Mercedes-Benz A-Class Operator's Manual page 183

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V V ehicles wit ehicles with a st h a standar andard Ins d Instr trument Display ument Display: :
A + + symbol next to a tra c sign in the Instru-
ment Display indicates that additional tra c
signs have been detected. These can also be
displayed in the media display and optionally
in the Head-up Display.
If Tra c Sign Assist cannot determine the maxi-
mum permissible speed (e.g. due to missing
signs), the following display appears in the Instru-
ment Display:
This is displayed continuously if the vehicle is in a
country where Tra c Sign Assist is not supported.
Tra c Sign Assist is not available in all countries.
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Also observe the information on display mes-
sages in Tra c Sign Assist ( page 337).
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System limits Syst em limits
The system may be impaired or may not function
particularly in the following situations:
If there is poor visibility, e.g. due to insu cient
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illumination of the road, highly variable shade
conditions, rain, snow, fog or heavy spray.
If there is glare, e.g. from oncoming tra c,
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direct sunlight or re ections.
If the windshield in the area of the multifunc-
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tion camera is dirty, or if the camera is fogged
up, damaged or covered.
If the tra c signs are hard to detect, e.g. due
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to dirt, snow or insu cient lighting, or
because they are covered.
If the information in the navigation system's
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digital map is incorrect or out-of-date.
If signs are ambiguous, e.g. road signs in road-
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works or in adjacent lanes.
If you turn sharply when passing tra c signs
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outside the camera's eld of vision.
Driving and parking 181
Se Setting tting Tr Tra c a c Sign Assist Sign Assist
R R eq equir uirements: ements:
Onl Only v y vehicles wit ehicles with Dr h Driving Assist iving Assistance P ance Pack
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Active Distance Assist DISTRONIC and ECO
Assist must be activated for the automatic
adoption of speed limits.
Multimedia system:
© Settings Assistance
4 5 5
Traffic Sign Assist
5
A A ctiv ctivating or deactiv ating or deactivating aut ating automatic adop omatic adoption of
speed limits (onl speed limits (only v y vehicles wit ehicles with Dr h Driving Assist iving Assistance
P P ack ackag age) e)
Select Limit Adoption.
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Switch the function on or o .
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The speed limits detected by Tra c 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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ackag age: e:
tion of
ance