2008 Mercedes CL-Class Owner's Manual - Page 398

Controls in detail Lighting Hazard warning flasher The hazard warning flasher can be switched on at all times, even with the SmartKey removed from the starter switch or with the SmartKey with KEYLESS-GO* removed from the vehicle. The hazard warning flasher is automatically switched on if an air bag has been triggered CL 600 and CL 65 AMG USA only: you brake the vehicle strongly at a speed of more than 50 mph (70 km/h) and bring it to a complete stop 1 Hazard warning flasher switch Switching on: Press hazard warning flasher switch. All turn signals will flash. Switching off: Press hazard warning flasher switch again. i If the hazard warning flasher was activated automatically, also press hazard warning flasher switch 1 to switch off the hazard warning flasher. i With the hazard warning flasher activated and the combination switch set for either left or right turn, only the respective left or right turn signals will operate when the SmartKey in the starter switch is in position 1 or 2 or the KEYLESS-GO* start/stop button ( page 366) is pressed once or twice. 397