2007 Mercedes CL-Class Owner's Manual - Page 435

Controls in detail Driving systems Switching Parktronic system on/off The Parktronic system can be switched off manually. Switching off the Parktronic system: Press button 1. Indicator lamp 2 comes on. Switching on the Parktronic system: Press button 1 again. Indicator lamp 2 goes out. Have the Parktronic system checked by 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 or there is an interference from other radio or ultrasonic signals. The Parktronic system will automatically switch off after 20 seconds and the indicator lamp in the Parktronic switch comes on. Switch off the ignition ( page 336). Clean the Parktronic system sensors ( page 559). Switch on the ignition. or Check the Parktronic system operation at another location to rule out interference from outside radio or ultrasonic signals. i The Parktronic system is automatically switched on when the ignition is switched on ( page 336). Parktronic system malfunction 1 Parktronic button 2 Indicator lamp If only the red distance segments illuminate and an acoustic warning sounds, there is a malfunction in the Parktronic system. The Parktronic system will automatically switch off after 20 seconds and the indicator lamp in the Parktronic switch comes on. 434