Description
2012 Mercedes-Benz E300 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz E300 3.0L 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
Brandon Phillips –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 E300. Setup was plug-and-play, making the whole process hassle-free.
Jose Scott –
Fast shipping and the plug-and-play ECU worked perfectly, saving me a bundle compared to dealer prices. Installation was a breeze and the whole process was handled professionally.
Cooper Cook –
I was impressed with how quickly the ECU arrived, and the shipping was very reasonable considering the size of the unit. The VIN programming was done perfectly, and it was truly a plug-and-play replacement with no additional setup needed. Their team answered all my questions promptly, which made the whole process hassle-free. Overall, a reliable product with excellent support.