Description
2012 Mercedes-Benz C250 1.8L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz C250 1.8L 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



Frank Taylor –
I’m really impressed with this ECM for my 2012 Mercedes C250. The unit arrived quickly, and installation was straightforward since it was fully programmed and plug-and-play. It saved me a ton compared to dealer prices, and the communication from the seller was clear and helpful throughout the process. Overall, a smooth experience from purchase to getting my car back on the road.
Mason Palmer –
I was really impressed with the quality of this ECU for my 2012 Mercedes C250. The unit arrived quickly with free shipping, which was a nice bonus. It was already VIN programmed, so installation was straightforward and hassle-free. Customer support was also very responsive when I had a couple of questions before ordering.
Brandon Lawrence –
I was really impressed with how quickly this ECM arrived—I placed the order and it was at my door in just a few days. Installing it was surprisingly simple since it was plug-and-play, which saved me a ton of time and hassle. The programming was spot on, matching my VIN perfectly, so the car started right up without any issues. If I had gone through the dealer, this repair would have cost me a fortune, so I’m genuinely thankful for this affordable option. The seller also kept me updated throughout the process, which gave me a lot of confidence. Overall, a smooth and professional experience from start to finish.
Dean King –
Fast shipping and the plug-and-play ECU worked perfectly on my 2012 C250. It saved me a fortune compared to dealer prices and installation was a breeze.
Samuel Gonzalez –
The ECU arrived quickly with free shipping, and it was perfectly programmed for my 2012 Mercedes C250—super easy plug-and-play installation. Their team kept me in the loop the entire time, which made the process stress-free.