Description
2020 Mercedes-Benz SL-Class 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2020 Mercedes-Benz SL-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
Lucas Anderson –
I was genuinely impressed with how straightforward the installation was on this ECM for my 2020 Mercedes-Benz SL-Class. It arrived quickly, well-packaged, and perfectly programmed to my VIN, which saved me a ton of hassle. After swapping it in, my car fired right up with no issues, and everything runs smoothly. Highly recommend this for anyone needing a reliable, ready-to-go ECU replacement.
Brian Wright –
I was a bit nervous about ordering an ECM for my 2020 Mercedes-Benz SL-Class, but this unit exceeded all my expectations. It arrived quicker than I anticipated, and the VIN programming meant it was truly ready to go right out of the box. Installation was straightforward—no complicated setup or coding required on my end. After swapping it in, my car fired up perfectly without any warning lights or issues, which was a huge relief. If you need a reliable replacement ECU, this one is well worth it!
After my original ECM failed, I was worried about finding a compatible replacement that wouldn’t give me headaches. Thankfully, this 4.7L ECM showed up on time and was already programmed for my exact VIN, so the install was essentially effortless. The plug-and-play nature saved me from expensive dealership visits or fussing with tuning tools. Ever since the swap, my SL-Class has been running flawlessly, with no glitches or error codes. It feels like I just got a brand-new
Mark Smith –
This ECM arrived quickly and fit perfectly with no extra hassle—had my SL-Class running smoothly in no time. Excellent quality and definitely worth it!