Camera
The camera is installed near the interior rear‐
view mirror.
Keep the windshield in the area behind the in‐
terior rearview mirror clean and clear.
Functional requirements
▷Speed below 130 mph/210 km/h.▷Sufficient lane width.▷Above approx. 43 mph, 70 km/h: lane
marking on both sides is detected.▷Below approx. 43 mph, 70 km/h: lane
marking on both sides or a vehicle driving
ahead is detected.▷At least one hand on the steering wheel
rim.▷Wide curves.▷Drive in the center of the lane.▷Turn signal not actuated.▷Camera calibration immediately after vehi‐
cle delivery is completed.
Switching on/off
Switching on Press button on the steering wheel.
Steering wheel symbol lights up gray.
System activates automatically as soon as all
function conditions are fulfilled, refer to
page 179.
Steering wheel symbol lights up green.
The system is active.
With the system switched on, pedestrian warn‐
ing and side collision warning are active. Set‐
tings on the Control Display remain un‐
changed.
Switch off Press button on the steering wheel.
The indicator goes out.
The system does not manipulate steering.
Automatic interruptionThe system is automatically interrupted in the
following situations:▷At a speed above 130 mph/210 km/h.▷When the steering wheel is released.▷When you manipulate steering.▷When you leave your own lane.▷When the turn signal is on.▷When the lane is too narrow.▷If for a particular time no lane marking is
detected and there is no vehicle driving in
front.
Steering wheel symbol lights up gray.
The system is paused and does not
manipulate steering.
If the system conditions are met, the system
reactivates automatically.
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Displays in the instrument clusterSymbolDescriptionSteering wheel symbol gray:
the system is on standby.Steering wheel symbol green:
system activated.Steering wheel symbol and
lane marking green: the system
assists the driver in keeping
the vehicle within the lane.Steering wheel symbol green,
lane marking gray: no lane
marking detected. The vehicle
follows the vehicle in front.Steering wheel symbol yellow:
hold steering wheel. The sys‐
tem is still active.Steering wheel symbol red and
a signal tone sounds: system
interrupted. It does not manip‐
ulate steering.
Displays in the Head-up Display
All system information can also be displayed in
the Head-up Display.
System limits
When driving with gloves or with protective
covers, contact with the steering wheel cannot
be detected by the sensors. In this case sys‐
tem cannot be used.
When driving within narrow lanes, the system
cannot be activated or meaningfully used.
Do not use the system, e.g.:
▷In construction zones.▷In rescue lanes.▷Within city limits.
Weather
In the event of unfavorable weather and light conditions, e. g. if there is rain, snowfall, slush,
fog or glare, this may result in poorer recogni‐
tion of vehicles as well as short-term interrup‐
tions for vehicles that are already detected. Drive attentively, and react to the current trafficsituation. If necessary, intervene actively, e.g.
by braking, steering or evading.
PDC Park Distance Control The conceptPDC is a support when parking. Objects that
you are approaching slowly in front of or be‐
hind the vehicle are indicated with:
▷Signal tones.▷Visual display.
With parking assistant: obstacles on the side of
the vehicle that are detected by the sensors of
the parking assistant, can also be reported by
the PDC. Side protection, refer to page 183.
General information
Ultrasound sensors in the bumpers and possi‐
bly sideways on the vehicle measure the dis‐
tances from objects.
The maneuvering range, depending on the ob‐
stacle and environmental conditions, is approx.
6 ft/2 m.
An acoustic warning is first given with the fol‐
lowing circumstances:
▷By the front center sensors at ap‐
prox. 74 in/70 cm.▷By the rear middle sensors at approx.
5 ft/1.50 m.▷By the corner sensors at ap‐
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▷With parking assistant: by the side sensors
at approx. 24 in/60 cm.▷When a collision is imminent.
Information
WARNING
The system does not relieve from the
personal responsibility to correctly assess the
traffic situation. Based on the limits of the sys‐
tem, it cannot independently react to all traffic
situations. There is risk of an accident. Adjust
the driving style to the traffic conditions. Watch
traffic closely and actively interfere in the re‐
spective situations.◀
WARNING
Due to high speeds when PDC is acti‐
vated, the warning can be delayed due to
physical circumstances. There is risk of injuries
or risk of property damage. Avoid approaching
an object too fast. Avoid driving off fast while
PDC is not yet active.◀
Overview
Button in the vehicle
PDC Park Distance Control
Ultrasound sensors Ultrasound sensors of the PDC,e.g. in the bumpers.
