2005 Mercedes C-Class Owner's Manual - Page 113

Controls in detail Lighting Daytime running lamp mode Turn the exterior lamp switch to position M or U. When the engine is running, the low beam headlamps are switched on. In low ambient light conditions, the following lamps will switch on additionally: Tail and parking lamps License plate lamps Side marker lamps For nighttime driving you should turn the exterior lamp switch to position B to permit activation of the high beam headlamps. Canada only: The daytime running lamp mode is mandatory and therefore in a constant mode. Vehicles with automatic transmission*: When the engine is running, and you shift from a driving position to position N or P, the low beam headlamps will switch off with a three-minute delay. When the engine is running, and you turn the exterior lamp switch to position C, the parking lamps switch on additionally. turn the exterior lamp switch to position B, the manual headlamp mode has priority over the daytime running lamp mode. The corresponding exterior lamps switch on ( page 109). USA only: By default, the daytime running lamp mode is deactivated. Activate the daytime running lamp mode using the control system, see "Setting daytime running lamp mode (USA only)" ( page 142). When the engine is running, and you turn the exterior lamp switch to position C or B, the manual headlamp mode has priority over the daytime running lamp mode. The corresponding exterior lamps switch on ( page 109). i With the daytime running lamp mode activated and the exterior lamp switch in position M, the high beam headlamps cannot be switched on. The high beam flasher is available at all times. 111