Description
2018 Mercedes-Benz SL550 4.7L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Mercedes-Benz SL550 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: 647-247-8555
Mark Wallace –
I purchased the 2018 Mercedes SL550 4.7L AT gas ECM, and the entire process was smooth and hassle-free. The unit came VIN programmed and ready to install, which saved me a lot of time. Shipping was very reasonable and arrived quicker than expected. The support team also answered all my questions promptly, making me feel confident in my purchase.
Sean Marshall –
Fast shipping and a truly plug-and-play ECM for my 2018 SL550—saved me a bundle versus the dealer. Installation was smooth, and the communication was top-notch throughout.
Paul Carter –
I was really impressed with how quickly the 2018 Mercedes SL550 ECM arrived — shipping was faster than I expected. The unit came fully programmed for my VIN and was truly plug-and-play, which made the installation straightforward without any hiccups. The customer support was very responsive and professional, answering all my questions promptly. Overall, this service saved me a significant amount compared to dealership prices and got my car back on the road in no time.
Harrison Hall –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2018 SL550—installation was a breeze.