Description
2018 Mercedes-Benz CLS550 4.7L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Mercedes-Benz CLS550 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
Logan Wallace –
I purchased the 2018 Mercedes CLS550 ECM and was really impressed with the entire process. The unit arrived quickly with free shipping, which was a nice bonus. What stood out to me was the professional VIN programming service—once installed, it worked perfectly without any issues. The seller also kept me informed throughout, answering my questions promptly, making the whole experience smooth and hassle-free.
Spencer Murray –
I was really impressed with how quickly the ECM arrived after I placed the order—the shipping was faster than I expected. When I got the unit, it was fully programmed and plug-and-play, so installation was a breeze. This saved me a ton of money compared to the dealer’s quote, which was shockingly high. The seller stayed in touch throughout the process, answering my questions promptly and making sure everything went smoothly. Overall, the whole experience was hassle-free and I’m really happy with how my CLS550 is running now.
Mason James –
The ECU arrived quickly with free shipping, and their plug-and-play setup made installation a breeze. Great quality and smooth communication throughout the process.
Hunter Richardson –
Fast shipping and a true plug-and-play fit—this ECM saved me a bundle versus dealer pricing. Installation was smooth and the team’s communication was spot on.
Robert Kelly –
The 2018 Mercedes CLS550 ECM arrived quickly and was exactly as described—plug-and-play with no issues during installation. This saved me a ton compared to dealer pricing, and the whole process was smooth and hassle-free. Communication with the seller was clear, which made me confident throughout the purchase. Highly recommend for anyone looking to replace their ECU without breaking the bank.