Description
2014 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 2014 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
Brian Carter –
I recently purchased the 2014 Mercedes CLS63 5.5L AT gas ECM/ECU, and I’m really impressed with how smoothly the whole process went. The unit arrived quickly, and the shipping was very reasonable, which was a pleasant surprise. What stood out the most was the professional programming service they provided—the ECU came VIN programmed and ready to install, making it a true plug-and-play experience. I was a bit nervous about compatibility, but everything fit perfectly and the car runs flawlessly now. Customer support was also very helpful and responded promptly when I had questions along the way. Overall, a seamless and stress-free replacement.
Mason Young –
I purchased the 2014 Mercedes CLS63 5.5L AT gas ECM and was really impressed with the entire process. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was how professionally programmed the ECU was—the plug-and-play setup worked perfectly without any issues. The seller also kept me informed throughout, responding promptly to my questions, which made the whole experience smooth and hassle-free.
Anthony Carter –
I’m really impressed with this ECM for my 2014 Mercedes CLS63. The shipping arrived quickly, and the unit was truly plug-and-play, making installation a breeze. The communication from the seller was helpful and professional, which made the whole process smooth. This service saved me a ton compared to dealer prices, and the quick turnaround was a huge plus.
Mason Rogers –
Arrived quickly with free shipping and was exactly as described—programmed perfectly for my 2014 CLS63. The setup was plug-and-play, making the install a breeze.
Matthew Carter –
Received the ECM super fast, it was plug-and-play and saved me a ton compared to dealer prices. Installation was smooth and the communication was spot on.