178Driving and operatingFault
In the event of a fault with the adaptive
cruise control, you are alerted by the
illumination of a warning light and the display of a message in the
instrument panel, accompanied by an
audible signal.
The adaptive cruise control may not
operate correctly if traffic signs do not comply with the Vienna Convention
on Road Signs and Signals.
Have the system checked by a dealer
or a qualified workshop.
As a safety measure, do not use the
system if the brake lights are faulty.
Forward collision alert The forward collision alert may help toavoid or reduce the harm caused by
front-end crashes.
The forward collision alert uses the front camera in the windscreen to
detect a preceding vehicle directly
ahead, in your path.If a vehicle directly ahead is
approached too quickly, a warning
chime and alert in the Driver
Information Centre is provided.9 Warning
Forward collision alert is just a
warning system and does not
apply the brakes. When
approaching a vehicle ahead too
rapidly, it may not provide you
enough time to avoid a collision.
The driver accepts full
responsibility for the appropriate
following distance based on traffic, weather and visibility conditions.
The complete attention of the
driver is always required while
driving. The driver must always be
ready to take action and apply the
brakes.
Activation
Forward collision alert detects
vehicles and operates automatically
at all speeds above 3 mph and
53 mph. The system detects
stationary vehicles if the speed does
not exceed 50 mph.
Alerting the driver
The driver is warned by following
alerts:
● Symbol , illuminates and a
warning message is displayed in the Driver Information Centre
when the distance to the vehicle
ahead gets to small.
● Symbol , illuminates, a warning
message is displayed in the
Driver Information Centre and a
warning chime sounds, when a
collision is imminent and
immediate driver's action is
required.
180Driving and operatingForward collision alert 3 178
Front pedestrian protection 3 182
The feature uses various inputs (e.g.
camera sensor, brake pressure,
vehicle speed) to calculate the
probability of a frontal collision.9 Warning
This system is not intended to
replace the driver responsibility for driving the vehicle and looking
ahead. Its function is limited to
supplemental use only to reduce
the vehicle speed before a
collision.
The system may not react to
animals. After a sudden lane
change, the system needs a
certain time to detect the next
preceding vehicle.
The driver must always be ready
to take action and apply the brakes and steer to avoid collisions.
Functionality
Active emergency braking is
equipped with a front camera and
operates in forward gear above
walking speed up to 53 mph. The
system detects stationary vehicles
only if the speed does not exceed
50 mph.
A precondition is that active
emergency braking is not deactivated
in the vehicle personalisation menu
3 116.
If deactivated, m illuminates in the
instrument cluster and a warning
message is displayed in the Driver
Information Centre
If the system has been deactivated
manually, it is reactivated
automatically the next time the
ignition is switched on.
The system includes: ● emergency automatic braking● forward collision alert
● front pedestrian protectionEmergency automatic braking
After activation of brake preparation
system and just before the imminent
collision, this function automatically
applies limited braking to reduce the
impact speed of the collision or
prohibit a crash.
If active emergency braking is
applied, m flashes in the instrument
cluster.
Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Front automatic braking can only
occur if a vehicle or a pedestrian
ahead is detected.
Forward collision alert 3 178
Front pedestrian protection 3 182
Below a speed of 19 mph, emergency automatic braking may slow down thevehicle to a complete stop. If the
speed exceeds 19 mph, emergency automatic braking reduces the speed.
However, the driver must apply the
brake.
182Driving and operatingFault
In case the system requires a service,
m is illuminated in the instrument
cluster, a message is displayed in the Driver Information Centre and an
audible signal is given.
If the system does not work as it
should do, vehicle messages are
displayed in the Driver Information
Centre.
Vehicle messages 3 115.
Front pedestrian protection
Front pedestrian protection may help
to avoid or reduce the harm caused
by front-end crashes with pedestrians when driving forward.
The system uses the front camera in the windscreen to detect a pedestrian
directly ahead in your path.
Front pedestrian protection can
detect and alert to pedestrians in a
forward gear at speeds between
3 mph and 37 mph.
During nighttime driving, system
performance is limited.9 Danger
Front pedestrian braking does not
provide an alert or automatically
brake the vehicle, unless it detects
a pedestrian.
The system may not detect
pedestrians, including children,
when the pedestrian is not directly ahead, not fully visible, not
standing upright, or when part of a
group.
