Description
2010 Mercedes-Benz S-Class 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2010 Mercedes-Benz S-Class 3.5L 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
Cooper Clark –
I was a bit nervous about ordering an ECU online, but this 2010 Mercedes-Benz S-Class unit exceeded my expectations. The VIN programming was spot on, and installation was effortless since it truly was plug and play. Shipping arrived quicker than I anticipated, and the engine started up smoothly without any issues. Definitely a reliable solution if you need a replacement ECM for this model.
Brandon Gonzalez –
I was a bit nervous about replacing the ECM on my 2010 S-Class myself, but this unit made the entire process much smoother than I expected. It arrived quickly and was already programmed to match my VIN, so I didn’t have to worry about any complicated setup. Plugging it in was straightforward, and once connected, my car fired up without a hitch. I really appreciated the clear instructions and the fact that I didn’t need any additional tools or coding steps. Overall, this was exactly what I needed to get my Mercedes back on the road without the dealer’s high fees.
Carlos Murphy –
Perfect fit and worked flawlessly right out of the box—had my S-Class running smooth again in no time.
Super quick delivery and the install was a breeze; highly recommend this ECM for anyone needing a reliable replacement.
The VIN programming was spot on, and the unit swapped in effortlessly—happy with the purchase!
Exactly what I needed, shipped fast and installed without any headaches. Great quality and performance.
Plugged it in, and the car fired up like new. This ECM is definitely worth every penny!