2004 Mercedes C-Class Owner's Manual - Page 130

Controls in detail Control system 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 SmartKey: Parking lamps Tail lamps License plate lamps Front fog lamps To activate locator lighting: Make sure the function LOCATOR LIGHTING is set. 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. Press æ or ç to select the desired setting. The locator lighting will be switched on or off. 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: LOCATOR LIGHTING. The selection marker is on the current setting. 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 124) while driving will not reset the daytime running lamp mode. In the display you will then see the message: LIGHTING - CANNOT BE TOTALLY RESET TO FACTORY SETTINGS WHILE DRIVING!. 130