the dealer’s quotes, this service saved me a significant amount of money. Communication was clear throughout, and the whole process was smooth from start to finish.
Joel Walker –
I purchased the 2011 Mercedes C300 3.5L AT ECM recently, and I’m very impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice surprise. They also provide professional VIN programming, so installation was straightforward and hassle-free. Customer support was responsive and answered all my questions promptly, making the whole process much easier.
Carlos Moore –
The VIN programmed ECU arrived fast with free shipping, and it worked seamlessly right out of the box—highly recommend!
Excellent communication throughout the process, and their professional programming service made installation a breeze.
Quality repair and very reasonable shipping time; the ECM fit perfectly and my C300 runs like new again.
They answered all my questions quickly and the updated ECU was ready to go with no hassle at all.
Fast turnaround and plug-and-play setup saved me a ton of time—definitely worth it!