102LightingDaytime running lights
Daytime running lights increase
visibility of the vehicle during daylight.
While the daytime running light isactive, the tail lights and the sidelights
are switched off.
Please remember that the low beam
should be switched on when required.
Hazard warning flashers
Operated by pressing ¨.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Turn and lane-change
signalslever up:right turn signallever down:left turn signal
If the lever is moved past the
resistance point, the turn signal is
switched on constantly. When the
steering wheel moves back, the turn
signal is automatically deactivated.
For three flashes, e.g. when changing
lanes, press the lever until resistance
is felt and then release.
Switch the turn signal off manually by moving the lever to its original
position.
Control indicator 3 78.
Rear fog light
Operated by pressing ø.
The rear fog light is automatically set
to off each time the vehicle is started.
Headlights and sidelights must be on
for the rear fog light to work.
Driving and operating167Resume limit speedPress RES/+ . The stored speed limit
will be obtained.
Switching off
Press L, the speed limit indication
extinguishes in the Driver Information Centre. The stored speed is deleted.
By pressing m to activate cruise
control or adaptive cruise control,
speed limiter is also deactivated and
the stored speed is deleted.
By switching off the vehicle, speed
limiter is also deactivated, but the
speed limit will be stored for next
speed limiter activation.
Forward collision alert
The forward collision alert may help to avoid or reduce the harm caused by
front-end crashes.
The forward collision alert uses the
front camera system in the
windscreen to detect a vehicle
directly ahead, in your path, within a
distance of approx. 60 metres.
A vehicle ahead is indicated by the
control indicator A.
If a vehicle directly ahead is
approached too quickly, a warning
chime is sounded.
Additionally, the driver is notified by a flashing red LED stripe which is
projected on the windscreen in the
driver's field of view.
A precondition is that forward collision
alert is not deactivated in the vehicle
personalisation 3 92.
Activation
Forward collision alert operates
automatically above 8 km/h, if it is not deactivated in the vehicle
personalisation menu.
Alerting the driver
The vehicle ahead control indicator
A illuminates green in the instrument
cluster when the system has detected
a vehicle in the driving path.
The control indicator A changes to
yellow when the distance to a
preceding moving vehicle gets too
small or when approaching another
vehicle too rapidly.Caution
The colour lighting of this control
indicator does not correspond to
local traffic laws on following
distance. The driver bears full
responsibility for maintaining safe
following distance according to
applicable traffic rules, weather
and road conditions etc. at all
times.
When the time to a potential collision
with a vehicle in front gets too small
and a collision is imminent, the driver
is notified by a flashing red LED stripe which is projected on the windscreen
in the driver's field of view.
170Driving and operatingsupplemental 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
If equipped only with front camera the
active emergency braking operates in a forward gear above walking speed
up to 80 km/h.
A precondition is that the system is not deactivated in the vehicle
personalisation menu 3 92.
The system includes: ● brake preparation system
● emergency automatic braking
● forward looking brake assist ● front pedestrian protection system
Brake preparation system
When approaching a vehicle ahead
or a pedestrian so quickly that a
collision is likely, the brake
preparation system slightly
pressurises the brakes. This reduces
the response time, when a manual or automatic braking is requested.
The brake system is prepared so that braking can occur more rapidly.
If equipped only with front camera the
system operates up to a speed of
80 km/h.
Emergency 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
prevent a crash.
Depending on the situation, the
vehicle may automatically brake
moderately or hard. This front
automatic braking can only occur if a
vehicle ahead is detected, indicated
by the vehicle ahead indicator A
3 167. On vehicles with frontpedestrian protection, automatic
braking can also occur when a
pedestrian ahead is detected,
indicated by the pedestrian ahead
indicator 7.
The system operates up to a speed of 80 km/h.
Below a speed of 40 km/h the system
can apply full braking.
Emergency automatic braking may slow the vehicle to a complete stop to try to avoid a potential crash. If this
happens, emergency automatic
braking may engage the electric
parking brake to hold the vehicle at a
stop. To release, push the electric
parking brake switch or firmly depress
the accelerator pedal.9 Warning
Emergency automatic braking is
an emergency crash preparation
feature and is not designed to
avoid crashes. Do not rely on the
system to brake the vehicle.
Emergency automatic braking will
184Driving and operatingVehicle personalisation 3 92.
Info display 3 86.
Deactivation is indicated by a message in the Driver Information
Centre.
Note
After production, the system
requires a calibration. For optimal
performance, drive as soon as
possible on a straight highway road
with roadside objects, e.g. guardrails
and barriers for some distance.
System limitations
Occasional missed alerts can occur
under normal circumstances or in
sharp curves. The system can
temporarily alert of objects in the blind spot at specific weather conditions
(rain, hail etc). Driving on a wet road
or in the transitions from a dry area to a wet area can cause the system to
light up, as water splash can be
interpreted as an object. Otherwise
F may illuminate due to guardrails,
signs, trees, shrubs or other immobile objects. This is normal operation and
the system does not need a service.The system may not operate properly
when:
● ice, snow, mud, or anything else covers the sensors
● driving in heavy rainstorms
● the vehicle had an accident
● there are extreme temperature changes
In the event of a fault in the system or if the system does not work due to
temporary conditions, a message is
displayed in the Driver Information
Centre. Seek the assistance of a
workshop.
