Description
2009 Mercedes-Benz S450 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2009 Mercedes-Benz S450 3.0L 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: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Mark Wallace –
I ordered the 2009 Mercedes S450 3.0L ECM and was pleasantly surprised by how quickly it arrived. The unit was completely plug-and-play, making installation straightforward without any issues. Compared to dealer prices, this service saved me a significant amount of money, and their communication throughout the process was professional and prompt. Overall, a smooth experience that I would recommend to anyone needing an ECU replacement.
Neil Watson –
I was really impressed with how quickly the 2009 Mercedes S450 ECM arrived—shipping was definitely faster than I expected. When it came to the install, the unit was truly plug-and-play, which made the whole process stress-free, even for someone like me who’s not a mechanic. The communication from the seller was clear and professional throughout, answering all my questions promptly. This saved me a bundle compared to what the dealer quoted for the repair. After installation, my car ran perfectly, just like new. It’s great to find a reliable service like this that combines quality with affordability.
Scott Ramirez –
Fast shipping and the unit was truly plug-and-play, saving me a bundle compared to dealer prices. Installation was smooth and the whole process was hassle-free.
Max Page –
The ECU arrived quickly with free shipping, and it was already VIN programmed, making installation a breeze. Great quality and smooth communication throughout the process.