Description
2017 Mercedes-Benz SLC43 3.0L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 Mercedes-Benz SLC43 3.0L 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: 647-247-8555




Marcus Brown –
The plug-and-play ECM arrived quickly and worked perfectly, saving me a bundle compared to dealer prices. Communication was clear and installation went without a hitch.
Adrian Rogers –
I was really impressed with how quickly the ECM arrived after ordering—it was definitely faster than I expected. The unit was fully programmed to my VIN and truly plug-and-play, which made installation straightforward and hassle-free. This saved me a huge amount compared to dealer pricing, and the communication from the seller was clear and professional throughout the process. Overall, a great experience and I’d recommend it to anyone needing a reliable replacement.
Sean Cox –
I was really impressed with how quickly the ECM arrived after I placed my order—much faster than I expected. The unit was fully programmed to my VIN and truly plug-and-play, which made installation a breeze even though I’m not an expert mechanic. Compared to the dealer’s quote, this service saved me a significant amount of money without sacrificing quality. The communication throughout the process was clear and professional, so I always knew what was going on. Overall, a smooth experience from start to finish that got my 2017 Mercedes SLC43 back on the road in no time.
Hunter Wright –
The ECU arrived quickly with free shipping, and the plug-and-play setup was flawless—couldn’t be happier with the service.
Excellent communication throughout the process, and the updated ECM worked perfectly right out of the box.
Super fast turnaround and the programming service was spot-on, making installation a breeze for my SLC43.
Shipping was very reasonable, and the quality of the VIN programmed ECU exceeded my expectations.
They answered all my questions promptly, and the ECM arrived ready to install with no hassle at all.