Operation
●
OR: the v
ehicle is in a r
egion not included
on the navigation system's map.
No data available
●
The traffic sign detection system does not
work in the current country.
Display of traffic signs
When the traffic sign detection system is
connected, a camera located on the base of
the interior rear-view mirror records the traf-
fic signs in front of the vehicle. After check-
ing and evaluating the information from the
camera, the navigation system and the cur-
rent vehicle data, up to two valid road signs
are displayed, with their corresponding addi-
tional signs:
●
First position. The sign that is currently
valid for the driver is shown in the screen. For
example, a maximum speed limit of 130
km/h (100 mph)
›››
Fig. 54 .
●
Second position. A second traffic sign may
be displayed in the second position, such as
a hazard warning sign, an overtaking prohibi-
tion or an alternative speed limit.
Additional sign: If the windscreen wiper is
working while you are driving, the signal with
the additional rain sign will be shown first, on
the left, as it is the one that is applicable at
the time.
A sign valid only with restrictions, e.g. no
overtaking at certain times, may be dis-
played.
Speed warning (depending on the instru-
ment panel)
If the system detects that the permitted
speed is exceeded, it may warn the driver
with a “gong” and visually with a message on
the dash panel display.
Trailer mode
In vehicles equipped with a towing bracket
device from the factory and a trailer that is
electrically connected to the vehicle, it is
possible to activate or deactivate the display
of specific traffic signs for vehicles with trail-
er, such as speed limits or overtaking prohib-
itions. Activation or deactivation is carried
out in the infotainment system using the
function button > Assistants > Trailer as-
sist
›››
page 89 .
For trailer mode, the display of speed limits
applicable to the type of trailer or to the legal
provisions can be adjusted. The speed is ad-
justed in steps of 10 km/h (5 mph) within a
range of between 60 km/h (40 mph) and
130 km/h (80 mph). If it is adjusted to a
speed greater than that which is permitted in
the country in question for driving with a
trailer, the system automatically displays the
usual speed limits, e.g. in Germany 80 km/h
(50 mph).
If the speed warning for the trailer is deacti-
vated, the system displays the speed limits as
if there were no trailer hitched.
No entry sign
The traffic sign recognition system warns
acoustically and visually in the instrument
panel when a no entry sign is crossed on a
one-way road or an entrance to a motorway
or highway.
Limited operation
The traffic sign detection system has certain
limitations. The following cases may lead the
system to operate with limitations or not at
all:
●
In the case of poor visibility, e.g. in snow,
rain, fog or intense mist.
●
In cases of dazzling, e.g. caused by head-
on traffic or by the sun.
●
When driving at high speeds.
●
If the camera is covered or dirty.
●
If the traffic signs are out of the camera's
field of vision.
●
If the traffic signs are partially or totally
covered, e.g. by trees, snow, dirt or other ve-
hicles.
●
In the case of traffic signs that do not fulfil
the regulations.
74
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