Driving and operating165Increasing speedWith the adaptive cruise control
active, hold the thumb wheel moved
to RES/+ or briefly move to RES/+
repeatedly: The speed increases continuously or in small increments.
Reducing speed
With the adaptive cruise control
active, hold the thumb wheel moved
to SET/- or briefly move to SET/-
repeatedly: The speed decreases
continuously or in small increments.
Resuming stored speed Move the thumb wheel to RES/+ at a
speed above 30 km/h. The adaptive cruise control is activated with the
stored set speed.
Taking over the speed limit from
the traffic sign assistant
The intelligent speed adaptation
informs the driver when a speed limit
is detected by the traffic sign
assistant. The detected speed limit
can be taken over as new set speed
for the adaptive cruise control.With the camera at the top of the windscreen, this system detects and
reads speed limit and end of speed
limit signs. The system also takes
account of information on speed limits
from the navigation map data.
The function can be activated or
deactivated in the personalisation
menu 3 106.
If the adaptive cruise control is active, the recognised speed limit will be
displayed in the Driver Information
Centre and MEM illuminates.
In the Driver Information Centre,
speed limit sign is shown in the
display and MEM illuminates for a few
seconds.
Press MEM on the steering wheel to
request saving of the suggested
speed.
Press MEM on the steering wheel
once more to confirm and save the
new speed setting.
This speed limit is now the new set
speed of the adaptive cruise control.Adaptive cruise control on
vehicles with automatic
transmission
For vehicles with automatic
transmission, adaptive cruise control
allows to maintain the selected
distance behind a stopping vehicle
until a complete stop is reached.
If the system has stopped your
vehicle behind another vehicle, then
the set speed is replaced by a green
control indicator .. This symbol
notifies, that the vehicle is hold
automatically in stop position.
If the stopped vehicle ahead was
stopped for a longer time and then
begins to move forward, the green
illuminated vehicle ahead control
indicator . will flash and a warning
chime will sound as a reminder to check traffic before resuming.
When the vehicle ahead drives away,
press the accelerator pedal until
30 km/h and then move the thumb
wheel to SET- or RES+ to resume
adaptive cruise control. If the vehicle
stays stopped for more than five
minutes or if the driver's door is
Driving and operating167The adaptive cruise control is
deactivated automatically when:
● The brake pedal is depressed.
● The vehicle accelerates above 180 km/h or slows down below
30 km/h.
● The electric parking brake is applied.
● The Traction Control system or Electronic Stability Control is
deactivated or operating.
● The selector lever of automatic transmissions is neither in D nor
in M.
● A fault is detected in the Electronic Stability Control or theradar system.
Switching off the system Press C, the adaptive cruise control
mode is disabled and the adaptive
cruise control indication extinguishes
in the Driver Information Centre.
Pressing ß to activate the speed
limiter deactivates adaptive cruise
control.Switching off the ignition deletes the
stored set speed.
Driver's attention ● Use the adaptive cruise control carefully on bends or mountain
roads, as it can lose the vehicle
ahead and needs time to detect it again.
● Do not use the system on slippery roads as it can create
rapid changes in tyre traction
(wheel spinning), so that you
could lose control of the vehicle.
● Do not use the adaptive cruise control during rain, snow or
heavy dirt, as the radar sensor
can be covered by a water film,
dust, ice or snow. This reduces or suppresses completely the
visibility. In case of sensor
blockage, clean the sensor
cover.
● Do not use the system when the spare wheel is in use.System limits9Warning
The system's automatic brake
force does not permit hard braking and the braking level may not be
sufficient to avoid a collision.
● After a sudden lane change, the system needs a certain time to
detect the next preceding
vehicle. So if a new vehicle is
detected, the system may
accelerate instead of braking.
● The adaptive cruise control does ignore the oncoming traffic.
● The adaptive cruise control does not consider pedestrians and
animals for braking and driving
off.
● The adaptive cruise control considers stopped vehicles only
at low speed.
Driving and operating1739Warning
Active emergency braking is not
designed to apply hard
autonomous braking or to
automatically avoid a collision. It is designed to reduce the vehicle
speed before a collision. It may not
react to animals. After a sudden
lane change, the system needs a
certain time to detect the next
preceding vehicle.
The complete attention of the
driver is always required while
driving. The driver must always be
ready to take action and apply the brakes and steer to avoid
collisions.
The system is designed to work with
all occupants wearing their seat belts.
Intelligent brake assist
If the vehicle is equipped with radar
sensor, intelligent brake assist may
be available. Intelligent brake assist
provides a boost to braking when the
brake pedal is quickly applied. The
braking is based on the speed of
approach and distance to a vehicle
ahead.
Minor brake pedal pulsations or pedal movement during this time is normal
and the brake pedal should continue to be applied as needed. Intelligent
brake assist will automatically
disengage only when the brake pedal is released.9 Warning
Intelligent brake assist may
increase vehicle braking in
situations when it may not be
necessary. You could block the
flow of traffic. If this occurs, take
your foot off the brake pedal and
then apply the brakes as needed.
Forward collision alert 3 169.
Front pedestrian protection 3 174.
Deactivation Active emergency braking can be
deactivated in the personalisation
menu 3 106. If deactivated, m
illuminates in the instrument cluster
and a warning message is displayed
in the Driver Information Centre.
We recommend to deactivate the
system in the vehicle personalisation
in the following cases:
● when towing a trailer or caravan
● when carrying long objects on roof bars or a roof rack
● when the vehicle is being towed with the engine running
● when a spare wheel is fitted that is smaller than the other wheels
● before using an automatic car wash with the engine running
● before placing the vehicle on a rolling road in a workshop
● if the windscreen has been damaged close to the camera
● if the front bumper has been damaged
● if the brake lamps are not working
System limitations In some cases, the active emergencybraking system may provide an
automatic braking in situations that
Driving and operating179The 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 3 103.
