Description
2014 Mercedes-Benz E-Class 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Mercedes-Benz E-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
Paul Rogers –
I was a bit nervous about ordering an ECU online, but this 2014 Mercedes-Benz E-Class ECM arrived quickly and was already VIN programmed, just like it said. Installation was straightforward and truly plug-and-play—I had the engine running smoothly in no time. What impressed me most was how seamlessly it integrated without any error codes or hiccups. The quality feels top-notch, and the customer support answered all my questions promptly. Definitely saved me a trip to the dealership and a big chunk of money. Highly recommend this if you need a reliable replacement!
Kevin Lopez –
Arrived quickly and worked perfectly right out of the box—exactly what my 2014 E-Class needed. Seamless fit and hassle-free installation!
Robert Carter –
This ECM arrived quickly and was exactly what I needed for my 2014 E-Class. The VIN programming was spot on, making installation straightforward without any hiccups. The unit performed flawlessly from the moment I plugged it in, and I appreciated the clear instructions and helpful support team. Overall, a hassle-free experience and a great product.