Drive assist sensors and cameras
Fig.100 Left side of the multifunction
steering wheel: button for driver assistance
systems (depending on the version).
Depending on the equipment, the button for
the driver assistance systems is located on the
turn signal and main beam lever or on the mul-
tifunction 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
turn it o or on. A mark indicates that assistant
system is switched on.
●
Next, conrm 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 ›››page32.
Drive assist sensors and
cameras
Front radar
Fig.101 On the front bumper: radar
sensor.
Fig.102 Detection area.
A radar sensor may be
tted to the front
bumper of the vehicle ›››Fig.101. The front
radar detects any objects in its detection zone
›››Fig.102 and provides support for the fol-
lowing functions:
●
Front Assist ›››page158.
●
Adaptive Cruise Control (ACC) ›››page151.
The radar can have a range of up to 120m
(400ft) depending on road and weather con-
ditions.
WARNING
●
The visibility of the radar sensor can be
impaired by dirt or environmental inuen-
ces such as rain, fog, snow, mud, dust, in-
sects etc. In this case the Front Assist and
ACC functions may stop working. The instru-
ment panel displays the following message:
No sensor vision! And the Front Assist
unavailable or ACC unavailable warning lights
come on.
●
Clean the sensor area on the bumper as
indicated in ›››page322, Cleaning the
exterior. When the radar sensor starts cor-
rectly detecting again, the message disap-
pears from the screen and the functions be-
come available again.