Seatbelt buckle emulator = seatbelt warning system bypass. It turns off seat belt warning light and sound - shows a car computer that the seat belt is always fastened.
The device fits Mercedes W203 ~2006/2007 (BEFORE PURCHASE please check if there is exactly the same plug under the seat on your car - there are two versions of the plugs in W203 2004-2006)
It sends to a car computer information that the seat belt is fastened.
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