If Traffic Sign Assist cannot determine the maxi‐
mum permissible speed (e.g. due to missing
signs), the following display appears in the
Instrument Display:
This is displayed continuously if the vehicle is in
a country where Traffic Sign Assist is not sup‐
ported. Traffic Sign Assist is not available in all
countries.
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Also observe the information on display mes‐
sages in Traffic Sign Assist (
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System limits
The system may be impaired or may not function
particularly in the following situations:
If there is poor visibility, e.g. due to insuffi‐
R
cient illumination of the road, if there are
highly variable shade conditions or in rain,
snow, fog or heavy spray.
If there is glare, e.g. from oncoming traffic,
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direct sunlight or reflections.
If the windshield in the area of the multifunc‐
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tion camera is dirty, or if the camera is fog‐
ged up, damaged or covered.
If the traffic signs are hard to detect, e.g. due
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to dirt or snow, because they are covered, or
due to insufficient lighting.
If the information in the navigation system's
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digital map is incorrect or out-of-date.
If the signs are ambiguous, e.g. traffic signs
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on construction sites or in adjacent lanes.
If you turn sharply when passing traffic signs
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outside the camera's field of vision.
page 348).
Setting Traffic Sign Assist
Requirements:
Only vehicles with Driving Assistance
R
Package:
Active Distance Assist DISTRONIC and ECO
Assist must be activated for the automatic
adoption of speed limits.
Driving and parking 195
Multimedia system:
©
Settings
Assistance
4
5
5
Traffic Sign Assist
5
Activating or deactivating automatic adop‐
tion of speed limits (only vehicles with Driv‐
ing Assistance Package)
Select
Limit
Adoption.
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Activate or deactivate the function.
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The speed limits detected by Traffic Sign
Assist are automatically adopted by Active
Distance Assist DISTRONIC.
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If one of the following systems is activated,
the detected speed can be manually adopted
as the speed limit:
Active Distance Assist DISTRONIC
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Cruise control
R
Variable limiter
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Further information (
page 180).
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Displaying detected traffic signs in the
media display
Select
Display in Central
Display.
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