Properly diagnose your Mercedes Benz

Before you will place an order, you should answer a few question to make sure that you will buy the correct item for your car and that you need it in the first place.

The message Pasenger’s / Driver’s Restraint system fault indicates on one or a few SRS (Supplementary Restraint System) components fault. That system is responsible for your safety so DO NOT IGNORE IT!!!

Please fill in this protocol during the installation. You will need the information concluded there in the future and it will simplify us to help you in case of any problems. 

Emulator will switch the AIRBAG/SRS light off only if it was caused by a faulty seat occupancy sensor. Here you can learn what are indicators of a faulty seat mat and what else can cause to light AIRBAG/SRS on.

On one car you will find it with no trouble at all, on others finding a seat occupancy sensor plug (seat mat plug) might be a challenge. 

Car manufacturers use different versions of airbag control units and different versions of seat mats in their cars.

In regard to BMW and Mercedes, it is important to know to what market the car was dedicated - the EU or the US.

Check the models with 2-pin seat occupancy sensor plug installed.

Information about SRS in a nutshell 

What kind of a plug is in my BMW model?

How to check what kind of an emulator will work on my C-Class Mercedes W203