Description
2018 Mercedes-Benz GLS63 4.0L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Mercedes-Benz GLS63 4.0L 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
Harrison Nelson –
The ECU arrived quickly with free shipping and was exactly as described, making installation straightforward. Their customer support also answered all my questions promptly.
Adam Burton –
Fast shipping and a truly plug-and-play unit that fit perfectly—saved me a bundle compared to dealer prices. Installation was smooth and customer support kept me informed the whole way.
Elliot Jenkins –
I purchased the 2018 Mercedes GLS63 4.0L AT ECM and was really impressed with the plug-and-play setup. It arrived quickly with free shipping, which was a nice bonus. The unit was perfectly programmed to my VIN and worked flawlessly right out of the box. The whole process was smooth and hassle-free, highly recommend for anyone needing a dependable ECU replacement.
Oliver Page –
The 2018 Mercedes GLS63 ECM arrived quickly and was exactly as described—completely VIN programmed and ready to go. Installation was straightforward with no issues, making it truly plug-and-play. What impressed me most was the professional support and how much money I saved compared to the dealer’s quote. Overall, a smooth experience from shipping to final setup.