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Assistant systems
177
Drive assist sensors and cameras
Fig.121 L
eft side of the multifunction steering
wheel: button for driver assistance systems
(depending on the version).
Depending on the equipment, the button for the
driv
er assistance systems is located on the turn
signal and main beam lever or on the multifunc-
tion 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 Assis-
tants menu.
●
Select the assistance system in question and
t
urn 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 assist
ant systems can also be switched on
and o in the infotainment system, in the vehi-
cle settings menu ›››page40.
Drive assist sensors and
camer
as
Front radar
Fig.122 On the fr
ont bumper: radar sensor.
Fig.123 Det
ection area.
A radar sensor may be fitt
ed to the front
bumper of the vehicle ›››Fig.122. The front
radar detects any objects in its detection zone
›››Fig.123 and provides support for the follow-
ing functions:
●
Front Assist ›››page191.
●
Adaptive Cruise Control (ACC) ›››page183.
The r
adar can have a range of up to 120m
(400ft) depending on road and weather condi-
tions.
WARNING
●
The visibility of the radar sensor can be
impair
ed by dirt or environmental influences
such as rain, fog, snow, mud, dust, insects
etc. In this case the Front Assist and ACC
functions may stop working. The instrument
panel displays the following message: No
sensor vision! And the Front Assist un-
available or ACC unavailable warning lights
come on.
●
Clean the sensor area on the bumper as
indicat
ed in ›››page366, Cleaning the ex-
terior. When the radar sensor starts correctly
detecting again, the message disappears
from the screen and the functions become
available again.
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