2003 Mercedes S-Class Owner's Manual - Page 121

Controls in detail Lighting Manual headlamp mode The low beam headlamps and parking lamps can be switched on and off with the exterior lamp switch. For exterior lamp switch, see ( page 120). Automatic headlamp mode The parking lamps, low beam headlamps and license plate lamps switch on and off automatically depending on the brightness of the ambient light. Turn the exterior lamp switch to U. i Front fog lamps and rear fog lamp can not 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 122). i If you drive in countries where vehicles drive on the other side of the road than the country where the vehicle is registered, you must have the headlamps modified for symmetrical low beams. Relevant information can be obtained at your authorized Mercedes-Benz Center. Warning! G i With the daytime running lamp mode activated, the low beam headlamps will not switch off automatically. In automatic headlamp mode, the headlamps will not be automatically switched on under foggy conditions. To minimize risk to you and to others, activate headlamps by turning exterior lamp switch to B. The driver is responsible for the operation of the vehicle's lights at all times. The automatic headlamp feature is only an aid to the driver. Switch on the vehicle lights manually when driving or when traffic conditions require you to do so. 121