Mercedes-Benz A-Class Owner's Manual page 128

The high beam switches off automatically:
At speeds below 25 km/h.
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If other road users are detected.
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If street lighting is sufficient.
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At speeds above approximately 50 km/h:
The headlamp range of the low beam is regu‐
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lated automatically based on the distance to
other road users.
The system's optical sensor is located behind
the windscreen near the overhead control panel.
Switching Adaptive Highbeam Assist on/off
To switch on: turn the light switch to the
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à position.
Switch on the main beam using the combina‐
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tion switch.
When the main beam is switched on auto‐
matically in the dark, the _ indicator
lamp on the multifunction display comes on.
To switch off: switch off the main beam
#
using the combination switch.
Adaptive Highbeam Assist Plus
Adaptive Highbeam Assist Plus function
& WARNING Risk of accident despite
Adaptive Highbeam Assist Plus
Adaptive Highbeam Assist Plus does not rec‐
ognise the following road users:
Road users without lights, e.g. pedes‐
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trians
Road users with poor lighting, e.g.
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cyclists
Road users whose lighting is obstructed,
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e.g. by a barrier
On very rare occasions, Adaptive Highbeam
Assist Plus may fail to recognise other road
users that have lights, or may recognise
them too late.
In this, or in similar situations, the automatic
main beam will not be deactivated or will be
activated despite the presence of other road
users.
Light and sight 125
Always observe the traffic carefully and
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switch off the main beam in good time.
Adaptive Highbeam Assist Plus cannot take into
account road, weather or traffic conditions.
Detection may be restricted:
in poor visibility, e.g. fog, heavy rain or snow
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if there is dirt on the sensors or the sensors
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are obscured
Adaptive Highbeam Assist Plus is only an aid.
You are responsible for adjusting the vehicle's
lighting to the prevailing light, visibility and traf‐
fic conditions.