Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 252

250 Driving and parking
Traffic Sign Assist can detect following additional
signs 3 and, if necessary, analyse the relevance
of the restrictions using other vehicle sensors:
when wet
R
slippery road surfaces
R
in fog
R
temporary restrictions
R
exits
R
restrictions for car/trailer combinations
R
Traffic Sign Assist also uses data from the digital
street map in the navigation system. When you
leave or enter a municipality or change roads, on
a motorway exit or slip road for example, or after
you turn at a junction, the display in the driver dis-
play can thus be updated without a traffic sign
having been detected.
In addition, the system can display speed limits
ahead on the driver display and the head-up dis-
play. The driver display can also show the dis-
tance to an upcoming lower limit speed. For this
purpose, information from the digital road map of
the navigation system is used. Depending on the
current situation and the assumed route, the dis-
play message is shown up to 350 m in advance.
The Assistance menu can also display a dynamic
visualisation of the speed limits ahead.
If Traffic Sign Assist cannot determine the cur-
rently applicable maximum permissible speed
(e.g. due to missing signs), the following display
appears in the driver display:
Traffic Sign Assist is not available in all countries.
If the vehicle is in a country where Traffic Sign
Assist is not supported, this is displayed continu-
ously.
%
Also observe the information on display mes-
sages in Traffic Sign Assist (
Warning when the maximum permissible speed is
exceeded
The system can warn you if you unintentionally
exceed the maximum permissible speed. To do
this, you can specify in the multimedia system by
how much the maximum permissible speed can
be exceeded before a warning is issued. You can
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set the warning to visual only (the traffic sign
flashes three times in the driver display) or visual
and acoustic, including a warning tone.
Additional functions of Traffic Sign Assist (coun-
try-specific)
Warning for no-entry signs: Traffic Sign Assist can
warn you if you drive the wrong way down a sec-
tion of road, for example on motorway slip roads
or one-way streets.
Warning at pedestrian crossings: if you approach
pedestrian crossings, provided that pedestrians
are in the danger zone or are moving towards it,
Traffic Sign Assist can warn you up to a speed of
approximately 70 km/h.
Warning at stop signs: Traffic Sign Assist can warn
you up to a speed of approximately 70 km/h if
page 510).
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you are about to drive past a stop sign uninten-
tionally. For this to be possible, the signs must be
clear, for example if the system detects more than
one stop sign, or a stop sign can be confirmed
using the digital navigation map. No warning can
be issued if several different signs are detected.
Warning at red lights: Traffic Sign Assist can warn
you up to a speed of approximately 70 km/h if