2010 Mercedes R-Class Owner's Manual - Page 161
2010 Mercedes R-Class Manual
Page 161 highlights
251_AKB; 4; 52, en-US d2ureepe, 2009-03-23T09:22:52+01:00 - Seite 159 Version: 2.11.8.1 Driving systems RFront 159 RRear area: An intermittent acoustic warning lasting a maximum of 2 seconds will sound as the first red distance segment illuminates. A constant acoustic warning lasting a maximum of 2 seconds will sound for the second red distance segment. The signal is canceled when the automatic transmission is shifted into drive position D, or park position P, or the parking brake is engaged. 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. 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 265). 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. X Switching the Parktronic system on/ off The Parktronic system switches on automatically when the ignition is switched on. X Switching off: Press Parktronic switch :. Indicator lamp ; comes on. X Switching on: Press Parktronic switch : again. Rear view camera The rear view camera is an optical parking aid. Z Controls in detail area: An intermittent acoustic warning lasting a maximum of 2 seconds will sound as the first red distance segment illuminates. A constant acoustic warning lasting a maximum of 2 seconds will sound for the second red distance segment. The signal is canceled when the automatic transmission is shifted into park position P or the parking brake is engaged. 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. ! 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.
![](/manual_guide/autos/2010-mercedes-rclass-owners-manual-85c3552/161.png)