2004 Mercedes S-Class Owner's Manual - Page 157

Controls in detail Control system Setting daytime running lamp mode (USA only) Move the selection marker with the æ or ç button to the LIGHTING submenu. Press button j or k repeatedly until you see this message in the display: LIGHT CIRCUIT HEADLAMP MODE . The selection marker is on the current setting. With daytime running lamp mode selected and the exterior lamp switch at position 0, the following lamps will come on automatically when the engine is turned on: Parking lamps and low beam headlamps License plate lamps (in low ambient light conditions) Setting locator lighting During darkness, the following lamps will come on when the exterior lamp switch is in position U, the locator lighting feature is activated, and the vehicle is unlocked by remote control: Parking lamps Tail lamps License plate lamps Front fog lamps To activate locator lighting: Make sure the function LOCATOR LIGHTING is set. i If you turn the exterior lamp switch to another position, the corresponding lamp(s) will switch on. For safety reasons, resetting the LIGHTING submenu to factory settings ( page 152) while driving will not reset the daytime running lamp mode. In the display you will then see the message: LIGHTING - CANNOT BE RESET COMPLETELY TO FACTORY SETTINGS WHILE DRIVING. Press æ or ç to select manual or daytime running lamp (constant) mode. This function is not available in countries where daytime running lamps are mandatory. Turn the exterior lamp switch to position U. The locator lighting switches off when the driver's door is opened. It switches off automatically after a period of approximately 40 seconds. 156