Description
2012 Mercedes-Benz C350 3.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz C350 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
Nicholas Morris –
I’m really impressed with how quickly this ECU arrived—shipping was super fast. The unit was truly plug-and-play, and I had it installed without any issues. The updated VIN programming worked perfectly from the start, and the cost was a fraction of what the dealer quoted me. Their customer service was also very responsive and made the whole process smooth and hassle-free.
Dominic Morris –
I was impressed with how smoothly the VIN programming was handled on this ECM for my 2012 Mercedes C350. The plug-and-play setup made installation straightforward, and the quality of the updated unit exceeded my expectations. Shipping was very reasonable, and the whole process was much faster than I anticipated. Definitely a reliable source for ECU replacements.
Liam Phillips –
I was a bit nervous ordering an ECU online, but this 2012 Mercedes C350 unit arrived exactly as described and already VIN programmed, which saved me a ton of hassle. The shipping was surprisingly fast and free, which was a huge plus. What really stood out was how the seller kept me updated throughout the process and quickly answered all my questions. Installing the ECU was straightforward thanks to their plug-and-play setup, and my car runs perfectly now. Overall, a smooth and professional experience that I’d recommend without hesitation.
Robert Foster –
The ECU arrived quickly with free shipping, and the plug-and-play setup made installation a breeze. Communication was excellent throughout the process.
Justin Barrett –
Fast shipping and plug-and-play setup made this ECM swap a breeze, saving me a ton compared to dealer prices. Great communication and super smooth install.