Front pedestrian protection includes:
● detecting front pedestrian ahead● front pedestrian alert
Front pedestrian protection is
activated together with forward
collision alert.
Forward collision alert 3 178.
Detecting front pedestrian ahead
A pedestrian ahead up to a distance
of approximately 40 m is indicated by
a symbol in the instrument cluster.
Front pedestrian alert
When approaching a detected
pedestrian too quickly, a warning
message is displayed in the Driver
Information Centre. A warning chime
is provided.
Cruise control or Adaptive cruise
control may be disengaged when the
front pedestrian alert occurs.
System limitations In the following cases, front
pedestrian protection may not detect
a pedestrian ahead or sensor
performance is limited:
● vehicle speed is out of range from
3 mph to 37 mph in forward gear
● the distance to an pedestrian ahead is more than 40 m
● driving on winding or hilly roads
● driving during nighttime
● weather limits visibility, such as fog, rain, or snow
Driving and operating183● the sensor in the windscreen isblocked by snow, ice, slush, mud,dirt etc.
● the windscreen is damaged or affected by foreign objects, e.g.
stickers
Parking assist
General information When attaching a trailer or bicycle
carrier to the trailer hitch, the parking
assist is deactivated.9 Warning
The driver bears full responsibility
for the parking manoeuvre.
Always check the surrounding
area when driving backwards or
forwards while using parking
assist system.
Rear parking assist
The system warns the driver with
acoustic signals against potentially
hazardous obstacles behind the
vehicle in a distance range up to
50 cm while reverse gear is engaged.
The system operates with ultrasonic
parking sensors in the rear bumper.
Activation
Rear parking assist is activated when
reverse gear is engaged and ignition
is switched on. This is confirmed by
an accoustic chime.Graphic Info Display: The system is
ready to operate when the LED in the
parking assist button ¼ is not
illuminated.
Colour Info Display: Activate the
parking assist in the vehicle
personalisation 3 116.
Indication
Depending on which side of the
vehicle is closer to an obstacle, you
will hear acoustic warning signals in
the vehicle on the respective side.
The interval between the sounds
becomes shorter as the vehicle gets
closer to that obstacle. When the
distance is less than approx. 30 cm, the sound is continuous.
184Driving and operating
Additionally, the distance to rear
obstacles is displayed by changing
distance lines in the Info Display
3 111. When the obstacle is very
close, 9 for danger is displayed.
Deactivation
The system is switched off when
reverse gear is disengaged. Press ¼
to deactivate the system manually.
The LED in the button illuminates
when the system is deactivated. If the
system has been deactivated
manually, it is not reactivated
automatically the next time the
ignition is switched on.
Graphic Info Display: The system is
switched off when the LED in the
parking assist button ¼ is illuminated.
Colour Info Display: Deactivate the
parking assist in the vehicle
personalisation 3 116. The state of
the system
Front-rear parking assist
The front-rear parking assist
measures the distance between the
vehicle and obstacles in front and
behind the vehicle. It informs and
warns the driver by giving acoustic
signals and display indication.
It uses two different acoustic warning signals for the front and rear
monitoring areas, each with a
different tone frequency.
The system operates with ultrasonic
parking sensors in the rear and front
bumper.
Activation
In addition to the rear parking assist,
the front parking assist is triggered
when an obstacle is detected in front
and the speed of the vehicle is below 6 mph.Graphic Info Display: The system is
ready to operate when the LED in the
parking assist button ¼ is not
illuminated.
Colour Info Display: Activate the
parking assist is in the vehicle
personalisation 3 116.
Indication
Depending on which side of the
vehicle is closer to an obstacle, you
will hear acoustic warning signals in the vehicle on the respective side.
The interval between the sounds
becomes shorter as the vehicle gets
closer to that obstacle. When the
distance is less than approx. 30 cm,
the sound is continuous.
Driving and operating185
Additionally, the distance to rear and
front obstacles is displayed by
changing distance lines in the Info Display 3 111.
If the vehicle stops for more than
three seconds in a forward gear, if
automatic transmission is in P or if no
further obstacles are detected, no
acoustic warning signals are given.
Deactivation
The system is deactivated
automatically when vehicle speed
exceeds 6 mph, by applying the
electric parking brake or by pressing
the parking assist button ¼.
