Description
2012 Mercedes-Benz GL550 5.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz GL550 5.5L 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
Cameron Phillips –
Fast shipping and the ECU was truly plug-and-play. Saved me a bundle compared to dealer pricing and installation went without a hitch.
Adam Peterson –
I was really impressed with how quickly this ECM arrived after I placed my order—shipping was faster than I expected. The unit came fully programmed for my 2012 Mercedes GL550, so installation was straightforward and truly plug-and-play, which saved me a ton of hassle. I was hesitant at first, but the seller’s communication was clear and professional throughout the process, making me feel confident. Compared to the steep prices at the dealership, this solution saved me a lot of money without compromising quality. Once installed, my truck ran smoothly again, and I couldn’t be happier with how easy the whole experience was.
Dylan Wallace –
The ECU arrived fast with free shipping, and the plug-and-play setup was flawless—highly recommend!
Blake Miles –
I was really impressed with how quickly the ECM arrived after I placed my order—shipping was surprisingly fast. The unit was truly plug-and-play, making installation straightforward without any headaches. This saved me a significant amount compared to dealer prices, and the communication throughout the process was clear and professional. Overall, a smooth experience from start to finish.