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N.B. Always ensure you locate yor seat sensor cabling first and id the 3 cables +ve, -ve and data before you buy.

Repair SRS fault light

Save yourself some money by just simply unplugging the existing seat connector and connecting 3 wires on the plug and plug it back in and securing the unit on the plug with some tapes and that's it. Mercedes will charge you hundreds to fix this and I did this on my Merc to get my WOF, easy as.

Is your SRS airbag light staying on? It is very likely that the passenger seat occupancy mat sensor has a fault. It will cost hundreds to replace it.

With this your SRS airbag will be on activated mode which will by-pass the sensor (this means the airbag will be activated if an accident should happen) and gets your WOF.

Please ensure that you have the correct model before you buy, thanks.

Mercedes Seat Sensor Emulator Benz SRS Seat Sensor Repair SRS Light Reset Tool

Seat Occupation airbag SRS Sensor Emulator for Mercedes-Benz,


S Class S300 S350 S280 S400 S500 W221 year 2007 onwards

Wiring Diagram:

Red line: 12V
Brown or blue line: GND
White or yellow line: data cable

Unplug the connector and connects the correct cable to the connector and secure the unit with the connector.

Passenger airbag will perform as normal, only different is it won't have a sensor to turn off the airbag when there is a baby seat in the front. Once this is fitted, best not to have your baby seat in the front passenger seat.

Next day delivery after money is cleared.

Mercedes Seat Sensor Emulator Benz SRS Seat Sensor Repair SRS Light Reset Tool


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  • Seller location: Manukau City, Auckland, NZ

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