Description
2018 Mercedes-Benz C63 4.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Mercedes-Benz C63 4.0L 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
Brian Hill –
I had been hunting for a replacement ECM for my 2018 Mercedes C63 4.0L, and this unit was exactly what I needed. The VIN programmed module arrived quickly, and shipping was surprisingly affordable considering the size of the part. What impressed me most was how smoothly the plug-and-play setup went—just swapped it in, and my car fired up without a hitch. The quality feels top-notch, and I haven’t noticed a single hiccup since the installation. Their customer service was also responsive when I had a couple of questions before purchasing, which gave me confidence in my buy. Overall, a five-star experience from start to finish.
Logan Tucker –
I recently purchased the 2018 Mercedes C63 4.0L AT gas ECM/ECU, and I’m really impressed with the entire process. The ECU arrived quickly, and what stood out to me was the professional VIN programming service they included—everything was ready to go right out of the box. Their team also kept me in the loop throughout the shipping and setup, which made me feel confident that I was in good hands. Installation was smooth, and my car runs perfectly now, just like new. I’ll definitely consider them again for future repairs.
Tyler Edwards –
Fast shipping and plug-and-play setup made this ECU swap a breeze, saving me a bundle compared to dealer prices. Great communication and super quick turnaround really impressed me.
Bruce Green –
Received my programmed ECM quickly with free shipping, and it plugged right into my C63 with no issues. Excellent service all around!
Spencer Young –
The 2018 Mercedes C63 4.0L ECM arrived quickly and was truly plug-and-play, making installation hassle-free. The VIN programming was spot on, so the car fired up without any issues. Opting for this unit over dealer repairs saved me a significant amount, and the seller’s communication was clear and timely throughout the process. Overall, a smooth experience that I highly recommend.
Matthew Bailey –
I purchased the 2018 Mercedes C63 ECM from this seller, and I’m very pleased with the quality and fit. The unit arrived quickly with free shipping, which was a nice bonus. They also provided excellent communication throughout the process, answering my questions promptly and keeping me informed about the programming status. Installation was straightforward, and my car is running perfectly now.