Description
2015 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 2015 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
Zachary Allen –
I was a bit nervous ordering an ECM online, but this 2015 Mercedes E400 3.5L unit arrived quickly with free shipping, which was a nice bonus. The ECU was already VIN programmed, so installation was straightforward and it worked perfectly right out of the box. I appreciated how the seller kept me informed throughout the entire process, answering all my questions promptly. It really saved me a trip to the dealer, and my car runs smoothly again. Highly recommend if you need a reliable, hassle-free replacement.
Max Poole –
I was really impressed with how quickly the ECM arrived and how simple it was to install—it truly was plug-and-play with no extra programming needed on my end. The updated unit fit my 2015 Mercedes E400 perfectly and worked flawlessly right away. Plus, the price was a fraction of what the dealer quoted me, which saved a ton of money. Communication with the seller was smooth throughout, making the whole process stress-free.
Trevor Howard –
The ECU arrived quickly with free shipping, and the plug-and-play setup was flawless—my E400 runs perfectly now.
Great communication throughout the process, and the professional programming service made installation hassle-free.
Impressed by the fast turnaround and the flawless performance of the updated ECM on my 2015 Mercedes E400.
They answered all my questions promptly, and the reasonable shipping cost was a nice bonus for such a high-quality ECU.
The VIN programmed ECM fit perfectly, and the entire process was smooth thanks to their expert programming service.
Jacob Perez –
I was really impressed with how quickly this ECM arrived after I placed my order. When I got it, everything was already programmed to my VIN, making the installation completely hassle-free. It was literally plug-and-play, which saved me a ton of time and stress compared to dealing with the dealer. The quality feels solid, and my E400 is running perfectly now. On top of that, their communication throughout the process was clear and professional. This purchase definitely kept a lot of money in my pocket without sacrificing quality or service.
Liam Parker –
I was impressed with how quickly this ECM arrived, especially with the free shipping included. The unit was already VIN programmed and worked perfectly right out of the box, which saved me a lot of hassle. The communication from the seller was top-notch—they kept me informed throughout the process and answered all my questions promptly. Definitely a reliable buy for anyone needing an ECU replacement.
Diego Hall –
I was really impressed with the quality of the ECM for my 2015 Mercedes E400. The fact that it came VIN programmed saved me a ton of time and hassle, and the plug-and-play setup was seamless. Shipping was surprisingly quick and free, which was a nice bonus. Throughout the process, the seller kept me updated on the status, making me feel confident about my purchase. My car is running flawlessly now, and I wouldn’t hesitate to buy from them again.
Matthew Brooks –
Fast shipping and a plug-and-play unit made installation a breeze. This ECU saved me a ton compared to dealer prices and the communication was top-notch.