2005 Mercedes G-Class Owner's Manual - Page 181

Controls in detail Driving systems Warning indicator Visual signals indicate to the driver the relative distance between the sensors and an obstacle. The warning indicator is located next to the tailgate. An intermittent acoustic warning will sound when the first yellow segment comes on. This signal quickens with each additional segment lit. When all segments illuminate, the acoustic warning becomes a constant signal. The signal is canceled when the gear selector lever is placed in position D or P. Rear Parking Assist malfunction There is a malfunction in the Rear Parking Assist system if: a low warning tone sounds while the vehicle is reversing Warning indicator no segments come on and no warning sounds The Rear Parking Assist is malfunctioning. Have the Rear Parking Assist system checked by an authorized Mercedes-Benz Light Truck Center as soon as possible. Malfunction may also be caused by interference from other radio or ultrasonic signals. Check the Rear Parking Assist operation at another location to rule out interference from outside radio or ultrasonic signals. As your vehicle approaches an object, one or more segments will come on, depending on the distance. When the sixth segment lights, you have reached the minimum distance. The Rear Parking Assist sensors are dirty or malfunctioning. Clean the Rear Parking Assist system sensors ( page 283). Switch on the ignition again. 181