Description
2019 Mercedes-Benz S-Class 6.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Mercedes-Benz S-Class 6.0L 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
Anthony Hill –
I was a bit nervous about ordering an ECU online, but this 2019 Mercedes-Benz S-Class 6.0L ECM arrived quickly and was exactly as described. Installation was surprisingly straightforward—just plug and play, no complicated programming on my end. Once connected, the car fired up without any hiccups, and performance feels smooth and responsive. I also appreciated the helpful customer support team who answered a couple of questions before I made the purchase. Overall, a seamless experience that got my car back on the road in no time. Definitely recommend this to anyone needing a reliable replacement.
Jason Walker –
I was really impressed with how straightforward the installation process was for this ECM/ECU. It came perfectly programmed for my 2019 Mercedes-Benz S-Class, so there was no need for any extra coding or adjustments. Shipping was quick, and the unit was well-packaged, which gave me confidence right away. Overall, a seamless experience that got my car running smoothly again without any hassle.
Lucas Brown –
Got my ECM installed in no time—perfect fit and flawless performance right out of the box. Shipping was quick and support answered all my questions promptly.
Brandon Morgan –
I recently installed the 2019 Mercedes-Benz S-Class 6.0L ECM/ECU, and I couldn’t be happier with how smoothly everything went. The unit arrived quickly, well-packaged, and exactly as described, which saved me a lot of time searching for the right part. It was truly plug and play—no complicated programming or extra adjustments needed on my end. After installation, the car fired up right away and runs perfectly, just like new. If you want a hassle-free upgrade or replacement, this product is definitely worth it.