Description
2014 Mercedes-Benz GL350 3.0L AT diesel ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Mercedes-Benz GL350 3.0L AT diesel 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



Dylan Rivera –
I recently purchased the 2014 Mercedes GL350 3.0L AT diesel ECM from this seller, and I’m very pleased with the entire experience. The unit arrived quickly with free shipping, which was a great bonus. The ECU was already VIN programmed and ready to install, making the setup completely hassle-free. Communication was excellent throughout the process, and they promptly answered all my questions.
Paul Page –
I ordered the 2014 Mercedes GL350 3.0L AT diesel ECM and was really impressed with how fast it arrived. The unit was plug-and-play and worked perfectly right out of the box, which made the installation straightforward. The team’s communication was clear and helpful throughout the process, and their service ended up saving me a significant amount compared to dealer pricing. Overall, a smooth experience that I’d definitely recommend.
Patrick Lewis –
The ECU arrived quickly with free shipping, and the plug-and-play setup was flawless—highly recommend their service.
Brian Poole –
The plug-and-play unit arrived quickly and worked flawlessly—definitely saved me a ton compared to dealer prices. Great communication and super easy install.