Mercedes-Benz CLS Owner's Manual page 130

Always observe the road and traffic
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conditions carefully and switch off the
high 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 automatically
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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ULTRA RANGE Highbeam
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Light and sight 127
ULTRA RANGE Highbeam increases the bright‐
ness of the cone of light to the legally permitted
maximum.
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 below 25 km/h or when there is suffi‐
cient street lighting:
The partial high beam and the high beam will
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be switched off automatically.
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 above 40 km/h:
If no other road users are detected on a
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straight road, ULTRA RANGE Highbeam will
be switched on automatically.
If other road users are detected, the partial
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high beam will be switched on automatically.