Functional requirements
To ensure full functionality:▷Do not cover sensors, e.g., with stickers,
bicycle racks.▷Keep the sensors clean and free of ice.
To clean: when using high-pressure washers,
do not spray the sensors for long periods and
maintain a distance of at least 12 in/30 cm.
Switching on/off
Switching on automatically PDC switches on automatically in the following
situations:
▷If selector lever position R is engaged
when the engine is running.▷While approaching detected obstacles if
the speed is slower than approx.
2.5 mph/4 km/h. The activation distance
depends on the situation in question.
You may switch on and off automatic activation
when obstacles are detected.
About iDrive:
1."My Vehicle"2."Vehicle settings"3."Parking"4."Automatic PDC activation": only with re‐
spective equipment.5."Automatic PDC activation"
The setting is stored for the drive profile cur‐
rently used.
Depending on equipment, an appropriate cam‐
era view is also switched on.
Automatic deactivation during forward
travel
The system switches off when a certain driving
distance or speed is exceeded.
Switch the system back on if needed.
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Switching on/off manuallyPress button.▷On: the LED lights up.▷Off: the LED goes out.
The rearview camera image is displayed when
the reverse gear is engaged by pressing the
button.
Display
Signal tones When approaching an object, an intermittent
sound indicates the position of the object. E. g.
if an object is detected to the left rear of the
vehicle, a signal tone sounds from the left rear
speaker.
The shorter the distance to the object, the
shorter the intervals.
If the distance to a detected object is less than
approx. 10 in/25 cm, a continuous tone is
sounded.
If there are objects in front of and behind the
vehicle at the same time, with a distance
smaller than approx. 10 in/25 cm, an alternat‐
ing constant tone will sound.
The interval tone and constant tone are
switched off if the selector lever position P is
engaged.
The interval tone is switched off after a short
time when the vehicle is stationary.
Volume
The ratio of the PDC signal tone volume to the
entertainment volume can be adjusted.
About iDrive:
1."My Vehicle"2."System settings"3."Tone"4."Volume settings"5."PDC"6.Set the desired value.
The setting is stored for the drive profile cur‐
rently used.
Visual warning
The approach of the vehicle to an object is
shown on the Control Display. Objects that are
farther away are already displayed on the Con‐
trol Display before a signal sounds.
The display appears as soon as PDC is acti‐
vated.
The range of the sensors is represented in the
colors green, yellow and red.
Pathway lines are faded in for better estimation
of the required space.
When the image of the rearview camera is dis‐
played, the switch can be made to PDC or to a
different view with obstacle markings as
needed:
"Rear view camera"
Cross traffic warning, refer to page 197: de‐
pending on the equipment, it is warned in the
PDC display against vehicles approaching in
the front or rear from the side.
With parking assistant: emergency
braking function, Active PDC
The concept The emergency braking function of PDC ini‐
tiates an emergency braking in case of acute
risk of collision. Due to system limits, a colli‐
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sion cannot be prevented under all circum‐
stances.
The function is available from walking speed
while backing up or rolling backward.
A press of the gas pedal interrupts the braking
intervention.
After emergency braking to a stop, further
creeping toward an obstacle is possible. To
creep toward the obstacle, lightly press the ac‐
celerator pedal and release it again.
If the accelerator pedal is heavily depressed,
the vehicle drives off as usual. Manual braking
is possible at any time.
General information The system uses the ultrasound sensors of
PDC and parking assistant.
Information WARNING
The system does not relieve from the
personal responsibility to correctly assess the
traffic situation. There is risk of an accident.
Adjust the driving style to the traffic condi‐
tions. Watch traffic and vehicle surroundings
closely and actively interfere in the respective
situations.◀
Activating/deactivating the system About iDrive:1."My Vehicle"2."Vehicle settings"3."Parking"4."Active PDC emergency brake function"5."Active PDC emergency brake function"
The setting is stored for the drive profile cur‐
rently used.
With parking assistant: side
protection
The concept Obstacles on the side of the vehicle are de‐
tected by the sensors of the system. The sys‐
tem warns against these obstacles.
Display
Obstacle markings are displayed sideways on
the vehicle to protect the vehicle sides.
▷Gray markings: the area next to the vehicle
was not captured.▷No markings: no obstacles were detected.▷Color markings: warning against detected
obstacles.
Limits of side protection
The system only displays stationary obstacles
that were previously detected by sensors while passing them.
