Page 16 of 321
14In brief
Hazard warning flashers
Operated with the ¨ button.
Hazard warning flashers 3 128.
Horn
Press j.
Washer and wiper systems
Windscreen wiper2=fast1=slowP=interval wiping or automaticwiping with rain sensor§=off
For a single wipe when the
windscreen wiper is off, press the
lever down.
Windscreen wiper 3 84, Wiper
blade replacement 3 221.
Page 34 of 321

32Keys, doors and windows
Adjust reduced opening height in
intermediate mode
1. Turn operation mode switch to 3/4 .
2. Open power tailgate with any operation switch.
3. Stop movement at the desired height by pressing any operation
switch. If required, manually move
the stopped tailgate to the desired position.
4. Press and hold the button on the
inside of the open tailgate for
3 seconds.
Note
Adjusting opening height should be
programmed at ground level.
A chime sound indicates the new
setting and the outer rear lights will
flash if the tailgate is below an
opening angel of 30°.
When turning the adjuster wheel in
the driver's door to intermediate mode 3/4 , the power tailgate will stop
opening at the newly set position.
The tailgate can only be held open if a minimum height is exceeded
(minimum opening angle from 30°).
The opening height cannot be
programmed below that height.
Safety function
If the power tailgate encounters an
obstacle during opening or closing,
the direction of movement will
automatically be reversed slightly.
Multiple obstacles in one power cycle
will deactivate the function. In this
case, close or open the tailgate
manually.The power tailgate has pinch sensors
on the side edges. If the sensors
detect obstacles between tailgate and chassis, the tailgate will open, until it
is activated again or closed manually.
The safety function is indicated by a
warning chime.
Remove all obstacles before
resuming normal power operation.
If the vehicle is equipped with factory- fitted towing equipment and a trailer
is electrically connected, the power
tailgate can only be opened with the
touchpad switch or closed with button
G in the open tailgate. Ensure that
there are no obstacles in the moving
area.
General hints for operating
tailgate9 Warning
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
gases, which can not be seen or
Page 37 of 321

Keys, doors and windows35
Switch off the monitoring of
passenger compartment and vehicle
inclination when animals are being
left in the vehicle, because of high
volume ultrasonic signals or
movements triggering the alarm. Also switch off when the vehicle is on a
ferry or train.
1. Close tailgate, bonnet, windows and sunroof.
2. Press button o. LED in the
button o illuminates for a
maximum of 10 minutes.
3. Close doors.
4. Activate the anti-theft alarm system.
Status message is displayed in the
Driver Information Centre.Status LED
Status LED is integrated in the sensor
on top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:
LED illu‐
minates=test, arming delay.LED
flashes
quickly=doors, tailgate or
bonnet not completely
closed, or system fault.
Status after system is armed:
LED flashes
slowly=system is armed.Seek the assistance of a workshop in
the event of faults.
Deactivation
Radio remote control: Unlocking the
vehicle by pressing button c
deactivates anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing the button on any
exterior door handle deactivates anti-
theft alarm system.
The system is not deactivated when
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
Page 41 of 321

Keys, doors and windows39Automatic anti-dazzle
Dazzling by following vehicles at nightis automatically reduced by dimmingthe interior mirror.
Windows
Windscreen
Heat-reflecting windscreen The heat-reflecting windscreen has a
coating which reflects solar radiation.
Also data signals, e.g. from toll
stations, might be reflected.
The marked areas on the windscreen are not covered with the coating.
Devices for electronic data recording
and fee payment must be attached in
these areas. Otherwise data
recording malfunctions may occur.
Windscreen stickers
Do not attach stickers such as toll
road stickers or similar on the
windscreen in the area of the interior
mirror. Otherwise the detection zone
of the sensor and the view area of the camera in the mirror housing could be restricted.
Power windows9 Warning
Take care when operating the
power windows. Risk of injury,
particularly to children.
If there are children on the rear seats, switch on the child safety
system for the power windows.
Keep a close watch on the
windows when closing them.
Ensure that nothing becomes
trapped in them as they move.
Operable with ignition in position
Accessory power mode or Ignition on
power mode 3 149, 3 149.
Page 82 of 321

