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Indicators on the instrument display
Instrument display in the widescreen cockpit
1
Maximum permissible speed
2
Maximum permissible speed when there is a
restriction
3
Additional sign with restriction (e.g. in wet
weather)
The system can show up to two traffic signs simul-
taneously. The system will always prioritize dis-
playing speed limits. A maximum of one traffic
sign with a maximum permissible speed can be
shown on the head-up display. If two speed signs
are shown on the instrument display, e.g. in the
case of detected restrictions, the value of the left-
hand speed limit
1
will always be transmitted to
the cruise control system or Active Distance
Assist DISTRONIC for acceptance and shown on
the head-up display.
%
Vehicles with a standard instrument display: a
+ symbol next to a traffic sign on the instru-
ment display indicates that additional traffic
signs have been detected. These can also be
shown on the media display and optionally on
the head-up display.
If Traffic Sign Assist cannot determine the maxi-
mum permissible speed (e.g. due to missing
signs), the following display will appear:
This will be displayed permanently 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 (
page 362).
/
Driving and parking 213
System limits
The system may be impaired or may not function
particularly in the following situations:
If visibility is poor, e.g. due to insufficient illu-
R
mination of the road, highly variable shade
conditions, rain, snow, fog, swirling dust or
heavy spray.
If there is glare, e.g. from oncoming traffic,
R
direct sunlight or reflections.
If there is dirt on the windshield in the vicinity
R
of the multifunction camera or if the camera is
fogged up, damaged or obscured.
if the traffic signs are difficult to see because,
R
for example, they are dirty, obscured, faded,
iced over, damaged, inconveniently positioned,
insufficiently illuminated or distorted.
Active traffic signs with LED displays may not
R
be detected correctly or at all due to technical
factors, such as transmission frequency.
If the information on the navigation system's
R
digital map is incorrect, incomplete or out of
date.
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