The system does not detect, whether an ob‐
stacle moves later on. For this reason, at standstill, the markings are shown in the dis‐
play in gray after a certain time. The area next
to the vehicle must be newly captured.
System limits
Limits of ultrasonic measurement Ultrasonic measuring might not function under
the following circumstances:
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▷For persons with certain clothing, e.g.
coats.▷With external interference of the ultra‐
sound, e.g. from passing vehicles or loud
machines.▷When sensors are dirty, iced over, dam‐
aged or out of position.▷Under certain weather conditions such as
high relative humidity, rain, snowfall, ex‐
treme heat or strong wind.▷With tow bars and trailer couplings of other
vehicles.▷With thin or wedge-shaped objects.▷With moving objects.▷With elevated, protruding objects such as
ledges or cargo.▷With objects with corners and sharp edges.▷With objects with a fine surface structure
such as fences.▷For objects with porous surfaces.
Low objects already displayed, e.g., curbs, can
move into the blind area of the sensors before
or after a continuous tone sounds.
Cargo that extends beyond the perimeter of
the vehicle is not taken into account by the
system.
False warnings
PDC may issue a warning under the following
conditions even though there is no obstacle
within the detection range:
▷In heavy rain.▷When sensors are very dirty or covered
with ice.▷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, e.g., in underground ga‐
rages.▷In automatic car washes.▷Through heavy pollution.▷Due to other ultrasound sources, e.g.,
sweeping machines, high pressure steam
cleaners or neon lights.
Malfunction
A Check Control message is displayed.
White symbol is displayed, and the
range of the sensors is dimmed on the
Control Display.
PDC has failed. Have the system checked.
Without Surround View:
rearview camera
The concept The rearview camera provides assistance in
parking and maneuvering backwards. The area
behind the vehicle is shown on the Control
Display.
Information WARNING
The system does not relieve from the
personal responsibility to correctly assess the
traffic situation. There is risk of an accident.
Adjust the driving style to the traffic condi‐
tions. Watch traffic and vehicle surroundings
closely and actively interfere in the respective
situations.◀
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Overview
Button in the vehicle
Rearview camera
Camera
The camera lens is located in the handle of the
tailgate.
The image quality may be impaired by dirt.
Clean the camera lens, refer to page 294.
Switching on/off
Switching on automatically With the engine running, engage lever in posi‐
tion P R.
Automatic deactivation during forward travel
The system switches off when a certain driving
distance or speed is exceeded.
Switch the system back on if needed.
Switching on/off manually
Press button.▷On: the LED lights up.▷Off: the LED goes out.
The PDC is shown on the Control Display.
The rearview camera image is displayed when
the reverse gear is engaged by pressing the
button.
Switching the view via iDrive With PDC activated:
"Rear view camera"
The rearview camera image is displayed.
Display on the Control Display
Functional requirement
▷The rearview camera is switched on.▷The trunk lid is fully closed.
Assistance functions
Activate/deactivate assistance
functions
More than one assistance function can be ac‐
tive at the same time.
▷ "Parking aid lines"
Pathway lines and turning radius lines are
displayed, refer to page 186.▷ "Obstacle marking"
Spatially-shaped markings are displayed,
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Parking aid linesPathway lines
Pathway lines help you to estimate the space
required when parking and maneuvering on
level roads.
Pathway lines depend on the current steering
angle and are continuously adjusted to the
steering wheel movements.
Turning circle lines
Turning circle lines can only be superimposed
on the rearview camera image together with
pathway lines.
Turning circle lines show the course of the
smallest possible turning radius on a level
road.
Only one turning radius line is displayed after
the steering wheel is turned past a certain an‐
gle.
Parking using pathway and turning radius
lines1.Position the vehicle so that the red turning
radius line leads to within the limits of the
parking space.2.Turn the steering wheel to the point where
the green pathway line covers the corre‐
sponding turning radius line.
Obstacle marking
Obstacles behind the vehicle are detected by
the PDC sensors.
Obstacle markings can be faded into the image
of the rearview camera.
Their colored margins of the obstacle mark‐
ings match the markings of the PDC.
Setting brightness and contrast via
iDrive
With the rearview camera switched on:
1.Move the controller to the left.2.▷ "Brightness"▷ "Contrast"3.Set the desired value.
System limits
Deactivated camera If the camera is deactivated, e.g. if the tailgate
is open, the camera image is displayed
hatched in gray.
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