Mercedes-Benz S 450 4MATIC Operator's Manual page 401

Controls in detail
Lighting
Low beam headlamps
The low beam headlamps can be switched
on and off with the exterior lamp switch us-
ing the manual headlamp mode.
Switching on: Turn the exterior lamp
switch to position B.
The following lamps switch on:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
400
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 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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