What is the reason for the Mercedes GLK's reverse radar not making any sound?

1 Answers
OCorbin
07/30/25 8:54am
Mercedes GLK's reverse radar not making any sound is due to issues such as a faulty buzzer or loose radar host wiring. Specific reasons and solutions are as follows: Faulty buzzer: The reverse radar consists of a host, display, probes, and a buzzer. The probes are installed on the front and rear bumpers of the vehicle to better observe parking distance. If the buzzer is faulty, the reverse radar will not sound. The solution is to repair it. Loose radar host wiring: If the reverse radar is not sounding, first check if the host's power cable is properly connected and if there is current. Then check if the radar host wiring is loose, which can cause the radar to have no sound. The solution is to reconnect it.
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