Drive assist sensors and cameras
The button for the driver assistance systems
is located on the multifunction steering wheel.
This button can be used to switch the driver
assistance systems in the Assistants menu on
and o.
●
Press the button to open the Assistants
menu.
●
Select the assistance system in question and
turn it o or on. A mark indicates that assistant
system is switched on.
●
Next, confirm the selection by pressing the
button on the multifunction steering wheel.
The assistant systems can also be switched on
and o in the infotainment system, in the vehi-
cle settings menu ›››page39.
Drive assist sensors and
cameras
Front radar
Fig.127 On the front bumper: radar sensor.
Fig.128 Detection area.
A radar sensor may be fitted to the front
bumper of the vehicle ›››Fig.127.
The front radar detects any objects in its detec-
tion zone ›››Fig.128 and provides support for
the following functions:
●
Front Assist ›››page207.
●
Adaptive Cruise Control (ACC)
›››page200.
The radar can have a range of up to 120m
(400ft) depending on road and weather condi-
tions.
Automatic deactivation of supported func-
tions
The front sensor deactivates automatically
when, among other reasons, it is detected that
it is permanently covered. This may be the case
if, for example, there is a layer of snow or ice on
top of the sensor.
If the sensor is deactivated, the instrument clus-
ter will temporarily display the message “Driver
assist now limited. Front sensors without vis-
ibility” accompanied by an audible signal.
Due to the front sensor systems not being able
to see, each of the ACC and Front Assist func-
tions will be shown as permanently disabled.
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