Page 17 of 345
In brief15Climate control
Heated rear window
Operated by pressing b.
Heated rear window 3 41.
Heated windscreen
Operated by pressing ,.
Heated windscreen 3 42.
Heated exterior mirrors
Pressing b also activates the exterior
mirror heating.
Heated exterior mirrors 3 38.
Demisting and defrosting the
windows, air conditioning system
● Press á: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature control to warmest level.
● Switch on air conditioning A/C if
required.
● Switch on heated rear window b.
● Open side air vents as required and direct them towards the doorwindows.
Air conditioning system 3 163.
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38Keys, doors and windowsHeated mirrors
Heating of rear window and exterior
mirrors is operated by pressing b.
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.
Parking assist
For mirrors with position memory, theexterior mirrors are automatically
aimed at the rear tyres as a parking
aid when reverse gear is selected,
except during trailer operation.
Position memory 3 49.
Activation or deactivation of this
function can be changed in vehicle
personalisation.
Vehicle personalisation 3 123.Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Page 43 of 345

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 3 122.
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
Heating of rear window and exterior
mirrors is operated by pressing b.
LED in button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
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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 46 of 345

44Seats, restraintsSeats, restraintsHead restraints............................ 44
Front seats ................................... 46
Seat position .............................. 46
Manual seat adjustment ............47
Power seat adjustment ..............49
Armrest ...................................... 52
Heating ...................................... 53
Ventilating .................................. 53
Massage .................................... 54
Rear seats ................................... 54
Armrest ...................................... 54
Heating ...................................... 54
Seat belts ..................................... 55
Three-point seat belt .................56
Airbag system .............................. 57
Front airbag system ...................60
Side airbag system ....................61
Curtain airbag system ...............61
Airbag deactivation ....................62
Child restraints ............................. 63
Child restraint systems ..............63
Child restraint installation locations ................................... 66Pedestrian protection system ......70
Active bonnet ............................. 70Head restraints
Position9 Warning
Only drive with the head restraint
set to the proper position.
The upper edge of the head restraint
should be at upper head level. If this
is not possible for extremely tall
people, set to highest position, and
set to lowest position for small people.
Page 55 of 345

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 3 180.
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 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 3 180.
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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 3 180.
Page 88 of 345

86Instruments and controlsInstruments and
controlsControls ....................................... 87
Steering wheel adjustment ........87
Steering wheel controls .............87
Heated steering wheel ...............87
Horn ........................................... 88
Windscreen wiper and washer ..88
Rear window wiper and washer ...................................... 90
Outside temperature ..................91
Clock ......................................... 91
Power outlets ............................. 92
Navigation map card port ..........93
Inductive charging .....................93
Ashtrays .................................... 94
Warning lights, gauges and indi‐ cators ........................................... 95
Instrument cluster ......................95
Speedometer ........................... 100
Odometer ................................ 101
Trip odometer .......................... 101
Tachometer ............................. 102
Fuel gauge .............................. 102
Engine coolant temperature gauge ..................................... 103Service display........................ 103
Control indicators ....................104
Turn lights ................................ 104
Seat belt reminder ...................104
Airbag and belt tensioners .......105
Airbag deactivation ..................105
Charging system .....................106
Malfunction indicator light ........106
Brake and clutch system .........106
Electric parking brake ..............106
Electric parking brake fault ......106
Antilock brake system (ABS) ...107
Gear shifting ............................ 107
Following distance ...................107
Lane keep assist .....................107
Electronic Stability Control off . 107
Electronic Stability Control and Traction Control system .........107
Traction Control system off .....108
Engine coolant temperature ....108
Preheating ............................... 108
AdBlue ..................................... 108
Tyre pressure monitoring system .................................... 108
Engine oil pressure ..................108
Low fuel ................................... 109
Immobiliser .............................. 109
Exterior light ............................ 109
High beam ............................... 109
High beam assist .....................109LED headlights ........................ 109
Front fog lights ......................... 109
Rear fog light ........................... 110
Cruise control .......................... 110
Adaptive cruise control ............110
Vehicle detected ahead ...........110
Pedestrian detection ................110
Speed limiter ........................... 110
Traffic sign assistant ................110
Door open ................................ 110
Displays ..................................... 111
Driver Information Centre ........111
Info Display .............................. 117
Head-up display ......................119
Vehicle messages ......................122
Warning chimes .......................122
Battery voltage ........................ 123
Vehicle personalisation ..............123
Telematics service .....................126
OnStar ..................................... 126