Description
2012 Mercedes-Benz E350 3.5L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz E350 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: 647-247-8555
Ethan Lopez –
I’m really impressed with this ECM for my 2012 Mercedes E350. The shipping arrived quicker than I expected, and the unit was truly plug-and-play—installation was straightforward with no issues. Compared to the dealer’s price, this option saved me a significant amount of money. The seller’s communication was professional and responsive, making the whole process smooth from start to finish.
Jeremy Chapman –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 Mercedes E350. Great service and hassle-free install!
Travis Payne –
Fast shipping and the unit was truly plug-and-play—saved me a ton versus dealer pricing. Installation went smoothly thanks to their clear communication and quick service.