Mercedes-Benz E-Class Coupe 2021 Operator's Manual page 197

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.
% 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‐
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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digital map is incorrect or out-of-date.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
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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.
% 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
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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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