Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 250

248 Driving and parking
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 background.
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 par-
tially available during the teach-in process.
▌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.
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The setting is retained when the engine is next
started.
Deactivating Active Brake Assist
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It is recommended that you always leave
Active Brake Assist activated.
Select Off.
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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.
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If Active Brake Assist is deactivated, the æ
symbol appears in the status bar of the multi-
function display.
P223 0288 02
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 over-
taking restrictions in the driver display and in the
head-up display. The system can issue a warning
when you exceed the maximum permissible
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.