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194 Driving and parking
Traffic Sign Assist detects traffic signs with mul‐
tifunction camera
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and assists you by display‐
ing detected speed limits and overtaking restric‐
tions in the instrument cluster. The camera also
detects traffic signs with a restriction indicated
by an additional sign (e.g. in wet conditions).
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 specify whether the warning is to be just a
visual warning or an acoustic one as well. If the
automatic speed acceptance for Active Distance
Assist DISTRONIC is activated, the warnings are
suppressed.
Display in the Instrument Display
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Permissible speed
2
Permissible speed when there is a restriction
3
Additional sign with restriction
%
Display of speed restriction signs has priority
over other recognized traffic signs, e.g. over‐
taking restriction signs.
Since Traffic Sign Assist also uses the data
stored in the navigation system, it can update
the display in the following situations without
detecting traffic signs:
When the vehicle changes roads, e.g. for a
R
freeway entry or exit lane.
When a village or city boundary is passed
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which is stored in the digital map.
Traffic Sign Assist is not available in all coun‐
tries. If it is unavailable, display
the speedometer.
System limitations
The system may be impaired or may not function
in the following situations:
If you are driving in conditions of poor visibil‐
R
ity, e.g. due to insufficient illumination of the
road, highly variable shade conditions, or due
to rain, snow, fog or heavy spray.
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is shown in
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