Instruments and warning/control lamps
the infotainment system using the button
> SETTINGS > Driver assistance.
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 three valid traffic
signs are displayed
›››
Fig. 59 B in conjunc-
tion with their corresponding additional
signs.
The sign that is currently valid for the
driver is shown in the left side of the
screen For example, a maximum speed
limit of
130 km/h
(
100 mph
)
›››
Fig. 59 A.
A sign valid only in certain circum-
stances, e.g.
100 km/h
(
60 mph
) is shown
second, together with the additional
rain 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, will be
displayed third
›››
Fig. 59 C.
First:
Second:
Additional sign:
Third:
Speed warning
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.
The speed warning can be set or completely
switched off in the infotainment system using
the button
> SETTINGS > Driver as-
sistance
›››
page 84 . The speed is adjus-
ted in steps of 5 km/h (3 mph) within a range
of between 0 km/h (mph) and 20 km/h
(12 mph) above the maximum speed permit-
ted.
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. It is switched on or off in the infotain-
ment system, using the button
> SET-
TINGS > Driver assistance
›››
page 84 .
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.
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.
●
In the case of damaged or bent traffic
signs.
●
In the case of variable messages on over-
head or gantry signs (LED-based variable
traffic signs or other lighting units).
»
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