
In brief15Climate control
Heated rear window
Heating is operated by pressing b.
Heated rear window 3 40.
Heated windscreen
Heating is operated by pressing ,.
Heated windscreen 3 40.
Heated exterior mirrors
Pressing b also activates the heated
exterior mirrors.
Heated exterior mirrors 3 36.
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 3 148.

36Keys, 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.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Info-Display 3 119.
Vehicle personalisation 3 125.
The settings are automatically stored
for the key being used 3 21.
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.

40Keys, doors and windowsHeated 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.
The covers of the mirrors should be
closed when driving.
A ticket holder is located on the
backside of the sun visor.

Seats, restraints43Seats, restraintsHead restraints............................ 43
Front seats ................................... 45
Seat position .............................. 45
Manual seat adjustment ............46
Power seat adjustment ..............48
Armrest ...................................... 51
Heating ...................................... 51
Ventilating .................................. 52
Massage .................................... 52
Rear seats ................................... 53
Armrest ...................................... 53
Heating ...................................... 53
Seat belts ..................................... 54
Three-point seat belt .................55
Airbag system .............................. 56
Front airbag system ...................59
Side airbag system ....................60
Curtain airbag system ...............60
Airbag deactivation ....................61
Child restraints ............................. 62
Child restraint systems ..............62
Child restraint installation locations ................................... 65Pedestrian protection system ......69
Active bonnet ............................. 69Head 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.

Seats, restraints51To activate the easy exit function:● set selector lever to position P
(automatic transmission)
● apply parking brake (manual transmission)
● switch off ignition
● remove key from the ignition switch
● open the driver's door
If the door is already open, switch off
ignition to activate easy exit.
To stop movement, press one of the
memory or power seat controls.
This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in the
Vehicle menu in the Info-Display.
Info-Display 3 119.
Vehicle personalisation 3 125.
Safety function
If the driver's seat encounters
resistance during movement, the
recall may stop. After removing the
obstruction, press and hold the
appropriate memory position buttonfor two seconds. Try recalling the
memory position again. If the recall
does not operate, consult a
workshop.
Overload
If the seat setting is electrically
overloaded, the power supply is
automatically cut-off for a short time.
Notice
After an accident in which airbags have been deployed, the memory
function for each position button will
be deactivated.
ArmrestPush button and fold armrest
upwards. Under the armrest there is
a storage compartment and an
inductive charger.
Inductive charging 3 94.
Heating
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.

52Seats, restraintsThe 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 3 165.
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 3 125.
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.
VentilatingAdjust 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 3 165.
Massage
Press c to switch on the back
massage function.

Seats, restraints53To 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 3 165.

86Instruments and controlsInstruments and
controlsControls ....................................... 87
Steering wheel adjustment ........87
Steering wheel controls .............87
Heated steering wheel ...............88
Horn ........................................... 88
Windscreen wiper/washer .........88
Rear window wiper/washer .......90
Outside temperature ..................91
Clock ......................................... 91
Power outlets ............................. 93
Inductive charging .....................94
Ashtrays .................................... 95
Warning lights, gauges and indi‐ cators ........................................... 96
Instrument cluster ......................96
Speedometer ........................... 101
Odometer ................................ 102
Trip odometer .......................... 102
Tachometer ............................. 103
Fuel gauge .............................. 103
Engine coolant temperature gauge ..................................... 104
Service display ........................ 104
Control indicators ....................105Turn signal............................... 105
Seat belt reminder ...................105
Airbag and belt tensioners .......106
Airbag deactivation ..................106
Charging system .....................107
Malfunction indicator light ........107
Brake and clutch system .........107
Electric parking brake ..............107
Electric parking brake fault ......107
Antilock brake system (ABS) ...108
Gear shifting ............................ 108
Following distance ...................108
Lane keep assist .....................108
Electronic Stability Control off . 108
Electronic Stability Control and Traction Control system .........108
Traction Control system off .....109
Engine coolant temperature ....109
Preheating ............................... 109
AdBlue ..................................... 109
Tyre pressure monitoring system .................................... 109
Engine oil pressure ..................109
Low fuel ................................... 110
Immobiliser .............................. 110
Exterior light ............................ 110
High beam ............................... 110
High beam assist .....................110
LED headlights ........................ 110
Fog light ................................... 110Rear fog light........................... 111
Cruise control .......................... 111
Adaptive cruise control ............111
Vehicle detected ahead ...........111
Pedestrian detection ................111
Speed limiter ........................... 111
Traffic sign assistant ................111
Door open ................................ 111
Information displays ...................112
Driver Information Centre ........112
Info display .............................. 119
Head-up display ......................121
Vehicle messages ......................123
Warning chimes .......................124
Battery voltage ........................ 124
Vehicle personalisation ..............125
Telematics service .....................129
OnStar ..................................... 129