Description
2010 Mercedes-Benz R350 3.0L AT diesel ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2010 Mercedes-Benz R350 3.0L AT diesel 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: 647-247-8555



Chase Tucker –
I was really impressed with how quickly the ECM arrived—shipped faster than I expected. The unit was truly plug-and-play, which made installation straightforward, even for someone with basic mechanical skills. This updated ECU saved me a significant amount compared to dealer prices, and the communication with the seller was clear and helpful throughout the process. Overall, a smooth experience from start to finish.
Austin Johnson –
The ECU arrived quickly with free shipping and was already VIN programmed, making installation a breeze. Customer support was responsive and helped me every step of the way.
Kyle Scott –
Fast shipping and the ECU was truly plug-and-play. Saved a ton versus dealer prices, plus installation went without a hitch.
Travis Bailey –
I had been struggling with my 2010 Mercedes R350’s diesel engine control module, and this updated ECM came as a perfect solution. What impressed me most was how quickly they programmed the unit to my VIN and shipped it with no extra cost. Installation was straightforward thanks to the plug-and-play setup, which saved me a lot of hassle. Throughout the process, their team was very responsive and answered all my questions promptly. The engine runs smoothly now, and I couldn’t be happier with the quality and service. Highly recommend this for anyone needing a reliable ECM replacement.
Jason Lewis –
I recently purchased the 2010 Mercedes R350 3.0L AT diesel ECM from this seller, and I couldn’t be happier with the experience. The ECU arrived quickly and was already VIN programmed, which made installation a breeze. I appreciated how the team kept me informed throughout the process and responded promptly whenever I had questions. Shipping was also free, which was a nice bonus and saved me some extra costs. Overall, the quality of the unit exceeded my expectations, and my car runs smoothly again thanks to this replacement.
Kevin Johnson –
I purchased the 2010 Mercedes R350 3.0L diesel ECM and was really impressed by how smooth the entire process was. The unit arrived quickly with free shipping, which was a nice bonus. The ECU came VIN programmed and ready to install, making it a true plug-and-play experience. Customer support was very responsive and helped answer my questions promptly, which gave me confidence in the purchase.