Mercedes-Benz GLB Owner's Manual page 165

162 Light and sight
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 the following
cases:
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.
% Adaptive Highbeam Assist Plus is available
only in vehicles with Intelligent Light System.
The Adaptive Highbeam Assist Plus automati‐
cally switches between the following types of
light:
Low beam
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Partial high beam
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High beam
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Partial high beam uses the high beam to shine
past other road users rather than dazzling them.
The vehicle in front will be illuminated by the low
beam.
At speeds greater than 30 km/h:
If no other road users are detected, the high
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beam will be switched on automatically.
If other road users are detected, the partial
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high beam will be switched on automatically.
At speeds below 25 km/h or when there is suffi‐
cient street lighting:
The high beam will switch off automatically.
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The partial high beam will switch off auto‐
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matically.
The system's optical sensor is located behind
the windscreen near the overhead control panel.
Switching Adaptive Highbeam Assist Plus
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