Panoramic view system
The panoramic view system vision
displays an image of the area
surrounding the vehicle, along with
the front or rear camera views in the
centre console.The system uses four cameras:
● rear camera, installed above the license plate
● front camera, installed in the grille or near the front emblem
● side cameras, located at the bottom of both exterior mirrors.9Warning
The surround vision cameras have
blind spots and will not display all
objects near the corners of the
vehicle. Folding side mirrors that
are out of position will not display
the surrounding view correctly.
Always check around the vehicle
when parking or reversing.
186Driving and operatinge.g. below the bumper or
underneath the vehicle, are not
displayed.
Do not reverse the vehicle by only looking at the Info-Display and
check the surrounding area
behind and around the vehicle
before reversing.
Activation
Rear view camera is automatically
activated when reverse gear is
engaged.
Functionality
The camera is mounted between the
number plate lights and has a viewing angle of 130°.
The area displayed by the camera is
limited. The distance of the image that
appears on the display differs from
the actual distance.
Guiding lines
Dynamic guiding lines are horizontal
lines at one metre intervals projected
onto the picture to define the distance
to displayed objects.
Trajectory lane of the vehicle is
shown in accordance with the
steering angle.
Warning symbols
Warning symbols are indicated as
triangles 9 on the picture, which
show obstacles detected by the rear
sensors of the advanced parking
assist.
Additionally, 9 appears on the top
line of the Info display with the
warning to check the vehicle
surroundings.
Driving and operating187Display settings
Brightness and contrast can be set by
touching the touch screen display
when rear view camera is active.
Deactivation The camera is switched off when a
certain forward speed is exceeded or
if reverse gear is not engaged for
approx. 15 seconds. Rear view
camera can be manually deactivated
in the vehicle personalisation menu in the Info display. Select the relevant
setting in Settings, I Vehicle .
Deactivation of guiding lines and
warning symbolsActivation or deactivation of the visual
guiding lines and the warning
symbols can be changed in the
Settings menu in the Info display.
Select the relevant setting in Settings,
I Vehicle .
Info display 3 86.
Vehicle personalisation 3 92.
Fault Fault messages are displayed with a
9 on the Driver Information Centre.
The rear view camera may not
operate properly when:
● The surrounding is dark.
● The sun or the beam of headlights is shining directly into
the camera lens.
● Ice, snow, mud, or anything else covers the camera lens. Clean
the lens, rinse it with water, and
wipe it with a soft cloth.
● The vehicle had a rear end accident.
● There are extreme temperature changes.Rear cross traffic alert
Additional to the rear view camera
3 185 , rear cross traffic alert warns of
cross traffic from left or right side
when reversing. When cross traffic is recognised and the rear view camera
is activated, a warning triangle with a
direction arrow K appears on the
Info display, showing the direction of
the traffic. Furthermore, three beeps
will sound from the speaker on the respective side.
The radar distance sensors are
located sideways in the rear bumper.
Driving and operating189
Traffic signs, which will be detected,
are:
Limit and no passing signs ● speed limit
● no passing
● end of speed limit
● end of no passingRoad signs
Beginning and end of:
● city regions (country-specific)● motorways
● A-roads
● play streetsAdd on signs ● additional hints to traffic signs
● restriction of trailer towing
● tractor constraints
● wet warning
● ice warning
● time constraints
● distance constraints
● direction arrows
Speed limit signs and no passing
signs are displayed in the Driver
Information Centre until the next
speed limit sign or end of speed limit
is detected or up to a defined sign
timeout.
Indication of multiple signs on the
display is possible.
An exclamation mark in a frame
indicates that there is an additional
sign detected which cannot be clearly
identified by the system.
The system performance depends on the lighting conditions.
Display indication Information about the currently valid
traffic signs is available on the
designated traffic sign assistant page
in the Driver Information Centre.
Additionally, the currently valid speed limit is displayed permanently in the
lower line of the Driver Information
Centre. In case a speed limit with add
on sign is available, a + symbol is
displayed in this area.
Driving and operating191Fault
Traffic sign assistant may not operate correctly if:
● The area of the windscreen, where the front camera is
located, is not clean or affected
by foreign items, e.g. stickers.
● Traffic signs are completely or partially covered or difficult to
discern.
● There are adverse environmental
conditions, e.g. heavy rain, snow,
direct sunlight or shadows.
● Traffic signs are incorrectly mounted or damaged.
● Traffic signs do not comply with the Vienna Convention on Road
Signs and Signals (Wiener
Übereinkommen über
Straßenverkehrszeichen).Caution
The system is intended to help the driver within a defined speed
range to discern certain traffic
signs. Do not ignore traffic signs
which are not displayed by the
system.
The system does not discern any other than the conventional traffic
signs that might give or end a
speed limit.
Do not let this special feature
tempt you into taking risks when
driving.
Always adapt speed to the road
conditions.
The driver assistance systems do not relieve the driver from full
responsibility for vehicle
operation.
Lane keep assist
Lane keep assist helps to avoid
crashes due to unintentional lane
departures. The front camera
observes the lane markings between
which the vehicle is driving. If the
vehicle approaches a lane marking, the steering wheel is gently turned to
position the vehicle back into the lane.
Override the system by turning the
steering wheel.
When crossing a lane marking
significantly, lane keep assist starts a
visual and acoustic warning.
Unintended lane departure is
assumed:
● without using turn signal
● using the turn signal in the opposite direction of the lane
departure
● without braking
● without acceleration
● without active steering
Note
The system is switched off during
detection of ambiguous lane
markings, e.g. in construction areas.
Note
The system may be switched off if it
detects lanes which are too narrow,
too wide or too curved.