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Keys, doors and windows41
Press and hold c for more than two
seconds to open windows.
Press and hold e for more than two
seconds 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 3 124.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull the switch until the window is closed and keep pulling for
additional two seconds.
4. Push the 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 b together with
heated exterior mirrors. LED in button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Page 44 of 323
42Keys, doors and windowsHeated windscreen
Operated by pressing ,. LED in
button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Pressing , once more during the
same ignition cycle allows the heating to operate for another three minutes.
Sun visors The sun visors can be folded down or
swivelled to the side to prevent
dazzling.
The covers of the mirrors should be
closed when driving.
A ticket holder is located on the
backside of the sun visor.Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close watch on the
movable parts when operating
them. Ensure that nothing
becomes trapped in them as they
move.
Switch on ignition to operate the sunroof.
Page 55 of 323

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 3 166.
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 3 126.
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 ventilation 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 3 166.
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54Seats, restraintsMassage
Press c to switch on the back
massage function.
To switch off, press c again. The
current massage procedure will be
ended, this may take a few seconds.
After ten minutes the massage
function is switched off automatically.
Rear seats
Armrest
Fold armrest down. The armrest
contains cupholders.
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 3 166.
Page 89 of 323

Instruments and controls87Instruments and
controlsControls ....................................... 88
Steering wheel adjustment ........88
Steering wheel controls .............88
Heated steering wheel ...............89
Horn ........................................... 89
Windscreen wiper/washer .........89
Rear window wiper/washer .......91
Outside temperature ..................92
Clock ......................................... 92
Power outlets ............................. 94
Inductive charging .....................95
Ashtrays .................................... 96
Warning lights, gauges and indi‐ cators ........................................... 97
Instrument cluster ......................97
Speedometer ........................... 102
Odometer ................................ 103
Trip odometer .......................... 103
Tachometer ............................. 104
Fuel gauge .............................. 104
Engine coolant temperature gauge ..................................... 105
Service display ........................ 105
Control indicators ....................106Turn signal............................... 106
Seat belt reminder ...................106
Airbag and belt tensioners .......107
Airbag deactivation ..................107
Charging system .....................108
Malfunction indicator light ........108
Brake and clutch system .........108
Electric parking brake ..............108
Electric parking brake fault ......108
Antilock brake system (ABS) ...109
Gear shifting ............................ 109
Following distance ...................109
Lane keep assist .....................109
Electronic Stability Control off . 109
Electronic Stability Control and Traction Control system .........109
Traction Control system off .....110
Engine coolant temperature ....110
Preheating ............................... 110
AdBlue ..................................... 110
Tyre pressure monitoring system .................................... 110
Engine oil pressure ..................110
Low fuel ................................... 111
Immobiliser .............................. 111
Exterior light ............................ 111
High beam ............................... 111
High beam assist .....................111
LED headlights ........................ 111
Fog light ................................... 111Rear fog light........................... 112
Cruise control .......................... 112
Adaptive cruise control ............112
Vehicle detected ahead ...........112
Pedestrian detection ................112
Speed limiter ........................... 112
Traffic sign assistant ................112
Door open ................................ 112
Information displays ...................113
Driver Information Centre ........113
Info display .............................. 120
Head-up display ......................122
Vehicle messages ......................124
Warning chimes .......................125
Battery voltage ........................ 125
Vehicle personalisation ..............126
Telematics service .....................130
OnStar ..................................... 130
Page 91 of 323
Instruments and controls89Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 166.
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 104 of 323

102Instruments and controlsOverviewOTurn signal 3 106XSeat belt reminder 3 106vAirbag and belt tensioners
3 107VAirbag deactivation 3 107pCharging system 3 108ZMalfunction indicator light
3 108RBrake and clutch system 3 108mElectric parking brake 3 108jElectric parking brake fault
3 108uAntilock brake system (ABS)
3 109RGear shifting 3 109EFollowing distance 3 109aLane keep assist 3 109nElectronic Stability Control off
3 109bElectronic Stability Control and
Traction Control system 3 109kTraction Control system off
3 110WEngine coolant temperature
3 110!Preheating 3 110YAdBlue 3 110wTyre pressure monitoring
system 3 110IEngine oil pressure 3 110YLow fuel 3 111dImmobiliser 3 1118Exterior light 3 111CHigh beam 3 111fHigh beam assist 3 111fLED headlights 3 111>Fog light 3 111rRear fog light 3 112mCruise control 3 112CAdaptive cruise control 3 112AVehicle detected ahead 3 1127Pedestrian detected ahead
3 205LSpeed limiter 3 112LTraffic sign assistant 3 112hDoor open 3 112
Speedometer
Indicates vehicle speed.
Page 106 of 323
104Instruments and controlsUplevel instrument cluster
Select Info page 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.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Fuel gauge
Displays the level in the fuel tank.
The arrow indicates the vehicle side
where the fuel filler flap is located.
Control indicator Y illuminates if the
level in the tank is low. Refuel
immediately if it flashes.
Never run the fuel tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified fuel tank capacity.