Description
2016 Mercedes-Benz SL400 3.0L AT gas ECM / ECU – Programmed | Plug&Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 Mercedes-Benz SL400 3.0L AT gas models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: 647-247-8555
John Jenkins –
The ECU arrived super fast with free shipping, and the plug-and-play setup made installation a breeze—highly recommend!
Steven Russell –
I recently purchased the 2016 Mercedes SL400 3.0L AT gas ECM from this seller, and I couldn’t be happier with the experience. The ECU arrived quickly and was already VIN programmed, making the installation straightforward without any hassle. I was impressed by their excellent communication; they answered all my questions promptly and kept me updated throughout the process. The quality of the unit is top-notch, and my car runs perfectly now. Shipping was very reasonable too, which was a nice bonus. Overall, a smooth and reliable transaction from start to finish.
Mark Phillips –
I purchased the 2016 Mercedes SL400 ECM for my car, and it arrived quickly with free shipping, which was a nice bonus. The unit was already VIN programmed, so installation was straightforward and hassle-free. The quality of the repair is outstanding—my engine runs smoothly without any issues. Customer support was very responsive, answering all my questions promptly throughout the process.
Nathan Parker –
I was really impressed with how quickly the ECM arrived after I placed my order—definitely faster than I expected. Installing the unit was a breeze since it was plug-and-play, no complicated setup or trips to the mechanic required. The best part? Getting this ECU saved me a huge amount compared to the dealer’s quote, which was shockingly high. The team was very responsive when I had questions, and the whole process was smooth from start to finish. I’m very happy with the quality and service and would definitely buy from them again.
Benjamin Walker –
Fast shipping and a true plug-and-play unit—saved me big bucks versus the dealer. Installation went smoothly thanks to their professional support.
Mason Campbell –
I was a bit nervous about ordering an ECU online for my 2016 Mercedes SL400, but this company made the process incredibly smooth. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was how well they handled the VIN programming before shipping it out, so installation was basically plug-and-play. I also appreciated how responsive they were to my questions — they kept me updated every step of the way. Overall, the engine runs perfectly now, and I’m very satisfied with the whole experience.
Miguel Gray –
I was really impressed with how quickly the 2016 Mercedes SL400 ECM arrived—shipping was fast and hassle-free. The unit was truly plug-and-play, making installation straightforward without any technical headaches. Choosing this service saved me a significant amount compared to dealer prices, and the communication throughout the process was professional and clear. Overall, a smooth experience from start to finish.