80Storage
Mounting points are located in eachdoor frame of the vehicle body.
Detach the cover from each mounting
point and fasten the roof rack with the attached screws.
Sports Tourer/Country Tourer with
roof railing
To fasten the roof rack, insert the
mounting bolts in the holes indicated
in the figure.
Loading information
■ Heavy objects in the load compartment should be placedagainst the seat backrests. Make
sure that the backrests are securely engaged, i.e. no longer showing the
red markings on the side near the release lever. If objects can be
stacked, heavier objects should be
placed at the bottom.
■ Secure objects with lashing straps attached to lashing eyes 3 73.
■ Secure loose objects in the load
compartment to prevent from
sliding.
■ When transporting objects in the load compartment, the backrests of
the rear seats must not be angled
forward.
■ Do not allow the load to protrude above the upper edge of the
backrests.
■ Do not place any objects on the load compartment cover or theinstrument panel, and do not cover
the sensor on top of the instrument panel.
■ The load must not obstruct the operation of the pedals, parking
brake and gear selector, or hinder
the freedom of movement of the
driver. Do not place any unsecured objects in the interior.
■ Do not drive with an open load compartment.
Page 86 of 321
84Instruments and controlsWindscreen wiper/washer
Windscreen wiper2=fast1=slowP=interval wiping§=off
For a single wipe when the
windscreen wiper is off, press the
lever down.
Do not use if the windscreen is frozen.
Switch off in car washes.
Adjustable wiper interval
Wiper lever in position P.
Turn the adjuster wheel to adjust the
desired wipe interval:
short
interval=turn adjuster wheel
upwardslong
interval=turn adjuster wheel
downwardsAutomatic wiping with rain sensorP=automatic wiping with rain
sensor
The rain sensor detects the amount of water on the windscreen and
automatically regulates the frequency
of the windscreen wiper.
Page 87 of 321
Instruments and controls85
Adjustable sensitivity of the rain
sensor
Turn the adjuster wheel to adjust the
sensitivity:
low
sensi‐
tivity=turn adjuster wheel
downwardshigh
sensi‐
tivity=turn adjuster wheel
upwards
Keep the sensor free from dust, dirt
and ice.
Rain sensor function 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.
Windscreen and headlight
washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
If the headlights are on, washer fluid is also sprayed onto the headlights,
provided that the lever is pulled
sufficiently long. Afterwards the
headlight washer system is
inoperable for 5 wash cycles or until
engine or headlights have been
switched off and on again.
Page 105 of 321

Instruments and controls1039Warning
Have the cause of the fault
remedied immediately by a
workshop.
Antilock brake system
(ABS) u illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is
ready for operation when the control
indicator extinguishes.
If the control indicator does not go out after a few seconds, or if it illuminates while driving, there is a fault in the
ABS. The brake system remains
operational but without ABS
regulation.
Antilock brake system 3 163.
Upshift [ is shown as a symbol in the Driver
Information Centre, when upshifting
is recommended for fuel saving
reasons.
On some versions gear shift
indication is popped up as full page in the Driver Information Centre 3 107.
Gear shifting R or S with the number of the next
higher or lower gear is indicated,
when up- or down-shifting is
recommended.
Variable effort steering c illuminates yellow.
Fault in variable effort steering
system. This may lead to a higher or
lower steering effort. Consult a
workshop.
Following distance
E indicates the following distance
setting of adaptive cruise control or the alert timing sensitivity of forwardcollision alert by filled distance bars.
Adaptive cruise control 3 173.
Forward collision alert 3 181.Lane departure warning
) illuminates green or flashes yellow.
Illuminates green
The system is switched on and ready
to operate.
Flashes yellow
The system recognizes an
unintended lane change.
Ultrasonic parking assist
r illuminates yellow.
Fault in system
or
Fault due to sensors that are dirty or
covered by ice or snow
or
Interference due to external sources
of ultrasound. Once the source of interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 187.