Mercedes-Benz S-Class 2020 Owner's Manual page 261

258 Driving and parking
If a loss of tyre pressure or a defective tyre
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has been detected and displayed.
In complex traffic situations where objects
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cannot always be clearly identified.
If pedestrians, cyclists or vehicles move
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quickly into the sensor detection range.
If road users are hidden by other objects or
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are located close to other objects.
If the typical outline of a pedestrian or cyclist
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cannot be distinguished from the back‐
ground.
If a pedestrian or cyclist is not detected as
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such, e.g. due to special clothing or other
objects.
If the driver's seat belt is not fastened.
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On bends with a tight radius.
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% The Active Brake Assist sensors adjust auto‐
matically while a certain distance is being
driven after the vehicle has been delivered.
Active Brake Assist is unavailable or only
partially available during the teach-in proc‐
ess.
Setting Active Brake Assist
Requirements:
The ignition is switched on.
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Multimedia system:
© Settings Assistance
4 5 5
Avoid collision Active Brake Assist
5 5
Select the desired setting.
#
The setting is retained when the engine is
next started.
Deactivating Active Brake Assist
% It is recommended that you always leave
Active Brake Assist activated.
Select Off.
#
The distance warning function, the autono‐
mous braking function and the Evasive Steer‐
ing Assist are deactivated.
When the engine is next started, the medium
setting is automatically selected.
% If Active Brake Assist is deactivated, the
æ symbol appears in the status bar of the
multifunction display.
Traffic Sign Assist
Function of Traffic Sign Assist
Traffic Sign Assist detects traffic signs with the
multifunction camera and compares this with
information in the digital navigation map. It
assists you by displaying detected speed limits
and overtaking restrictions in the driver display
and in the head-up display. The system can issue
a warning when you exceed the maximum per‐
missible speed.
In some countries, the system can provide you
with further functions and can warn you when
you are approaching pedestrian crossings or
when you are about to drive past stop signs or
red lights unintentionally.
The camera also detects and analyses traffic
signs with a restriction indicated by an additional
sign (e.g. when wet).
Traffic Sign Assist only visualises selected signs
in the driver display. Actual traffic signs and
speed limits have priority over traffic signs and
speed limits shown in the driver display.