Description
2012 Mercedes-Benz E350 3.0L AT diesel ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz E350 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: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Kyle Douglas –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 E350—installation was a breeze. Their team answered all my questions promptly, making the whole process smooth and stress-free.
Russell Green –
I purchased the VIN programmed ECM for my 2012 Mercedes E350 diesel and couldn’t be happier with the seamless plug-and-play setup. The team provided professional programming service that made installation straightforward, saving me a lot of time and hassle. Shipping was very reasonable, and the part arrived quickly and in perfect condition. Their support staff also answered all my questions promptly, which made the entire process stress-free.
Paul James –
I was really stressed when my 2012 Mercedes E350’s ECM failed, but this VIN programmed unit arrived faster than I expected. The shipping was surprisingly quick, which helped me get my car back on the road in no time. Installation was straightforward—plug-and-play with no extra hassle—and saved me a fortune compared to the dealer’s quote. The whole process felt smooth, and the team was responsive when I had a couple of questions. Overall, fantastic service and a product that works perfectly.
Jeremy Torres –
I was a bit nervous about ordering an ECM online for my 2012 Mercedes E350, but this service exceeded my expectations. The unit arrived quickly with free shipping, which was a great bonus. What impressed me most was how professional the programming service was—they took care of all the VIN matching before sending it out, so it was truly plug-and-play. Installation was straightforward, and my car is running smoothly now without any error codes. Customer support answered all my questions promptly, making the whole experience stress-free. I highly recommend this company for anyone needing a reliable ECU solution.
Jose Torres –
I was a bit nervous ordering a programmed ECM online, but this 2012 Mercedes E350 3.0L diesel unit arrived quickly with free shipping, which was a nice bonus. The best part was how well it was programmed to my VIN — it was truly plug-and-play. Installation went smoothly, and my car started right up without any hiccups. The seller also kept me informed every step of the way, which made the whole process stress-free. It’s hard to find this level of professionalism when buying used parts, so I’m very pleased with my purchase.
Chris Young –
Fast shipping and plug-and-play installation made this ECM a hassle-free fix. Saved me a bundle compared to dealer prices and the customer service was top-notch.
Jack Graham –
I was really impressed with how quickly this ECM arrived—it was shipped faster than I expected. The unit came fully programmed and was truly plug-and-play, making installation a breeze. Choosing this option saved me a significant amount compared to dealer pricing, and the seller kept me updated throughout the process. Overall, a smooth experience with excellent service.