Mercedes-Benz 2008 S550 Operator's Manual page 373

Controls in detail
Lighting
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If you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver's door.
In addition the message "Please switch off
lights" appears in the multifunction display.
Switch off the headlamps.
!
Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on and off with the
exterior lamp switch.
Switching on low beam headlamps
Turn the exterior lamp switch to B.
The green indicator lamp C in the
exterior lamp switch comes on.
372
Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Warning!
If the exterior lamp switch is set to *,
the headlamps may switch off unexpect-
edly when the system senses bright am-
bient light, for example light from
oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others, acti-
vate headlamps by turning exterior lamp
switch to B when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position * to B with the
vehicle at a standstill in a safe location.
Switching from * to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
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