for Mercedes- (MB) Type6, support for W220, W163, W210, W168, W639 and even more 2000-2005 year modelsThe occupancy mat is a sensor mounted in the front passenger .The emulator simulates a situation of a person sitting in the passenger with a belt fastened.To make the emulator work you need a diagnostic tool (like , etc.) to remove old errors of a broken mat that are stored in the airbag control unit.Once you connect the emulator your diagnostic tool will be able to remove old errors and turn off the SRS or airbag warning. Unfortunately, the errors related to the safety systems are not removing automatically.Voltage: 12VBefore purchase, please scan your car with a diagnostic tool to make sure your SRS or airbag warning is caused by a defective mat. If your car is W168 Airbag unit, the Type 6 Emulator could not support Not support for W203Colour:blackMaterial:plasticPackage Contents:1 x EmulatorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.