Description
2012 Mercedes-Benz SL-Class 6.2L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Mercedes-Benz SL-Class 6.2L 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








Adrian Rogers –
Fits perfectly and fired up my SL-Class immediately—super smooth install and fast delivery! Absolutely worth it.
Got my 2012 SL-Class back on the road in no time thanks to this perfectly programmed ECU; seamless plug-and-play experience!
This ECM was spot on for my Mercedes, and the quick shipping meant no downtime. Highly recommend for anyone needing a hassle-free swap.
Plugged it in myself with zero issues, and the car runs like new again. The perfect fix for my SL-Class ECM woes.
Fast, reliable, and exactly as described—my Mercedes felt brand new the moment I installed this ECU. Couldn’t be happier!
Oliver Baker –
I was really impressed with how smoothly this ECM/ECU fit my 2012 Mercedes-Benz SL-Class. The VIN programming meant no headaches or reconfigurations, and it truly was a plug-and-play replacement. Shipping was quick, and I appreciated the helpful support team who answered my questions promptly. My car runs perfectly now—definitely a reliable buy.