Sensors of the vehicle
CONTROLS
Functional requirement of the
ultrasonic sensors
Ultrasonic sensors
The areas of the ultrasonic sensors are clean
and clear.
Ultrasonic sensors, front
Additional information:
▷
▷
Washing the vehicle, refer to page 376.
Vehicle care, refer to page 378.
System limits of the ultrasonic
sensors
The detection of objects with ultrasonic meas-
urements can run into physical limits, e.g., in
the following situations:
The ultrasonic sensors of the parking assis-
tance systems are located in the front bumper.
▷
▷
▷
If the sensors are dirty or covered, e.g., by
stickers.
Ultrasonic sensors, rear
If the sensor is not aligned correctly, for in-
stance due to parking damage.
After improper paint work on the vehicle in
the area of the sensors.
▷
▷
For small children and animals.
For persons with certain clothing, for in-
stance jacket.
▷
▷
With obstacles and persons at the edge of
the lane.
In case of external interference with the
ultrasonics, for instance from passing ve-
hicles, loud machines or other ultrasonic
sources.
The ultrasonic sensors of the parking assis-
tance systems are located in the rear bumper.
Ultrasonic sensors, side
▷
▷
Under certain weather conditions, e.g., high
moisture, wet conditions, snowfall, cold, ex-
treme heat, or strong wind.
With tow bars and trailer hitches of other
vehicles.
▷
▷
▷
With thin or wedge-shaped objects.
With moving objects.
With elevated, protruding objects such as
ledges.
▷
With objects with corners, edges, and
smooth surfaces.
The ultrasonic sensors for the parking assis-
tance systems are located on the sides of the
front and rear bumpers.
43
Online Edition for Part no. 01405B37D97 - II/24
English 
