Description
2017 Mercedes-Benz E300 2.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 Mercedes-Benz E300 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



Leo Roberts –
The plug-and-play setup was seamless, and their communication kept me informed every step of the way. Shipping was surprisingly quick too!
Jordan Moore –
I purchased the 2017 Mercedes E300 2.0L AT ECM and was impressed by how straightforward the plug-and-play setup was. The unit arrived quickly with very reasonable shipping costs, which was a nice bonus. Their team also provided clear communication throughout the process, answering my questions promptly. Overall, everything worked perfectly, and my car runs like new again.
Jack Hamilton –
I was a bit nervous ordering an ECM for my 2017 Mercedes E300, but this company made the process incredibly smooth. They offer professional programming service, so the unit arrived already configured for my VIN and was truly plug-and-play. Shipping was surprisingly quick and reasonable, which was a relief since I needed the part asap. Their communication stood out the most—they kept me updated every step of the way and answered all my questions promptly. After installing it, my car runs flawlessly, and I couldn’t be happier with the quality and service.
Connor Hill –
I purchased the 2017 Mercedes E300 ECM and was really impressed by how quickly it arrived—shipping was much faster than I expected. The unit was truly plug-and-play, making the installation process straightforward without any headaches. Compared to dealer prices, this saved me a significant amount of money, and the team’s communication throughout the process was clear and professional. Overall, a smooth experience from start to finish.
Jack Miles –
I was really impressed with how quickly the ECM arrived after I placed the order—it was shipped faster than I expected. Installing the unit was straightforward since it was plug-and-play, which made the whole process much less stressful than I anticipated. The fact that it came VIN programmed saved me a ton of hassle and time. Choosing this option over the dealer saved me a significant amount of money, and the communication from the seller was clear and professional throughout. All in all, a great experience that I’d recommend to anyone needing a reliable replacement.
Matthew Moore –
Super fast shipping and the ECU was truly plug-and-play. Saved me a bundle compared to dealer prices and installation was a breeze with their clear instructions.