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Driving and operating183Fault
Occasional false alerts can occur
under normal circumstances and will
increase in wet conditions.
Side blind zone assistant 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 3 244.
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.
Lane change alert Additional to the side blind zone
assistant 3 182, lane change alert
recognises rapidly approaching
vehicles from behind on parallel lanes
next to your vehicle.
If the vehicle is equipped with lane change alert, side blind zone
assistant 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 light.
When the system detects an
approaching vehicle from behind
which drives considerably faster, the
yellow warning symbol F will
illuminate in the relevant exterior mirror. If the driver then activates the
turn light, the warning symbol F
starts flashing yellow 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.
Page 186 of 273

184Driving and operatingDetection zones
The system sensors cover a zone of
approx. 3.5 m parallel on both vehicle
sides and approx. 3 m rearwards on
side blind zone assistant (A) and
approx. 70 m 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 m and 2 m off the ground.
Deactivation Activation or deactivation of the lane
change alert can be set in the vehicle
personalisation menu in the Info
Display.
Vehicle personalisation 3 91.
Info Display 3 85.
Deactivation is indicated by a
message in the Driver Information
Centre.
Note
Each new vehicle 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 false alerts can occur
under normal circumstances or in
sharp curves. The system can
temporarily alert of objects in the blind zone 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.
Page 187 of 273
Driving and operating185The 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 mirrors9Warning
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.
1. Area displayed by the panoramic view system
2. Area not shown
Front vision camera
A view of the area in front of the
vehicle may be displayed in the Info
Display. The front view is shown after
shifting from R to D and when the
vehicle is moving forward slower than
8 km/h.
9 Warning
The camera(s) do not display
children, pedestrians, bicyclists,
crossing traffic, animals, or any
other object outside of the
cameras’ field of view, below the bumper, or under the vehicle.
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186Driving and operatingShown distances may be differentfrom actual distances. Do not driveor park the vehicle using only
these camera(s). Always check
behind and around the vehicle
before driving. Failure to use
proper care may result in injury, death, or vehicle damage.
The system also works when the
surrounding is dark, but performance
may be restricted.
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 Info Display.
9 Warning
The rear view camera does not
replace driver vision. Note that
objects that are outside the
camera's field of view and the
parking assist sensors, e.g. below
the bumper or underneath the
vehicle, are not displayed.
Do not reverse or park the vehicle
using only the rear view camera.
Always check the surrounding of
the vehicle before driving.
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 1 m intervals projected onto
the picture to define the distance to
displayed objects.
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Driving and operating187
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.
Display 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 relevantsetting in Settings I Vehicle settings .
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 Rear camera .
Info Display 3 85.
Vehicle personalisation 3 91.
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.
Page 190 of 273

188Driving and operatingRear cross traffic alert
Additional to the rear view camera
3 186 , 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.
9 Warning
The rear cross traffic alert does not
replace driver vision. Note that
objects that are outside sensors,
e.g. below the bumper or
underneath the vehicle, are not
displayed.
Pedestrians, children or animals
are not detected. 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 cross traffic alert is
automatically activated together with
the rear view camera when reverse
gear is engaged.
Detection zones
The system sensors cover a zone of
approx. 20 m to the left or right side
behind the vehicle.
Deactivation
Rear cross traffic alert is deactivated
together with the rear view camera
when a certain forward speed is
exceeded or if reverse gear is not
engaged for approx. 10 seconds.
Activation or deactivation of the rear
cross traffic alert can be set in the
vehicle personalisation menu in the
Info Display.
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Driving and operating189Select the relevant setting in Settings
I Vehicle settings in the Info Display.
Info Display 3 85.
Vehicle personalisation 3 91.
Fault
The system may not operate properly
when:
● Ice, snow, mud, or anything else covers the sensors.
● The vehicle had a rear end accident.
● There are extreme temperature changes.
Traffic sign assistant
Functionality
Traffic sign assistant detects
designated traffic signs via a front
camera and displays them in the
Driver Information Centre.
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.
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190Driving and operating
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.
Choose Vehicle info via right steering
wheel buttons and press { or } to
select traffic sign assistant page
3 82.
When another page on the Driver Information Centre menu was
selected and then traffic sign
assistant page is chosen again, the
last recognised traffic sign will be
displayed.
Alert function
Once activated, speed limit and no
passing signs are displayed as pop-
up alerts in the Driver Information
Centre.
The alert function can be activated or
deactivated by pressing 9 on the
steering wheel.
System reset
The content of the traffic sign display
can be cleared in the settings menu
of the traffic sign assistant page by
selecting Reset and confirm by
pressing 9 on the steering wheel
controls.