Description
2015 Mercedes-Benz CLS-Class 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2015 Mercedes-Benz CLS-Class 4.7L 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 Murphy –
I was a bit nervous about ordering an ECM for my 2015 Mercedes-Benz CLS-Class, but this unit arrived quickly and was already VIN programmed, which made installation a breeze. It truly was plug and play—I swapped it out myself in under an hour without any issues. The car fired right up with no warning lights or hiccups, and I haven’t noticed any performance differences since. Customer support was also very helpful when I had a couple of questions before purchasing, which gave me extra peace of mind. Overall, this was a smooth and hassle-free experience, and I’d definitely recommend it to anyone needing a reliable ECM replacement.
Kyle Edwards –
The ECM arrived quickly and was exactly as described, fully programmed for my 2015 Mercedes-Benz CLS-Class. Installation was straightforward, truly plug-and-play with no complications, which saved me a lot of time. The vehicle started right up and runs smoothly now, and I appreciate the helpful customer service team who answered my questions promptly. Highly recommend this product for anyone needing a reliable replacement ECU.
David Wright –
Installed it in no time and the car fired right up—exactly what I needed. Super quick delivery and flawless fit!