Description
2016 Mercedes-Benz C-Class 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 Mercedes-Benz C-Class 4.0L 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



Caleb Morris –
I was a bit nervous about ordering an ECM for my 2016 Mercedes-Benz C-Class, but this unit exceeded all my expectations. The programming was spot-on for my VIN, and installation was surprisingly straightforward—literally plug and play. It arrived quicker than I anticipated, and when I had a small question about setup, their support team was friendly and knowledgeable, guiding me through with ease. Since swapping it out, my car runs smoother and feels like it just rolled off the lot again. Definitely worth every penny for the peace of mind and quality.
Elijah Wright –
This ECM/ECU unit was exactly what I needed for my 2016 Mercedes-Benz C-Class. It arrived quickly and was already programmed with my VIN, making installation completely hassle-free. The plug-and-play design saved me a lot of time, and the car fired up without a single issue. Overall, very impressed with the quality and support behind this product.
Carlos Gonzalez –
This ECM arrived quickly and fit perfectly—installation was a breeze with zero hassle. Highly recommend for anyone needing a reliable replacement!