Description
2012 Mercedes-Benz CLS63 5.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz CLS63 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
Jonah Burton –
I was a bit nervous ordering an ECM online for my 2012 Mercedes CLS63, but this company made the process seamless. The unit arrived faster than I expected, and I really appreciated the free shipping. What impressed me most was their programming service—they sent the ECU already VIN programmed and ready to install. After hooking it up, everything worked perfectly with no hiccups. Their team also answered my questions quickly when I reached out for clarification, which gave me extra confidence. Overall, a fantastic experience from start to finish.
Jonah Reynolds –
Shipping was speedy and the ECU was truly plug-and-play, making installation a breeze. This saved me a ton compared to dealer prices, and their communication was spot on.
Owen Collins –
I purchased the 2012 Mercedes CLS63 5.5L AT gas ECM, and it arrived quickly with free shipping, which was a nice bonus. The unit was VIN programmed and ready to install right out of the box, making the swap hassle-free. The quality is impressive, and the car runs smoothly now. Customer service was responsive and kept me informed every step of the way, which gave me confidence during the process.
Dean Adams –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 Mercedes CLS63—installation was a breeze. Communication was spot-on; they answered all my questions promptly.