2010 Mercedes GL-Class Owner's Manual - Page 171
2010 Mercedes GL-Class Manual
Page 171 highlights
Driving systems Parktronic system malfunction There is a malfunction in the Parktronic system, if only the red distance segments illuminate and an acoustic warning sounds. The Parktronic system will switch off automatically after 20 seconds and indicator lamp ; in Parktronic switch : comes on. X 169 Vehicle without enhanced off-road package Vehicle with enhanced off-road package X Switching off: Press Parktronic switch :. Indicator lamp ; comes on. X Switching on: Press Parktronic switch : again. Have the Parktronic system checked at an authorized Mercedes-Benz Center as soon as possible. If only the red distance segments illuminate and no acoustic warning sounds, the Parktronic system sensors are dirty (e.g. dirt, ice, snow and slush). Another cause could be interference from other radio or ultrasonic signals (e.g. truck air brakes, car wash, or jackhammers). The Parktronic system will switch off automatically after 20 seconds and indicator lamp ; in Parktronic switch : comes on. X Switch off the ignition. X Clean the Parktronic system sensors (Y page 278). X Switch on the ignition. or X Check the Parktronic system operation at another location to rule out interference from outside radio or ultrasonic signals. Trailer towing The rear Parktronic sensors will be deactivated when you have established the electrical connection between your vehicle and the trailer you are about to tow. Rear view camera The rear view camera is an optical parking aid. The area behind the vehicle appears in the COMAND system display as a mirror image, like in the rear view mirror. In addition, the rear view camera contains guidelines to help you with driving in reverse. ! The distance between the sensors in the bumpers and an obstacle is referred to as the minimum range of the Parktronic. A trailer hitch will reduce the distance to an obstacle. Keep this in mind to avoid any damage. G Warning! Make sure no persons or animals are in or near the area in which you are parking/ maneuvering. Otherwise, they could be injured. Z Controls in detail