Page 40 of 305

38Keys, doors and windowsStatus 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 c deactivates the
anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing the button on any
exterior door handle deactivates the
anti-theft alarm system.
The electronic key must be outside
the vehicle, within a range of approx. one metre of the relevant door side.
The system is not deactivated by
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
Alarm When triggered, the alarm horn
sounds and the hazard warning lights flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
The anti-theft alarm system can be
deactivated by pressing c, by
pressing the switch on the door
handle with electronic key system or
switching on the ignition.
A triggered alarm, which has not been
interrupted by the driver, will be
indicated by the hazard warning
lights. They will flash quickly three
times the next time the vehicle is
unlocked with the radio remote
control. Additionally a warning
message is displayed in the Driver
Information Centre after switching on
the ignition.Vehicle messages 3 122.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser
The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with the key being used.
The immobiliser is activated
automatically after the key has been
removed from the ignition switch.
If the control indicator d flashes when
the ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat the
start attempt.
If the control indicator d continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Page 41 of 305

Keys, doors and windows39Note
Radio Frequency Identification
(RFID) tags may cause interference with the key. Do not have it placednear the key when starting the
vehicle.
Note
The immobiliser does not lock the doors. You should always lock the
vehicle after leaving it and switch on
the anti-theft alarm system 3 24,
3 36.
Control indicator d 3 113.Exterior mirrors
Convex shape The convex exterior mirror on the
driver's side contains an aspherical
area and reduces blind spots. The
shape of the mirror makes objects
appear smaller, which will affect the
ability to estimate distances.
Side blind spot alert 3 205.
Electric adjustmentSelect the relevant exterior mirror by
switching the control to left (L) or right
(R) . Then swivel the control to adjust
the mirror.
In position o no mirror is selected.
Folding mirrors
For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the mirror by applying slight pressure to
the mirror housing.
Page 56 of 305

54Seats, restraintsHeating
Adjust heating to the desired setting
by pressing ß for the respective seat
one or more times. The control
indicator in the button indicates the
setting.
Prolonged use of the highest setting
for people with sensitive skin is not
recommended.
The seat heating will be reduced
automatically from highest level to
medium level after 30 minutes.
Seat heating is operational when
engine is running and during an
Autostop.
Stop-start system 3 161.
Automatic seat heating Depending on the equipment, the
automatic seat heating can be
enabled in the vehicle personalisation
menu in the Info-Display.
Vehicle personalisation 3 123.
When enabled, the heating of the
seats will be activated automatically
at vehicle start. The activation is
based on several parameters such as vehicle interior temperature, intensity
and direction of the sun and
temperature setting of the electronic
climate control system for the driver
and passenger side.
As the vehicle’s interior warms up, the seat heating level will be reduced
automatically until it finally goes off. The seat heating level being provided
during the automatic operation is
shown by heated seat indicator lights.
If the passenger seat is unoccupied,
the automatic seat heating feature will not activate the seat heating for that
seat.The seat heating buttons can be
pressed at any time to exit the
automatic seat heating for the
respective seat and control the seat
heating manually instead.
Ventilating
Adjust ventilating to the desired
setting by pressing A for the
respective seat one or more times.
The control indicator in the button
indicates the setting.
Ventilated seats are operational when
engine is running and during an
Autostop.
Stop-start system 3 161.
Page 57 of 305
Seats, restraints55Massage
Press c to switch on the back
massage function.
To switch off, press c again.
After ten minutes the massage
function is switched off automatically.
Rear seats
Armrest
Fold armrest down.
Heating
Activate seat heating by pressing ß
for the respective rear outer seat.
Activation is indicated by the LED in
the button.
Press ß once more to deactivate seat
heating.
Prolonged use for people with
sensitive skin is not recommended.
Seat heating is operational when engine is running and during an
Autostop.
Stop-start system 3 161.
Page 94 of 305
92Instruments and controlsHeated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
The recommended grip areas of the
steering wheel are heated quicker
and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 161.
Horn
Press j.
Windscreen wiper/washer
Windscreen wiper with adjustable
wiper intervalHI:fastLO:slowINT:interval wipingOFF:off
For a single wipe when the
windscreen wiper is off, press the
lever downwards to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Page 100 of 305

98Instruments and controlsSports Tourer: A 12 Volt power outlet
is located at the left sidewall in the
load compartment.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off, the power outlet is
deactivated. Additionally, the power outlet is deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Do not connect any current-delivering
accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlets by using
unsuitable plugs.
Stop-start system 3 161.USB charging port
Two USB ports for charging devices
only are located in the back of the
centre console.
Each socket provides 2.1 Ampere at
five Volts.
Note
The sockets must always be kept
clean and dry.
Power connector
The power connector (PowerFlex
Bar) is attached on the instrument
panel fuse box cover. A fragrance
diffuser (AirWellness) or a phone
holder can be attached to the power
connector.
Further information regarding phone
holder is available in the Infotainment
manual.
Page 107 of 305
Instruments and controls105Odometer
The total recorded distance is
displayed in km.
Trip odometer The recorded distance since the last
reset is displayed on the trip computer
page.
Trip odometer counts up to
9,999 km and then restarts at 0.
Two trip odometer pages are
selectable for different trips.
Midlevel instrument cluster
Select ; by pressing Menu on the
turn signal lever. Turn adjuster wheel
on turn signal lever and select ;1
or ; 2. Each trip odometer page can
be reset separately by pressing
SET/CLR on the turn signal lever for
a few seconds on the respective
menu.
Uplevel instrument cluster
Select Info page J on main menu.
Choose page Trip A or Trip B by
pressing o on the steering wheel.
Each trip odometer can be reset separately when ignition is on: select
respective page, press >. Confirm by
pressing 9.
Driver Information Centre 3 114.
Page 110 of 305

108Instruments and controls9 for several seconds. The ignition
must be switched on but engine not
running.
The system must be reset every time
the engine oil is changed to allow proper functionality. Seek the
assistance of a workshop.
Next service
When the system has calculated that engine oil life has been diminished,
Change Engine Oil Soon appears in
the Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
500 km (whichever occurs first).
Service information 3 272.
Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control indicators may vary. When the
ignition is switched on, most control
indicators will illuminate briefly as a
functionality test.The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters 3 101.
Turn signal O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn signal or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse, failure of turn signal light on trailer.
Bulb replacement 3 231, Fuses
3 242.
Turn signals 3 140.
Seat belt reminder
Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red in the instrument cluster.
k for front passenger seat illuminates
or flashes red in the roof console,
when seat is occupied.
Illuminates
After the ignition has been switched on until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds until the
seat belt has been fastened.