Description
2007 Mercedes-Benz CLS550 5.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2007 Mercedes-Benz CLS550 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: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Jorge Palmer –
Great quality ECM for my 2007 CLS550, arrived quickly with free shipping and worked perfectly right out of the box.
Justin Reynolds –
I was really impressed with the quick shipping on the 2007 Mercedes CLS550 ECM. The unit arrived perfectly programmed and was truly plug-and-play, making installation straightforward even for me. Choosing this service saved me a significant amount compared to dealer prices, and their communication throughout the process was clear and professional. Overall, a smooth experience that I would highly recommend.
Joel Evans –
Fast shipping and the ECU was truly plug-and-play. This saved me a ton compared to dealer prices and the installation went off without a hitch.
Max Marshall –
I was really impressed with how quickly this ECM arrived—it shipped out faster than I expected. When it showed up, it was completely plug-and-play, which made the installation process super straightforward even for someone like me who isn’t a professional mechanic. The VIN programming was spot on, so there were no hiccups getting everything to sync with my 2007 Mercedes CLS550. This service definitely saved me a ton of money compared to what the dealer quoted. Plus, their customer support was helpful and responsive whenever I had questions. Overall, a smooth and cost-effective experience from start to finish.
John Perez –
I purchased the 2007 Mercedes CLS550 ECM and was impressed by how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. They handled the VIN programming professionally, so the installation was hassle-free, and my car has been running perfectly since. Their clear communication throughout the process made me feel confident in my purchase.