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158Driving and operating
In both cases the LED in the button
extinguishes and a message pops up
in the Driver Information Centre.
Fault
In the event of a fault in the system or if the system does not work due to
temporary conditions like snow
covered sensors, a message is
displayed in the Driver Information
Centre.
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.
Parking assist button and operation
logic
Front-rear parking assist is equipped
with button r. If the vehicle is
additionally equipped with advanced parking assist, see separate
description following, the system is equipped with button D. In this case
both systems will be operated by
button D.
Short press of button r or D
activates or deactivates the parking
assist.
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160Driving and operating
Deactivation
The system is deactivated
automatically when exceeding a
certain speed while driving forward.
Manual deactivation is also possibleby pressing the parking assist button
r or D briefly.
When the system is deactivated, the
LED in the button extinguishes and
Park Assist Off pops up in the Driver
Information Centre.
Fault
In the event of a fault in the system or if the system does not work due to
temporary conditions like snow
covered sensors, a message is
displayed in the Driver Information
Centre.Advanced parking assist
The advanced parking assist system
manoeuvres the driver into a parking slot by giving instructions on the
Driver Information Centre and
acoustic signals. The driver has to
control acceleration, braking, steering
and gear shifting.
The system uses the sensors of the
front-rear parking assist in
combination with two additional
sensors on both sides of the front and rear bumper.
Button D
and operation logic
Advanced parking assist and front-
rear parking assist, see description
before, both will be operated by
button D.
Short press of button D activates or
deactivates the parking assist.
Long press of button D (approx. one
second) activates or deactivates the
advanced parking assist.
Button logic operates the systems by
pressing as following:
■ front-rear parking assist is active: short press deactivates front-rear
parking assist.
■ front-rear parking assist is active: long press activates advanced
parking assist.
■ advanced parking assist is active: short press activates front-rearparking assist.
■ advanced parking assist is active: long press deactivates advanced
parking assist.
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162Driving and operating
The instructions in the display show:■ a hint when driving faster than 30 km/h,
■ the demand to stop the vehicle, when a parking slot is detected,
■ the direction of driving during the parking manoeuvre,
■ the steering wheel position during parking,
■ for some of the instructions a progress bar is shown.A successful parking manoeuvre is
indicated by the End position symbol.
Pay attention always to the sound of
the front-rear parking assist.
Continuous sound means that the
distance to an obstacle is less than about 30 cm.
Changing the parking side
The system is configured to detect
parking slots by default on the
passenger side. To detect parking
slots on the driver side, switch on turn
indicator to the driver side for the
duration of searching.
As soon as turn indicator is switched
off, the system searches for parking
slots on the passenger side again.
Display priorities
After activating the advanced parking assist, a message appears in the
Driver Information Centre. Advanced
parking assist indication in the Driver
Information Centre can be inhibited
by vehicle messages with a higher
priority. After approving the message
by pressing the SET/CLR button on
the turn signal lever, advanced
parking assist instructions appear
again and parking manoeuvre can be
continued.
Deactivation
The system is deactivated by:
■ pushing button D for approx.
one second
■ parking manoeuvre successfully ended
■ driving faster than 30 km/h
■ switching off the ignition
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Driving and operating165
Side blind spot alert is active from
speeds of 10 km/h up to 140 km/h.
Driving faster than 140 km/h
deactivates the system, indicated by
low lighting warning symbols B in
both exterior mirrors. Reducing the speed again will extinguish the
warning symbols. If a vehicle is then
detected in the blind zone, the
warning symbols B will illuminate as
normal on the relevant side.
When the vehicle is started, both exterior mirror displays will briefly
come on to indicate that the system is operating.
The system can be activated or
deactivated in the menu Settings in
the Info-Display, vehicle
personalisation 3 102.
Deactivation is indicated by a
message in the Driver Information
Centre.
Detection zones
The system sensor covers a zone of
approx. 3 metres on both sides of the
vehicle. This zone starts at each
exterior mirror and extends rearwards by 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 occur
under 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
3 220.
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.
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.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
advanced parking assist sensors,
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166Driving 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 surroundings 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 in 1 metre intervals projected on
the picture to define the distance to shown objects.
Trajectory lane of the vehicle is
shown in accordance with the
steering angle.
The function can be deactivated in the menu Settings in the Info-Display.
Vehicle personalisation 3 102.
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 surrounding.
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Driving and operating167
The top line of the display can be
cleared by pushing the multifunction
knob.
Display settings
Brightness can be set with the up/
down buttons of the multifunction
knob.
Contrast can be set with left/right
buttons of the multifunction knob.
Deactivation
The camera is deactivated when a
certain forward speed is exceeded or if reverse gear is not engaged for
approx. 10 seconds.
Activation or deactivation of the rear
view camera can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 102.
Fault
Fault messages are displayed with a 9 on the top line of the Info-Display.
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.Traffic sign assistant
Functionality The traffic sign assistant systemdetects 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 passing
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168Driving and operating
Road signs
Beginning and end of:
■ motorways
■ A-roads
■ play streetsAdd on signs ■ additional hints to traffic signs
■ restriction of trailer towing
■ wet warning
■ ice warning
■ direction arrows
Speed limit 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.
Combinations of more signs in the
display are possible.
An exclamation mark in a frame
indicates that there is an add on sign
detected which cannot be recognised
by the system.
The system is active up to a speed of 200 km/h depending on the lighting
conditions. At night the system is
active up to a speed of 160 km/h.
As soon as the speed becomes
slower than 55 km/h the display will
be reset and the content of the traffic
sign page will be cleared, e.g. when
entering a city zone. The next
recognized speed indication will be displayed.
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Driving and operating169
Display indication
Traffic signs are displayed on the
page Traffic sign detection on the
Driver Information Centre, chosen via the adjuster wheel on the turn signal
lever 3 94.
When another function on the Driver
Information Centre menu was
selected and then Traffic sign
detection page is chosen again, the
last recognised traffic sign will be displayed.
After the traffic sign page is cleared
by the system, the following symbol is
indicated:
The content of the traffic sign page is
also cleared during driving by pushing
the SET/CLR button on the turn signal
lever for a longer time.
Pop-up function
Speed limits and no passing signs are
displayed as pop-ups on each page in the Driver Information Centre.
The pop-up function can be
deactivated on the traffic sign page by
pressing the SET/CLR button on the
turn signal lever.