Page 39 of 291

Keys, doors and windows37Status 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 3 120.
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 291
Keys, doors and windows39Electric folding
Switch control to o, then push the
control c down. Both exterior mirrors
will fold.
Push the control down again - both
exterior mirrors return to their original position.
If an electrically folded mirror is
manually extended, pressing down
the control will only electrically extend
the other mirror.
Heated mirrors
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Page 44 of 291

42Keys, doors and windows
Press and hold c to open windows.
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully opened or
closed, the hazard warning lights will
flash twice.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 120.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull switch until the window is closed and keep pulling for
additional two seconds.
4. Push switch until the window is completely open and keep
pushing for additional
two seconds.
5. Repeat for each window.Heated rear window
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down or
swivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
A ticket holder is located on the
backside of the sun visor.
Page 55 of 291

Seats, restraints53Heating
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 3 159.
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 3 122.
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 3 159.
Page 56 of 291
54Seats, restraintsMassage
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 3 159.
Page 91 of 291

Instruments and controls89Instruments and
controlsControls ....................................... 90
Steering wheel adjustment ........90
Steering wheel controls .............90
Heated steering wheel ...............91
Horn ........................................... 91
Windscreen wiper/washer .........91
Rear window wiper/washer .......93
Outside temperature ..................94
Clock ......................................... 94
Power outlets ............................. 96
Power connector .......................97
Ashtrays .................................... 98
Warning lights, gauges and indi‐ cators ......................................... 100
Instrument cluster ....................100
Speedometer ........................... 103
Odometer ................................ 104
Trip odometer .......................... 104
Tachometer ............................. 105
Fuel gauge .............................. 105
Engine coolant temperature gauge ..................................... 105
Service display ........................ 106
Control indicators ....................107Turn signal............................... 107
Seat belt reminder ...................107
Airbag and belt tensioners .......108
Airbag deactivation ..................108
Charging system .....................108
Malfunction indicator light ........109
Brake and clutch system .........109
Electric parking brake ..............109
Electric parking brake fault ......109
Antilock brake system (ABS) ...110
Gear shifting ............................ 110
Following distance ...................110
Lane keep assist .....................110
Electronic Stability Control off . 110
Electronic Stability Control and Traction Control system .........110
Traction Control system off .....111
Preheating ............................... 111
Tyre pressure monitoring system .................................... 111
Engine oil pressure ..................111
Low fuel ................................... 111
Immobiliser .............................. 112
Exterior light ............................ 112
High beam ............................... 112
High beam assist .....................112
LED headlights ........................ 112
Fog light ................................... 112
Rear fog light ........................... 112
Cruise control .......................... 112Vehicle detected ahead ...........112
Speed limiter ........................... 112
Traffic sign assistant ................113
Door open ................................ 113
Information displays ...................113
Driver Information Centre ........113
Info display .............................. 118
Vehicle messages ......................120
Warning chimes .......................121
Battery voltage ........................ 122
Vehicle personalisation ..............122
OnStar ....................................... 128
Page 93 of 291
Instruments and controls91Heated 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 3 159.
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 105 of 291
Instruments and controls103OverviewOTurn signal 3 107XSeat belt reminder 3 107vAirbag and belt tensioners
3 108VAirbag deactivation 3 108pCharging system 3 108ZMalfunction indicator light
3 109RBrake and clutch system 3 109mElectric parking brake 3 109jElectric parking brake fault
3 109uAntilock brake system (ABS)
3 110RGear shifting 3 110EFollowing distance 3 110aLane keep assist 3 110aElectronic Stability Control off
3 110bElectronic Stability Control and
Traction Control system 3 110kTraction Control system off
3 111!Preheating 3 111wTyre pressure monitoring
system 3 111IEngine oil pressure 3 111YLow fuel 3 111dImmobiliser 3 1128Exterior light 3 112CHigh beam 3 112fHigh beam assist 3 112fLED headlights 3 112>Fog light 3 112øRear fog light 3 112mCruise control 3 112AVehicle detected ahead 3 112LSpeed limiter 3 112LTraffic sign assistant 3 113hDoor open 3 113
Speedometer
Indicates vehicle speed.