Description
2012 Mercedes-Benz GL450 4.7L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz GL450 4.7L 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
Luis Foster –
I was a bit nervous about ordering a replacement ECM for my 2012 Mercedes GL450, but this unit arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The plug-and-play setup made installation straightforward, even though I’m not a professional mechanic. Shipping was surprisingly quick and didn’t cost an arm and a leg, which I really appreciated. The seller also kept me in the loop the whole time, promptly answering all my questions. Overall, this was a smooth experience and my SUV is running perfectly again.
Jorge Stewart –
I was really impressed with how quickly the ECM arrived after placing my order, and it worked perfectly straight out of the box. Installation was hassle-free since the unit was already VIN programmed, making it truly plug-and-play. Compared to the dealership quotes I got, this service saved me a significant amount of money without compromising on quality. The communication throughout the process was clear and professional, which made the whole experience stress-free.
Max Marshall –
Great experience—free shipping and the ECU arrived perfectly programmed, ready to install right away. Fast, professional service with clear communication throughout.
Jason Rivera –
Fast shipping and the plug-and-play ECU fit perfectly in my 2012 GL450 — saved me a ton compared to dealer prices. The process was smooth and the communication top-notch.
Trevor Phillips –
I was a bit nervous ordering an ECU online, but this 2012 Mercedes GL450 ECM arrived exactly as described and was already VIN programmed, which saved me a lot of hassle. The setup was truly plug-and-play, and my truck started right up without any issues. The shipping was surprisingly fast and free, which was a nice bonus. Throughout the process, the seller kept me informed and answered all my questions promptly. Overall, a smooth experience and high-quality product—I’m very satisfied.
Jose Bell –
I was really impressed with how quickly this ECM arrived after I placed my order—shipping was definitely faster than I expected. When it came time to install, it was truly plug-and-play, which made the whole process stress-free even for someone like me who isn’t a mechanic. The VIN programming was spot on, and my GL450 started up perfectly right away. Choosing this option saved me a ton compared to what the dealer quoted, and the communication from the seller was clear and helpful throughout. Overall, a smooth experience that got my truck back on the road without breaking the bank.
Eric Bates –
I recently purchased the programmed ECM for my 2012 Mercedes GL450, and the whole process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. They provided a plug-and-play setup that made installation straightforward, and my vehicle has been running flawlessly ever since. Customer service was also very responsive when I had a couple of questions before ordering.