Description
2018 Mercedes-Benz E-Class 3.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Mercedes-Benz E-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







Mark Watson –
Installed this ECM in no time, and the car runs flawlessly now—definitely worth it! Fast delivery and zero hassle with programming.
Kyle Morgan –
I was a bit nervous about ordering an ECM/ECU online for my 2018 Mercedes E-Class, but this unit arrived fast and was clearly pre-programmed for my VIN. Installation was straightforward—just plug it in, and it worked perfectly without any errors or warning lights. It felt great to have my car up and running again in no time, and the performance feels smooth and responsive like before. Their customer service was also quick to answer my questions and made the whole process hassle-free. Definitely recommend this if you need a reliable replacement ECU.
Logan Wilson –
The ECM arrived quickly and was exactly as described, fitting my 2018 Mercedes perfectly without any hassle. Installation was straightforward, and the VIN programming meant I didn’t have to worry about compatibility issues. It’s clear this is a quality part designed for a true plug-and-play experience. I’m very satisfied with the purchase and would recommend it to anyone needing a reliable ECU replacement.