186Driving and operatingpedestrians or 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 shall 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.
System limitations
The active emergency braking has
limited or no function during rain,
snow or heavy dirt, as the radar
sensor can be covered by a water
film, dust, ice or snow. In case of
sensor blockage, clean the sensor
cover.
In some cases, the active emergency braking system may provide a short
automatic braking in situations that
seem to be unnecessary, for instance
due to traffic signs in a curve or due
to vehicles in another lane. This is
normal operation, the vehicle does
not need service. Firmly apply the
accelerator pedal to override the
automatic braking.
Settings Settings can be changed in the
vehicle personalisation menu in the
Colour-Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 114.
Vehicle personalisation 3 118.
Fault
In the event of a system service
requirement, a message is displayed
in the Driver Information Centre.
If the system does not work as it
should do, vehicle messages are
displayed in the Driver Information
Centre.
Vehicle messages 3 116.
Driving and operating187Parking assist9Warning
The driver bears full responsibility
for the parking manoeuvre.
Always check the surrounding
area when driving backwards or
forwards while using parking
assist system.
Front-rear parking assist
The front-rear parking assist
measures the distance between the vehicle and obstacles in front and
behind the vehicle. The system gives acoustic signals and display
messages.
The system has four ultrasonic
parking sensors each in the rear and front bumper.
It uses two different acoustic warning
signals for the front and rear
monitoring areas, each with a
different tone frequency.
Activation
When reverse gear is engaged, the
front and rear parking assist is ready
to operate.
An illuminated LED in the parking
assist button r indicates that the
system is ready to operate.
When driving forward at low speeds,
the front parking assist can also be
activated by pressing the parking
assist button r.
Once the button r is pressed within
an ignition cycle, the front parking
assist is always reactivated when the vehicle underruns a certain value.
Indication
The system warns the driver with
acoustic signals against potentially
hazardous obstacles in front of or
behind the vehicle. An obstacle
detection is indicated by beeps
sounding respective from the front or
rear of the vehicle. The intervall
between the beeps becomes shorter
as the vehicle gets closer to the
obstacle. when the distance is less
than 30 cm, a continuous tone
sounds.
188Driving and operating
The distance to a front and rear
obstacle is indicated by changing
distance lines around the vehicle.
The parking assist page in the display
can be hidden by vehicle messages
with a higher priority. If the parking
assist page is overwritten by a vehicle message, distance is no longer
indicated until parking assist is
activated again.
Deactivation
Deactivate the system by pressing
the r button.
The LED in the button will extinguish
and Park Assist Off will be displayed
in the Driver Information Centre.
The system is automatically disabled
above a certain speed.
Fault
In the event of a fault in the system,
or if the system does not work due to
temporary conditions, e.g. snow
covered sensors, r illuminates or a
message is displayed in the Driver
Information Centre.
Vehicle messages 3 116.
Advanced parking assistThe advanced parking assist system
manoeuvres the driver into a parking slot by giving instructions in the Driver Information Centre and acoustic
signals.
The system uses the sensors of the
parking assist system in combination
with two additional sensors on both
sides of the front and rear bumper.
Activation
When looking for a parking slot, the
system must be activated by pressing
the ( button.
Driving and operating191
deactivated. Press button ( to
activate the system and search for a
new parking slot.
Important hints for using the
parking assist systems9 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
The parking assist system
automatically detects factory-fitted
towing equipment. It is deactivated
when the connector is plugged in.
It is possible that the sensor detects a non-existing object (echo
disturbance) caused by external acoustical or mechanic
disturbances.
Advanced parking assist system
may not respond to changes in the
parking space after initiating a
parallel parking manoeuvre.
Note
After use the advanced parking
assist requires a calibration. For
optimal parking guidance, a driving
distance of at least 10 km, including
a number of bends, is required.
Side blind spot alert The side blind spot alert system
detects and reports objects on either
side of the vehicle, within a specified
"blind spot" zone. The system alerts
visually in each exterior mirror, when
detecting objects that may not be
visible in the interior and exterior
mirrors.
The system's sensors are located in
the bumper on the left and right side
of the vehicle.
192Driving and operating9Warning
Side blind spot alert does not
replace driver vision.
