Description
2017 Mercedes-Benz SL-Class 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 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





Brandon Baker –
I recently replaced the ECM on my 2017 Mercedes-Benz SL-Class with this unit, and I couldn’t be happier with how smooth the entire process went. It arrived quicker than I expected, and installation was truly plug-and-play—no complicated programming or trips to the dealer needed. The engine runs flawlessly now, and all the diagnostics cleared up immediately after the switch. I appreciated having access to tech support just in case, but honestly, it was so straightforward I didn’t have to use it. This ECU was definitely worth the investment to get my car back to perfect condition.
Adam Lewis –
I was really impressed with how simple the installation process was for this ECM. It arrived quickly and was already VIN programmed, which saved me a ton of time and hassle. My 2017 Mercedes SL-Class runs flawlessly now, and I appreciate the clear instructions that came with it. Definitely a reliable part for anyone needing a replacement ECU.
Connor Murphy –
I was a bit nervous about ordering an ECM/ECU online, but this 2017 Mercedes-Benz SL-Class unit exceeded my expectations. The VIN was already programmed, so installation was incredibly simple—literally plug and play. It arrived faster than I anticipated, well-packaged and in perfect condition. Since swapping it out, my car runs flawlessly with no error codes popping up. It’s clear whoever supplied this knows their stuff, and their customer support was helpful when I reached out with a quick question. Highly recommend this for anyone needing a reliable replacement.
James Stewart –
Installed flawlessly with zero hassle—true plug and play as promised. Shipping was quick, and the car runs perfectly now!