Description
2009 Mercedes-Benz E550 5.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 Mercedes-Benz E550 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
Tyler Gonzalez –
I purchased the 2009 Mercedes E550 ECM and was really impressed with how smoothly everything went. The unit arrived quickly, and the free shipping was a nice bonus. What stood out most was the professional VIN programming service—they had it ready to go with no hassle. Their team also kept me in the loop throughout the process, which made the entire experience very reassuring.
Austin Graham –
I was really impressed with how quickly this ECM arrived—it was shipped fast and arrived right on time. Installation was straightforward since the unit was completely plug-and-play, which made the whole process smooth and hassle-free. Choosing this service saved me a ton compared to dealer prices, and their communication throughout was professional and clear. Overall, a great experience that I’d recommend to anyone needing an updated ECU for their E550.
Marcus Webb –
Shipping was super quick, and the ECU was truly plug-and-play. Saved me a bundle over dealership prices and the installation went without a hitch.
Miguel Bates –
The ECU arrived quickly with free shipping, and the plug-and-play setup worked flawlessly on my 2009 E550. Customer support was responsive and answered all my questions promptly.
Edward Campbell –
I needed a replacement ECM for my 2009 Mercedes E550 and was a bit nervous about ordering online, but this unit arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The shipping was surprisingly quick and very affordable, which was a nice bonus. What really impressed me was the clear communication from the seller—they kept me updated throughout the process and responded promptly when I had questions. Installation went smoothly thanks to the plug-and-play setup, and the car runs perfectly now. Overall, a seamless experience that made this repair much less stressful than I expected.