Advanced parking assist can only be activated when driving forwards.
Advanced parking assist is always
combined with front-rear parking assist.
The system has six ultrasonic parking
sensors each in both the rear and
front bumper.
Entry into a parallel parking slot
Activation
Slow down the vehicle speed below
20 km/h.
7'' Colour Info Display: to search for a parking slot, activate the system by
selecting Park Assist on the Info
Display. Then select Enter parallel
parking space .
8'' 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.
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.
180Driving and operating
Move forwards and backwards while
observing the warnings of the Parking
assist until the end of manoeuvre is
indicated.
Entry into a perpendicular parking
slot
Activation
7'' Colour Info Display: to search for a parking slot, activate the system by
selecting Park Assist on the Info
Display. Then select Enter
perpendicular parking space .
8'' Colour Info Display: when search for a parking slot, activate the system by pressing Í. Select Driving
functions on the Info Display and then
Park Assist . Select Enter bay parking
space .
Slow down the vehicle speed below
20 km/h.
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.
When several successive slots are
found, the vehicle will be directed
towards the last one.When a free slot is detected, a visual
feedback on the Info Display and an
acoustic signal is given. Stop the
vehicle, select reverse gear, release
the steering wheel and start moving
without exceeding 7 km/h.
Move forwards and backwards as
instructed by observing the warnings of the parking assist and paying
attention to the acoustic signals until
the end of manoeuvre is indicated.
When finished, $ extinguishes in the
instrument cluster.
During the parking manoeuvre, the
system is automatically deactivated
once the rear of the vehicle is within
50 cm of an obstacle.
Driving and operating181Exiting a parallel parking slotActivation
7'' Colour Info Display: when exiting a parallel parking slot, activate the
system by selecting Park Assist on
the Info Display. Then select Exit
parallel parking space .
8'' Colour Info Display: when exiting a parallel parking slot, activate the
system by pressing Í. Select Driving
functions on the Info Display and then
Park Assist . Select Exit parallel
parking space .
Select exit side by switching on the
respective turn light.
Engage reverse or forward gear,
release the steering wheel and start
moving without exceeding 5 km/h.
Move forwards and backwards while observing the warnings of the Parking
assist until the end of manoeuvre is
indicated. The manoeuvre is
complete when the vehicle's front
wheels are out of the parking slot.
After deactivation check control over
the vehicle.
Display indication The instructions on the display show: ● general hints and warning messages
● the demand to stop the vehicle, when a parking slot is detected
●the direction of driving during the
parking manoeuvre
● the demand to shift into reverse or first gear
● the demand to stop or to drive slowly
● the successful completion of the parking manoeuvre indicated by
a pop-up symbol and a chime
● the cancelling of a parking manoeuvre
Deactivation The current park assist manoeuvre is
cancelled via the button to return to
the previous screen in the Info
Display. To deactivate the system
completely, press ¼ in the centre
console.
The system is deactivated
automatically:
● if the ignition is switched off
● if stalling the engine
● if no manoeuvre is started within 5 minutes of selection of the type
of manoeuvre
182Driving and operating● after a prolonged stop of thevehicle during a manoeuvre
● if the Electronic Stability Control is triggered
● if the speed of the vehicle exceeds the stated limit
● when the driver interrupts movement of the steering wheel
● after four manoeuvre cycles (a manoeuvre cycle consists of one
rear move and one forward
move)
● on opening the driver's door ● if one of the front wheels encounters an obstacle
● parking manoeuvre successfully ended
Deactivation by the driver or by the
system during manoeuvring will be
indicated on the display. Additionally, an acoustic signal sounds.
The system is switched off
automatically when towing an
electrically connected trailer, bicycle
carrier, etc.
Contact your dealer to switch off the
system for a prolonged period.Fault
In the event of a fault, a message is
displayed in the Colour Info Display, accompanied by an acoustic signal.
In the event of a fault in the power
steering, H illuminates and 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.
Note
It is possible that the sensor detects a non-existing object caused by
echo disturbance from external
Driving and operating187Auto mode is activated by default. In
this mode, the system selects the
best view, standard, or zoom, to
display according to the information
from the parking sensors.
The state of the system is not kept in
memory when the ignition is switched
off.
Standard view
The Standard view consists of a rear
view and a front view.Rear view
The area behind the vehicle is
displayed in the screen. The vertical
lines represent the width of the
vehicle with mirrors unfolded. The
direction of the lines changes with the position of the steering wheel.
The first horizontal line represents a
distance of about 30 cm beyond the
edge of vehicle's rear bumper. The
upper horizontal lines represent
distances of about 1 m and 2 m.
This view is available in auto mode or
in the view selection menu.Front view
The area in front the vehicle is
displayed in the screen. The vertical
lines represent the width of the
vehicle with mirrors unfolded. The
direction of the lines changes with the position of the steering wheel.
The first horizontal line represents a
distance of about 30 cm beyond the
edge of vehicle's front bumper. The
upper horizontal lines represent
distances of about 1 m and 2 m.
This view is available in auto mode or
in the view selection menu.
Auto mode
This mode is activated by default.
Using sensors in the rear or in the
front bumper, the automatic view
changes from rear view or front view
to a view from above, as an obstacle is approached during a manoeuvre.
Zoom view
The camera records the vehicle's
surroundings during the manoeuvre in order to reconstruct a view fromabove the rear or the front of the
vehicle in its near surroundings.Thus,
the vehicle can be manoeuvred
around obstacles nearby. This view is available with auto mode or in the
view selection menu.