Description
2014 Mercedes-Benz SL-Class 5.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Mercedes-Benz SL-Class 5.5L 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




Eric Cox –
The ECM arrived quickly and was exactly as described, perfectly programmed to my 2014 Mercedes SL-Class. Installation was straightforward, no modifications needed, which saved me a ton of time and hassle. The car fired up immediately, and everything runs smoothly now. Very impressed with the quality and customer support throughout the process.
Henry King –
I was a bit nervous ordering an ECU online, but this 2014 Mercedes-Benz SL-Class module exceeded my expectations. It arrived quickly and was already VIN programmed, so installation was surprisingly straightforward. I followed the instructions, and it really was almost plug-and-play—my car fired right up without any hiccups. The difference in performance was noticeable immediately, and I appreciate how reliable it’s been so far. If you need a replacement ECM, this is definitely a solid choice with great support along the way.
Noah Wilson –
I was a bit nervous about ordering an ECU online, but this 2014 Mercedes-Benz SL-Class 5.5L ECU arrived quickly and was exactly as described. Installation was straightforward, and the unit came pre-programmed to my VIN, which saved me a huge headache. Once installed, the car fired up perfectly with no warning lights or hiccups. It’s been running flawlessly for weeks now, and I’m really impressed with the quality. The customer service team was also very helpful when I had a couple of questions. Definitely a great purchase that got my SL-Class back on the road in no time.
Caleb Parker –
Super easy swap and the car fired right up—exactly what I needed with zero hassle. Shipping was quick too!