Driving comfort
Controls
The range of the sensors is represented in the
colors green, yellow and red.
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If cargo protrudes.
Low objects already displayed, for instance
curbs, can move into the blind area of the
sensors before or after a continuous tone
sounds.
When the image of the rearview camera is dis‐
played, the switch can be made to PDC:
"Rear view camera"
False warnings
System limits
The system may issue a warning under the fol‐
lowing conditions even though there is no ob‐
stacle within the detection range:
Safety information
WARNING
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In heavy rain.
The system can react not at all, too late,
incorrectly, or without justification due to the
system limits. There is a risk of accidents or
risk of damage to property. Follow the informa‐
tion regarding the system limits and actively
intervene, if needed.◀
When sensors are very dirty or covered
with ice.
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When sensors are covered in snow.
On rough road surfaces.
On uneven surfaces, such as speed
bumps.
Limits of ultrasonic measurement
Ultrasonic measurements might not function in
the following situations:
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In large buildings with right angles and
smooth walls, for instance in underground
garages.
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For small children and animals.
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In automatic vehicle washes.
Due to heavy exhaust.
For persons with certain clothing, for in‐
stance coats.
Due to other ultrasound sources, for in‐
stance sweeping machines, high pressure
steam cleaners or neon lights.
▷
With external interference of the ultra‐
sound, for instance from passing vehicles
or loud machines.
If necessary, switch off automatic PDC activa‐
tion on obstacle detection, for instance in vehi‐
cle washes, to reduce false alarms.
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When sensors are dirty, iced over, dam‐
aged or out of position.
Under certain weather conditions such as
high relative humidity, wet conditions,
snowfall, extreme heat, or strong wind.
Malfunction
A Check Control message is displayed.
▷
With tow bars and trailer couplings of other
vehicles.
The range of the sensors is shown as a shaded
area on the Control Display.
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With thin or wedge-shaped objects.
With moving objects.
PDC has failed. Have the system checked by a
dealer’s service center or another qualified
service center or repair shop.
With elevated, protruding objects such as
ledges or cargo.
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With objects with corners and sharp edges.
With objects with a fine surface structure
such as fences.
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For objects with porous surfaces.
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