2011 Mercedes CLS-Class Owner's Manual - Page 144
2011 Mercedes CLS-Class Manual
Page 144 highlights
219_AKB; 4; 54, en-US d2ureepe, 2009-05-11T16:21:02+02:00 - Seite 142 Version: 2.11.8.1 142 Driving systems 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 219). 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 Controls in detail X Switching off: Press Parktronic switch :. Indicator lamp ; comes on. X Switching on: Press Parktronic switch : again. 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.