2010 Mercedes C-Class Owner's Manual - Page 93

Lighting ! Failure to switch off the parking lamps when leaving the vehicle may result in a discharged battery. Low-beam headlamps The low-beam headlamps can be switched on and off with the exterior lamp switch. X Switch on the ignition. X Switching on: Turn the exterior lamp switch to position L. The following lamps come on: RLow-beam headlamps RTail 91 lamps lamps plate lamps panel lamps X RParking RLicense RSide marker lamps RInstrument RGreen X indicator lamp L in the instrument cluster Switching on: Turn the exterior lamp switch to position c. The following lamps come on and go out depending on the brightness of the ambient light with the SmartKey in starter switch position 1 or the KEYLESS-GO start/stop button pressed once: RTail lamps lamps plate lamps Switching off: Turn the exterior lamp switch to position $. RParking RLicense RSide Automatic headlamp mode The following lamps come on and go out automatically depending on the brightness of the ambient light: RLow-beam RTail marker lamps headlamps When the engine is running, the low-beam headlamps will also come on and turn off automatically. Canada only: High-beam headlamps are only available in low ambient lighting conditions. lamps lamps plate lamps RParking RLicense RSide Daytime running lamp mode In Canada, the daytime running lamp mode is mandatory and therefore in a constant mode. In the USA, the daytime running lamp mode is deactivated by default. X Activate the daytime running lamp mode using the control system, see "Switching daytime running lamp mode on or off (USA only)" (Y page 133). X Turn the exterior lamp switch to position $ or c. When the engine is running, the low-beam headlamps come on. Z marker lamps G Warning! If the exterior lamp switch is set to c, the headlamps will not automatically come on under foggy conditions. To minimize risk to you and to others, activate headlamps by turning exterior lamp switch to L when driving or when traffic and/or Controls in detail ambient lighting conditions require you to do so. In low ambient lighting conditions, only switch from position c to L with the vehicle at a standstill in a safe location. Switching from c to L will briefly switch off the headlamps. Doing so while driving in low ambient lighting conditions may result in an accident. The automatic headlamp feature is only an aid to the driver. The driver is responsible for the operation of the vehicle's lights at all times.