Description
2009 Mercedes-Benz SL550 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 SL550 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
Chase Howard –
The 2009 Mercedes SL550 ECM arrived quickly and was exactly as described. Installation was straightforward since the unit was pre-programmed and plug-and-play, which saved me a ton compared to dealership prices. The communication was clear and professional throughout the process, making the whole experience stress-free. I’m very satisfied with the smooth performance since the replacement.
Matthew Nichols –
I was really impressed with how quickly the ECM arrived after placing my order—the shipping was surprisingly fast. Installing it was a breeze since it came fully programmed and plug-and-play, which saved me a ton of hassle. Compared to the dealership’s outrageous quotes, this solution saved me a significant amount of money without compromising quality. The communication throughout the process was clear and professional, making me feel confident in my purchase. Overall, it worked perfectly in my 2009 Mercedes SL550 and got my car running smoothly again in no time.
Shane Edwards –
I was really impressed with how smoothly everything went ordering the 2009 Mercedes SL550 ECM. The unit arrived quickly with free shipping, which was a nice surprise. The best part was the professional programming service they provided—once installed, my car fired right up and everything ran perfectly. Throughout the process, the seller kept me in the loop with updates, so I never felt left wondering about the status. It’s clear they know their stuff and stand behind their products. Highly recommend if you need a reliable ECM replacement.
Jorge Foster –
Fast shipping and a plug-and-play unit made installation a breeze, and I saved a bundle compared to dealer prices. Great communication and professional service throughout.
Connor Sharp –
I was impressed with how quickly the ECU arrived, and the free shipping was a nice bonus. The unit was already VIN programmed, which made installation straightforward with no extra hassle. Their team also answered a few questions I had right away, making the whole process smooth and stress-free. Overall, the quality of the ECM exceeded my expectations.
Robert Hill –
Received my 2009 SL550 ECU quickly with free shipping, and the plug-and-play setup was flawless. Great communication throughout the process!