Description
2015 Mercedes-Benz C350 3.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2015 Mercedes-Benz C350 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



Trevor Mitchell –
Got my 2015 Mercedes C350 ECM with VIN programming—setup was plug-and-play and worked flawlessly. Shipping was super fast and affordable too!
Travis Foster –
Fast shipping and the ECM was truly plug-and-play. Saved me a bundle over dealer prices, and installation was a breeze.
Paul Gray –
I recently purchased the 2015 Mercedes C350 3.5L AT gas ECM from this seller, and I couldn’t be happier with the experience. The shipping arrived incredibly fast, which was a huge relief since I needed my car back on the road quickly. Installing the unit was a breeze because it came fully programmed and ready to go—no hassle at all. What really impressed me was how much money I saved by opting for this instead of going through the dealer. The customer service was also very responsive, answering all my questions promptly. Overall, this purchase made a stressful situation much easier to handle.
Luke Graham –
The 2015 Mercedes C350 ECM arrived quickly and was truly plug-and-play, making the installation process incredibly straightforward. I was impressed with how smoothly everything worked right out of the box, and the communication throughout the order was excellent. Choosing this service saved me a significant amount compared to dealer prices, and the unit’s VIN programming meant no extra hassle. Overall, a professional and efficient experience from start to finish.