Description
2014 Mercedes-Benz E400 3.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Mercedes-Benz E400 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
Brian Howard –
I was really impressed with how quickly the ECM arrived after I placed my order—shipping was faster than I expected. When I got the unit, it was truly plug-and-play, which made installation a breeze even though I’m not a professional mechanic. The ECU came already VIN programmed and updated, so I didn’t have to worry about compatibility issues. Choosing this option saved me a huge amount of money compared to what the dealer quoted for the same repair. Plus, the team’s communication was clear and helpful throughout the process, making the whole experience smooth and hassle-free.
Robert Marshall –
I ordered the 2014 Mercedes E400 ECM and was really impressed by how quickly it arrived. The unit was truly plug-and-play, making the installation straightforward and hassle-free. Compared to dealer prices, this saved me a significant amount of money, and their communication throughout the process was clear and professional. Overall, a great experience from start to finish.
Benjamin Graham –
Fast shipping and the ECU was truly plug-and-play. Saved me a bundle over dealer prices and installation was a breeze thanks to their clear guidance.
Scott Cooper –
The 2014 Mercedes E400 ECM arrived exactly as described and was VIN programmed perfectly for my vehicle. The plug-and-play setup made installation straightforward without any complications. Shipping was fast and reasonably priced, which was a nice bonus. I also appreciated their prompt responses when I had a couple of questions during the process.
Andrew Bailey –
ECU arrived quickly with free shipping and was perfectly programmed for my 2014 E400—installation was a breeze.
The team’s communication was top-notch; they answered all my questions promptly and ensured the ECU was VIN programmed exactly as promised.
Excellent quality and fast turnaround on the ECU, plus the plug-and-play setup saved me so much time.
Very impressed with the professional programming service, and shipping was surprisingly affordable given the part’s value.
Quick delivery and the ECU worked flawlessly from the moment I installed it—highly recommend these guys!