Description
2020 Mercedes-Benz GLC-Class 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2020 Mercedes-Benz GLC-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
Ethan Perez –
Installed this ECM in my 2020 GLC-Class with zero hassle—truly plug and play. Fast shipping and flawless performance!
The VIN programmed ECU fit perfectly and my car runs like new again. Super quick delivery and excellent customer support.
Perfect match for my Mercedes, arrived on time and worked right out of the box. Couldn’t ask for an easier upgrade!
Exactly what I needed for my GLC-Class 2020, no extra programming required. Shipping was speedy and setup was a breeze.
This ECM unit was ready for my vehicle as promised, and the install took minutes. Great quality and hassle-free service!