Description
2016 Mercedes-Benz S-Class 3.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 Mercedes-Benz S-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
Liam Phillips –
I was impressed with how straightforward the installation process was—this ECM/ECU came perfectly programmed for my 2016 Mercedes S-Class, and it fit right in without any hassle. Shipping was quicker than expected, which was a nice bonus. After swapping it in, the car started up smoothly and all functions worked flawlessly. Definitely a reliable replacement that saved me a lot of time and stress.
Aaron Walker –
This ECM was exactly what I needed—plugged right in with zero hassle, and my S-Class runs flawlessly now. Shipping was quick too!
Anthony Ward –
I recently purchased the 2016 Mercedes-Benz S-Class 3.0L ECM/ECU and was honestly impressed by how straightforward the whole process was. The unit arrived faster than I expected, and it was already VIN programmed, so installation was basically plug and play. I’m not very tech-savvy, but everything went smoothly without needing any additional tuning or adjustments. Since swapping it in, my car runs perfectly, just like new. The peace of mind knowing the part is fully compatible and ready to go made the whole experience stress-free.
Steven Wilson –
I was a bit nervous about ordering an ECU online, but this 2016 Mercedes-Benz S-Class module exceeded my expectations. The unit arrived quickly and was already programmed to my VIN, which saved me a ton of time and hassle. Installation was straightforward—just plug and play exactly as advertised. After swapping it in, my car fired up perfectly without any warning lights or error codes. It’s clear the seller knows their stuff, and their support team was responsive when I had a couple of questions. Overall, a smooth experience that got my S-Class back on the road in no time.