Page 40 of 329
38Keys, doors and windowsElectric folding
Push n. Both exterior mirrors will
fold.
Push n again to return both exterior
mirrors to their original position.
If an electrically folded mirror is
manually extended, pushing n will
only electrically extend the other mirror.
Folding mirrors with electronic
key
Press e again after locking for
one second to fold in mirrors.
Press c again after unlocking for
one second to fold out mirrors.
This function can be activated or
deactivated in the Vehicle
personalisation.
Vehicle personalisation 3 127.
The settings are automatically stored
for the key being used 3 25.
Heated mirrors
Operated by pressing b together with
heated rear window. LED in button
illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Automatic dimming
Dazzling by following vehicles at night
is automatically reduced by dimming
the exterior mirror on the driver's side.
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42Keys, doors and windowsInitialising the power windowsIf 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 3 125.
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.
Heated 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.
Page 56 of 329

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 3 167.
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 3 127.
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 3 167.
Page 57 of 329
Seats, restraints55Massage
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 3 167.
Page 90 of 329

88Instruments and controlsInstruments and
controlsControls ....................................... 89
Steering wheel adjustment ........89
Steering wheel controls .............89
Heated steering wheel ...............90
Horn ........................................... 90
Windscreen wiper and washer ..90
Rear window wiper and washer ...................................... 92
Outside temperature ..................93
Clock ......................................... 93
Power outlets ............................. 95
Inductive charging .....................96
Ashtrays .................................... 97
Warning lights, gauges and indi‐
cators ........................................... 98
Instrument cluster ......................98
Speedometer ........................... 103
Odometer ................................ 104
Trip odometer .......................... 104
Tachometer ............................. 105
Fuel gauge .............................. 105
Engine coolant temperature gauge ..................................... 106
Service display ........................ 106Control indicators ....................107
Turn lights ................................ 107
Seat belt reminder ...................107
Airbag and belt tensioners .......108
Airbag deactivation ..................108
Charging system .....................109
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
Engine coolant temperature ....111
Preheating ............................... 111
AdBlue ..................................... 111
Tyre pressure monitoring system .................................... 111
Engine oil pressure ..................111
Low fuel ................................... 112
Immobiliser .............................. 112
Exterior light ............................ 112
High beam ............................... 112
High beam assist .....................112
LED headlights ........................ 112Fog light................................... 112
Rear fog light ........................... 113
Cruise control .......................... 113
Adaptive cruise control ............113
Vehicle detected ahead ...........113
Pedestrian detection ................113
Speed limiter ........................... 113
Traffic sign assistant ................113
Door open ................................ 113
Displays ..................................... 114
Driver Information Centre ........114
Info Display .............................. 121
Head-up display ......................122
Vehicle messages ......................125
Warning chimes .......................126
Battery voltage ........................ 126
Vehicle personalisation ..............127
Telematics service .....................131
OnStar ..................................... 131
Page 92 of 329
90Instruments and controlsHeated 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 3 167.
Horn
Press j.
Windscreen wiper and
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 329

Instruments and controls103OverviewOTurn signal 3 107XSeat belt reminder 3 107vAirbag and belt tensioners
3 108VAirbag deactivation 3 108pCharging system 3 109ZMalfunction 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 110nElectronic Stability Control off
3 110bElectronic Stability Control and
Traction Control system 3 110kTraction Control system off
3 111WEngine coolant temperature
3 111!Preheating 3 111YAdBlue 3 111wTyre pressure monitoring
system 3 111IEngine oil pressure 3 111YLow fuel 3 112dImmobiliser 3 1128Exterior light 3 112CHigh beam 3 112fHigh beam assist 3 112fLED headlights 3 112>Fog light 3 112rRear fog light 3 113mCruise control 3 113CAdaptive cruise control 3 113AVehicle detected ahead 3 1137Pedestrian detected ahead
3 206LSpeed limiter 3 113LTraffic sign assistant 3 113hDoor open 3 113
Speedometer
Indicates vehicle speed.
Page 107 of 329
Instruments and controls105Uplevel 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.