▷ Under certain weather conditions such as
high relative humidity, wet conditions, snow‐
fall, extreme heat, or strong wind.
▷ With tow bars and trailer couplings of other
▷ With thin or wedge-shaped objects.
▷ With moving objects.
▷ With elevated, protruding objects such as
▷ With objects with corners, edges, and
▷ With objects with a fine surface structure
such as fences.
▷ For objects with porous surfaces.
▷ With small and low objects, for instance
▷ With obstacles and persons at the edge of
▷ With soft obstacles or obstacles covered in
▷ With plants and bushes.
▷ Low objects already displayed, for instance
curbs, can move into the blind area of the
sensors before or after a continuous tone
▷ Cargo that extends beyond the perimeter of
the vehicle is not taken into account by the
The system may issue a warning under the fol‐
lowing conditions even though there is no obsta‐
cle within the detection range:
▷ In heavy rain.
▷ When sensors are very dirty or covered with
▷ When sensors are covered in snow.
▷ On rough road surfaces.
▷ On uneven surfaces, such as speed bumps.
▷ In large buildings with right angles and
smooth walls, for instance in underground ga‐
▷ In automatic vehicle washes.
▷ Due to heavy exhaust.
▷ When the trailer hitch cover is not on straight.
▷ Due to other ultrasound sources, for instance
sweeping machines, high pressure steam
cleaners or neon lights.
To prevent false alarms, switch off automatic
PDC activation on obstacle detection, refer to
page 212, for instance in automatic vehicle
A Check Control message is displayed.
White symbol is displayed, and the range
of the sensors is dimmed on the Control
PDC has failed. Have the system checked by a
dealer’s service center or another qualified serv‐
ice center or repair shop.
Without Surround View:
The rearview camera provides assistance in
parking and maneuvering backwards. The area
behind the vehicle is shown on the Control Dis‐
The system cannot serve as a substitute for the
driver’s personal judgment in assessing the
traffic situation. There is a risk of an accident.
Adjust driving style to traffic conditions. Watch
Driver assistance systems
Online Edition for Part no. 01402896703 - X/18