Description
2019 Mercedes-Benz SLC-Class 3.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Mercedes-Benz SLC-Class 3.0L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $200 CAD / $140 USD
A prepaid shipping label will be emailed to you.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Luke Gonzalez –
Exactly what I needed for my SLC—arrived quickly and was a breeze to install with no hassles. Great quality and fit!
Ryan Hall –
I was a bit nervous about replacing the ECM on my 2019 Mercedes-Benz SLC-Class, but this unit made the process incredibly smooth. It arrived quickly and was already VIN programmed, which saved me so much time and hassle. Installation was truly plug and play—I just swapped it out, and the car fired right up without any issues. The quality feels top-notch, and it’s been running perfectly ever since. I also appreciated the clear communication from the seller throughout the process, which made me feel confident in my purchase. Highly recommend this if you need a reliable replacement!
Mason Smith –
I was a bit nervous about ordering an ECM for my 2019 Mercedes-Benz SLC-Class, but this unit exceeded all my expectations. The VIN programming was spot on, which made installation incredibly smooth — I literally just plugged it in and everything fired up perfectly. Shipping was quicker than I anticipated, arriving well ahead of schedule which saved me from being without my car for long. The car runs like new again, and I haven’t experienced any glitches since the swap. It’s clear this product is designed with genuine care and precision.
From start to finish, the experience with this ECM was seamless. The plug-and-play setup truly lived up to the description, which made the whole process hassle-free even for someone like me who isn’t a mechanic. I appreciated the customer support team’s patience when I called with a few questions before ordering; they helped me confirm compatibility with my SLC-Class without any confusion. Now, my convertible drives smoothly and confidently, and I’m very happy with this purchase
Daniel Wright –
The ECM arrived quickly and was exactly as described for my 2019 Mercedes-Benz SLC-Class. Installation went smoothly with no complicated programming steps since it came VIN programmed, which saved me a lot of time. After swapping it in, the car fired up perfectly and runs like new. Really impressed with the quality and how hassle-free the whole process was.