Mercedes-Benz 2012 E-Class Sedan Operator's Manual page 121

The system's optical sensor is located behind
the windshield near the overhead control
panel.
X
To activate: activate the Adaptive
Highbeam Assist function using the on-
board computer ( Y
X
Turn the light switch to c or Ã.
X
Press the combination switch beyond the
pressure point in the direction of arrow :
( Y page 117).
If it is dark and the light sensor activates
the low-beam headlamps, the _
indicator lamp in the instrument cluster
lights up.
If you drive faster than approximately
28 mph (45 km/h):
the headlamp range is set automatically
depending on the distance between the
vehicle and other road users.
If you drive faster than approximately
35 mph (55 km/h) and no other road users
are identified:
the high-beam headlamps are switched on
automatically. The K indicator lamp in
the instrument cluster also lights up.
When you drive slower than approximately
30 mph (45 km/h) or if other road users
page 227).
I n f o r m a t i o n P r o v i d e d b y :
are identified or if the roads are sufficiently
illuminated:
the high-beam headlamps are switched off
automatically. The K indicator lamp in
the instrument cluster goes out. The _
indicator lamp in the instrument cluster
stays on.
X
To deactivate: move the combination
switch back to its normal position.
The _ indicator lamp in the instrument
cluster goes out.
G
WARNING
The Adaptive Highbeam Assist is only an aid
intended to support you while driving. The
driver is and remains responsible for proper
vehicle lighting in accordance with the
prevailing light, sight and traffic conditions.
The system may be impaired or unavailable
when
visibility is poor, e.g. due to snow, rain, fog,
R
or heavy spray
the optical sensor area of the windshield is
R
dirty, fogged up, or covered by a sticker for
example
The system cannot recognize the following
road users:
Road users without a lighting system of
R
their own, e.g. pedestrians
Road users with dim lighting of their own,
R
e.g. cyclists
Road users whose lighting is obstructed,
R
e.g. road users behind a guardrail
In some seldom cases, even road users with
R
a lighting system of their own may be
recognized too late or not at all.
The automatic high-beam headlamps will then
not be deactivated or it will be activated in
spite of preceding or oncoming road users.
This could endanger you and/or others and
cause an accident. Always pay close attention
to the traffic situation and switch off the high
beam manually if necessary.
Exterior lighting
119
Z