Description
2012 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 2012 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
Matthew Jenkins –
The ECU arrived quickly with free shipping and was already VIN programmed, making installation a breeze. Communication was spot on, and the car runs perfectly now.
Logan Miles –
I had a great experience purchasing the 2012 Mercedes CLS550 ECM from this seller. The unit arrived quickly with free shipping, which was a nice bonus. What impressed me the most was the professional programming service—they programmed the ECU to my VIN before shipping, so installation was completely hassle-free. Throughout the process, their team kept me updated and answered all my questions promptly, which made me feel confident about the purchase. After installing the unit, my car is running perfectly, just like new. I highly recommend them to anyone needing a reliable ECM.
John Webb –
I ordered the 2012 Mercedes CLS550 ECM and was impressed by how quickly it arrived with free shipping. The unit came VIN programmed and ready to install, making the swap hassle-free. Their support team was very responsive, answering all my questions promptly. The car started right up and runs flawlessly now—great quality and service overall.
Spencer Douglas –
Fast shipping and a true plug-and-play unit that saved me a bundle compared to dealer prices—installation was a breeze and the communication was spot on.
Paul Miles –
I was really impressed with how quickly the ECM arrived after I placed the order—shipping was definitely faster than I expected. The unit was plug-and-play, making the installation process straightforward and hassle-free. Choosing this service saved me a significant amount compared to the dealer, and their communication throughout the process was clear and professional. Overall, a smooth experience from start to finish.
Noah Roberts –
I had some trouble with the ECM on my 2012 Mercedes CLS550, and this unit was exactly what I needed. The VIN programming was spot on, so installation was straightforward with no hiccups. What impressed me the most was how quickly they shipped the part—free shipping too, which was a nice bonus. The quality feels top-notch, and my car runs smoothly now without any error codes. Definitely saved me a lot of hassle and money compared to dealer options.