Complete kit for retrofitting the original tire pressure monitoring system (TPMS) for Mercedes Benz Vito W447 Display of the air pressure and, if available, the temperature of the individual wheels in the instrument cluster It can warn the driver of a loss of pressure in the tires and thus increase driving safety for you and your passengers A message in the instrument cluster warns of minor pressure loss or significant pressure differences While driving, sensors in the tire valves measure continuously. This data is sent by radio signal to the control unit and processed there Scope of delivery: Control unit Holder Cable set 4 tire sensors Coding dongle Notes: The tire sensors must be installed in the rims by a tire service company