The system does not detect: ■ Vehicles outside the side blind zones which may be rapidly
approaching.
■ Pedestrians, cyclists or animals.
Before changing a lane, always
check all mirrors, look over the
shoulder and use the turn signal.
When the system detects a vehicle in the side blind zone while driving
forward, either while passing a
vehicle or being passed, the amber
warning symbol B will illuminate in
the relevant exterior mirror. If the
driver then activates the turn signal,
the warning symbol B starts flashing
amber as a warning not to change
lanes.
When the vehicle is started, both
exterior mirror displays will briefly
come on to indicate that the system is
operating.
If the vehicle is equipped with lane change alert 3 193, the symbol F
is displayed in the mirrors.The system can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 114.
Vehicle personalisation 3 118.
Deactivation is indicated by a
message in the Driver Information
Centre (DIC).
Detection zones
The system sensor covers a zone of
approx. 3.5 metres on both sides of
the vehicle. This zone starts at each
Driving and operating193
exterior mirror and extends rearwardsby approx. 3 metres. The height of the
zone is approx. between 0.5 metres
and 2 metres off the ground.
The system is deactivated if the
vehicle is towing a trailer.
Side blind spot alert is designed to ignore stationary objects such as
guardrails, posts, curbs, walls and
beams. Parked vehicles or oncoming vehicles are not detected.
Fault Occasional missed alerts can occurunder normal circumstances and will
increase in wet conditions.
Side blind spot alert does not operate when the left or right corners of the
rear bumper are covered with mud,
dirt, snow, ice, slush, or in heavy
rainstorms. Cleaning instructions
3 257.
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 (DIC). Seek the assistance of
a workshop.Lane change alert
Additional to the side blind spot alert
3 191, lane change alert recognizes
rapidly approaching vehicles from
behind on parallel lanes next to your
vehicle.
If the vehicle is equipped with lane
change alert, side blind spot alert is
always included.
The system alerts visually in each
exterior mirror when detecting rapidly approaching vehicles from behind.
The radar distance sensors are
located in the rear bumper.9 Warning
Lane change alert does not
replace driver vision.
Before changing a lane, always
check all mirrors, look over the
shoulder and use the turn signal.
When the system detects an
approaching vehicle from behind
which drives considerably faster, the
amber warning symbol F will
illuminate in the relevant exterior
mirror. If the driver then activates the
turn signal, the warning symbol F
starts flashing amber as a warning not to change lanes. Additionally a
warning chime sounds.
When the vehicle is started, both
exterior mirror displays will briefly come on to indicate that the system is operating.
194Driving and operating
Detection zones
The system sensors cover a zone of
approx. 3.5 metres parallel on both
vehicle sides and approx. 3 metres
rearwards on side blind zone alert
(A) and approx. 70 metres rearwards
on lane change alert (B) on parallel
lanes. The zones start at each
exterior mirror. The height of the zone
is approx. between 0.5 metres and
2 metres off the ground.
Deactivation
Activation or deactivation of the lane
change alert can be set in the vehicle personalisation menu in the Colour-
Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 114.
Vehicle personalisation 3 118.
The system is deactivated if the
vehicle is towing a trailer.
Deactivation is indicated by a
message in the Driver Information
Centre (DIC).
Note
After use, 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.
Fault Occasional missed alerts can occurunder normal circumstances and will
increase in wet conditions or in sharp
curves. Otherwise the system maylight up due to guardrails, signs, trees,
shrubs or other immobile objects.
This is normal operation and the
system does not need to be serviced.
Lane change alert may not operate
when the left or right corners of the
rear bumper are covered with mud,
dirt, snow, ice, slush, or in heavy
rainstorms. Cleaning instructions
3 257.
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 (DIC). Seek the assistance of
a workshop.
Rear view camera
The rear view camera assists the
driver when reversing, by displaying a view of the area behind the vehicle.
The view of the camera is displayed
in the Colour-Info-Display.
Driving and operating1959Warning
The rear view camera does not
replace driver vision. Note that
objects that are outside the
camera's field of view and the
advanced parking assist sensors,
e.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 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°.
Due to the high position of the camera
the rear bumper can be seen on the
display as a guide to position.
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 in 1 metre intervals projected on
the picture to define the distance to
shown objects.