Description
2009 Mercedes-Benz GL550 5.5L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 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: 647-247-8555
Elijah Tucker –
I was really impressed with how quickly the ECM arrived, especially since it came fully VIN programmed and ready to go. Installation was straightforward—just unplug the old unit and plug in this one, no hassle at all. The communication from the seller was clear and helpful, which made the whole process stress-free. This saved me a ton compared to the dealership repairs, and my GL550 runs perfectly now.
Zachary Cooper –
I purchased the 2009 Mercedes GL550 ECM from this seller and was impressed by the smooth plug-and-play setup. The unit arrived quickly with free shipping, which was a nice bonus. They also kept me informed throughout the process, answering my questions promptly and making sure everything was programmed correctly for my VIN. Overall, a hassle-free experience and the vehicle runs perfectly now.
Harvey Murray –
I was really impressed with how quickly this ECM arrived—shipping was surprisingly fast, which was a huge relief since I needed it fixed ASAP. When it came time to install, the unit was truly plug-and-play, and everything worked perfectly right out of the box. I was ready to spend a fortune at the dealer, but this purchase saved me a ton of money without sacrificing quality. The whole process was smooth, and the team behind the product was very responsive when I had questions. Overall, it was a great experience, and my GL550 is running like new again.
Spencer Rivera –
Fast shipping and a true plug-and-play unit made installation a breeze, plus I saved a ton compared to dealer prices. Great communication and professional service all around.
Caleb Willis –
ECU arrived quickly with free shipping, and the plug-and-play setup was flawless—my GL550 runs perfectly now.
Great service with fast programming and excellent communication throughout the whole process.
The updated ECU fit my 2009 GL550 perfectly, and their quick responses to my questions made everything stress-free.
Logan Gray –
I was really impressed with the entire process of purchasing this 2009 Mercedes GL550 ECM. From the moment I placed the order, they kept me in the loop with frequent updates, which made the wait much less stressful. The ECU arrived exactly as described, already VIN programmed, and installation was straightforward thanks to their plug-and-play setup. Shipping was surprisingly fast and very affordable, which was a nice bonus. After installation, my vehicle ran perfectly without any issues, so I’m very happy with the quality and service provided. Overall, a seamless experience that I would definitely recommend to anyone needing a reliable ECM.