Ultrasonic sensors, rear
The ultrasonic sensors of the parking as-
sistance systems are located in the rear
bumper.
Ultrasonic sensors, side
The ultrasonic sensors for the parking assis-
tance systems are located on the sides of
the front and rear bumpers.
Functional requirement of the
ultrasonic sensors
For the ultrasonic sensors to function cor-
rectly, the area around the ultrasonic sen-
sors must be kept clean and free.
Additional information:
– Washing the vehicle, refer to page 341.
– Vehicle care, refer to page 342.
System limits of the ultrasonic
sensors
The detection of objects with ultrasonic
measurements can run into physical limits,
e.g., in the following situations:
– If the sensors are dirty or covered, e.g.,
by stickers.
– If the sensor is not aligned correctly, for
instance due to parking damage.
– After improper paint work on the vehi-
cle in the area of the sensors.
– For small children and animals.
– For people with specific clothing, e.g.,
coat.
– With obstacles and persons at the edge
of the lane.
– In case of external interference with the
ultrasonics, for instance from passing
vehicles, loud machines or other ultra-
sonic sources.
– Under certain weather conditions, e.g.,
high moisture, wet conditions, snowfall,
cold, extreme heat, or strong wind.
– With tow bars and trailer hitches of
other vehicles.
– With thin or wedge-shaped objects.
– With moving objects.
– For elevated, protruding objects, e.g.,
wall ledges.
– With objects with corners, edges, and
smooth surfaces.
– In the case objects with fine surfaces or
structures, e.g., wire mesh fences.
– For objects with porous surfaces.
– With small and low objects, e.g., boxes.
– Low objects already displayed, for in-
stance curbs, can be outside of the de-
tection ranges of the sensors.
– With soft obstacles or obstacles covered
in foam material.
Seite 37
Sensors of the vehicle CONTROLS
37
Online Edition for Part no. 01405B37A59 - II/24
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