2004 Mercedes C-Class Owner's Manual - Page 104

Controls in detail Lighting i With the daytime running lamp mode activated, the low beam headlamps will not switch off automatically. Canada only When you shift from a driving position to position N or P, the low beam switches off (with a three-minute delay). For nighttime driving you should turn the exterior lamp switch to position B to permit activation of the high beam headlamps. USA only The high beam headlamps can also be activated when driving with the daytime running lamp mode activated and exterior lamp switch in position M. To activate the daytime running lamp mode, see "Setting daytime running lamp mode (USA only)" ( page 129). Locator lighting and night security illumination Locator lighting and night security illumination are described in the control system section under "Setting locator lighting" ( page 130) and "Setting night security illumination" ( page 131). Switching on fog lamps Warning! i The front fog lamps and rear fog lamp cannot be switched on manually with exterior lamp switch in position U. To activate the fog lamps, turn exterior lamp switch to position B and pull the exterior lamp switch to first or second stop ( page 102). Daytime running lamp mode Turn exterior lamp switch to position M or U. When the engine is running, the low beam headlamps are automatically switched on. In low ambient light conditions the parking lamps will also switch on. G i See notes on the exterior lamp switch ( page 102). In low ambient lighting or foggy conditions, only switch from position U to B with the vehicle at a standstill. Switching from U to B will briefly switch off the headlamps. Doing so while driving in low ambient lighting conditions may result in an accident. 104