Graphic Info Display: The system is
switched off when the LED in the
parking assist button ¼ is illuminated.
Colour Info Display: Deactivate the
parking assist in the vehicle
personalisation 3 116.
Front-rear-lateral parking assist The front-rear-lateral parking parking
assist measures the distance
between the vehicle and obstacles in
front, behind and at the sides of the
vehicle. It informs and warns the
driver by giving acoustic signals and
display indication.
The system operates with ultrasonic parking sensors in the rear and front
bumper and on the flanks of the
vehicle.
Activation
In addition to the rear parking assist
and the front-rear assist, the front-
rear-lateral parking assist is triggered
when the system detects fixed
obstacles located to one or both sides
of the vehicle.Graphic Info Display: The system is
ready to operate when the LED in the parking assist button ¼ is not
illuminated.
Colour Info Display: Activate the
parking assist is in the vehicle
personalisation 3 116.
Indication
Depending on which side of the
vehicle is closer to an obstacle, you
will hear acoustic warning signals in
the vehicle on the respective side.
The interval between the sounds
becomes shorter as the vehicle gets closer to that obstacle. When the
distance is less than approx. 30 cm,
the sound is continuous.
186Driving and operating
Additionally, the distance to rear, front
and lateral obstacles is displayed by
changing distance lines in the Colour
Info Display 3 111.
Deactivation
The system is deactivated
automatically when vehicle speed
exceeds 6 mph, by applying the
electric parking brake or by pressing
the parking assist button ¼.
Graphic Info Display: The system is
switched off when the LED in the
parking assist button ¼ is illuminated.
Colour Info Display: Deactivate the
parking assist in the vehicle
personalisation 3 116.
System limitations In the event of a fault or if the system
does not work temporarily, e.g. because of high external noise level
or other interference factors, H
illuminates in the instrument cluster.
A message is displayed in the Driver
Information Centre.9 Warning
Under certain circumstances,
various reflective surfaces on
objects or clothing as well as
external noise sources may cause the system to fail to detect
obstacles.
Special attention must be paid to
low obstacles which can damage
the lower part of the bumper.
Caution
Performance of the system can be reduced when sensors are
covered, e.g. by ice or snow.
Performance of the parking assist
system can be reduced due to
heavy loading.
Special conditions apply if there
are taller vehicles in the vicinity
(e.g. off-road vehicles, mini vans,
vans). Object identification and correct distance indication in the
upper part of these vehicles
cannot be guaranteed.
Objects with a very small reflection
cross-section, e.g. objects of
narrow size or soft materials, may
not be detected by the system.
Parking assist systems do not
detect objects outside the
detection range.
Driving and operating187Advanced parking assist9Warning
The driver bears full responsibility
for accepting the parking slot
suggested by the system and the
parking manoeuvre.
Always check the surrounding
area in all directions when using
the advanced parking assist.
The advanced parking assist
measures a suitable parking slot
while passing, calculates the
trajectory and automatically steers
the vehicle while parking.
Advanced parking assist provides
assistance for the following
manoeuvres:
● entry into a parallel parking slot
● entry into a perpendicular parking
slot
● exit from a parallel parking slot
The driver must control acceleration, braking and gear shifting, while
steering is done automatically. The driver can take control at any time by
gripping the steering wheel.
It may be necessary to move forwards and backwards more than once.
Instructions are given in the Info
Display 3 111.
Advanced parking assist can only be activated when driving forwards.
Entry into a parallel parking slot
Activation
Slow down the vehicle speed below 19 mph.
Colour Info Display: to search for a
parking slot, activate the system by
pressing Í. Select Driving functions
on the Info Display and then Park
Assist . Select Enter parallel parking
space .
Select parking side by switching on
the turn light on the respective side.
The allowed parallel distance
between the vehicle and a row of
parked cars is between 0.5 m and 1.5 m.For entering into a parallel parkingslot, the minimum length of the slotmust be equal to the length of your
vehicle plus 0.6 m. The system will not identify slots that are clearly
smaller or larger than the vehicle.
When a free slot is detected, a visual
feedback on the Info Display and a
first acoustic signal is given. Drive
slowly forwards. When the second
acoustic signal is given, stop the
vehicle, select reverse gear, release
the steering wheel and start moving
slowly. A visual feedback is given on
the Info Display.