Page 39 of 267

Keys, doors and windows37Child safety system for rear
windows
Press z to deactivate rear door
power windows; the LED illuminates.
To activate, press z again.
Operating windows from outside
The windows can be operated
remotely from outside the vehicle.
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 3 104.
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.
Page 43 of 267
Seats, restraints41Head restraints on rear seats
Height adjustment
Pull the head restraint upwards or
press the catch to release and push the head restraint downwards.
Front seats
Seat position9 Warning
Only drive with the seat correctly
adjusted.
9 Danger
Do not sit nearer than 25 cm from
the steering wheel, to permit safe
airbag deployment.
9 Warning
Never adjust seats while driving as
they could move uncontrollably.
9 Warning
Never store any objects under the
seats.
● Sit with buttocks as far back against the backrest as possible.
Adjust the distance between the
seat and the pedals so that legs
are slightly angled when fully
pressing the pedals. Slide the
front passenger seat as far back
as possible.
● Set seat height high enough to have a clear field of vision on all
sides and of all display
instruments. There should be at
least one hand of clearance
between head and the roof
frame. Your thighs should rest
lightly on the seat without
pressing into it.
Page 48 of 267

46Seats, restraintsSide bolster
Adjust seat backrest width to suit
personal requirements.
Press e to reduce backrest width.
Press d to increase backrest width.
Memory function for power seat adjustment
Two different driver's seat settings
can be stored.
Memorised settings 3 23, Vehicle
personalisation 3 106.
Storing memory position
● Adjust driver's seat to desired position.
● Press and hold MEM and 1 or 2
simultaneously until a chime sounds.
Recall of memory positions
Press and hold 1 or 2 until the stored
seat position has been reached.
Releasing the button during seat
movement cancels the recall.
Storing position by remote control
Actual driver's seat position is
automatically stored by the radio
remote control key each time the
ignition is switched off. These stored
positions are independent of the
memory positions stored by the
button 1 or 2.
The stored positions are
automatically recalled by switching on the ignition.
To stop recall 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 3 102.
Vehicle personalisation 3 106.
Easy exit function
For a convenient exit out of the
vehicle, the power driver seat moves
rearwards when vehicle is stationary.
To activate, switch off ignition,
remove key from the ignition switch
and open the driver's door. If the door
is already open, switch off ignition to
activate the recall.
To stop recall movement, press one
of the memory or power seat controls.
Page 49 of 267

Seats, restraints47This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in the Vehicle menu in the Info-Display.
Info-Display 3 102.
Vehicle personalisation 3 106.
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 button for 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.Armrest
The armrest can be slid forwards by
10 cm. Under the armrest there is a
storage compartment.
Armrest storage 3 66.
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.
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.
Page 50 of 267

48Seats, restraintsStop-start system 3 144.
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 3 106.
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 3 144.
Massage
Press c to switch on the back
massage function. To switch off,
press c again.
Page 76 of 267

74Instruments and controlsInstruments and
controlsControls ....................................... 75
Steering wheel adjustment ........75
Steering wheel controls .............75
Heated steering wheel ...............76
Horn ........................................... 76
Windscreen wiper/washer .........76
Rear window wiper/washer .......78
Outside temperature ..................79
Clock ......................................... 79
Power outlets ............................. 81
Power connector .......................82
Ashtrays .................................... 83
Warning lights, gauges and indi‐ cators ........................................... 84
Instrument cluster ......................84
Speedometer ............................. 87
Odometer .................................. 88
Trip odometer ............................ 88
Tachometer ............................... 89
Fuel gauge ................................ 89
Engine coolant temperature gauge ....................................... 89
Service display .......................... 90
Control indicators ......................91Turn signal................................. 91
Seat belt reminder .....................91
Airbag and belt tensioners .........92
Airbag deactivation ....................92
Charging system .......................92
Malfunction indicator light ..........93
Brake and clutch system ...........93
Electric parking brake ................93
Electric parking brake fault ........93
Antilock brake system (ABS) .....94
Gear shifting .............................. 94
Following distance .....................94
Lane keep assist .......................94
Electronic Stability Control off ...94
Electronic Stability Control and Traction Control system ...........94
Traction Control system off .......95
Preheating ................................. 95
Tyre pressure monitoring system ...................................... 95
Engine oil pressure ....................95
Low fuel ..................................... 95
Immobiliser ................................ 96
Exterior light .............................. 96
High beam ................................. 96
High beam assist .......................96
LED headlights .......................... 96
Fog light ..................................... 96
Rear fog light ............................. 96
Cruise control ............................ 96Vehicle detected ahead .............96
Speed limiter ............................. 96
Traffic sign assistant ..................97
Door open .................................. 97
Information displays .....................97
Driver Information Centre ..........97
Info display .............................. 102
Vehicle messages ......................104
Warning chimes .......................105
Battery voltage ........................ 106
Vehicle personalisation ..............106
OnStar ....................................... 113
Page 80 of 267
78Instruments and controls
Keep the sensor free from dust, dirt
and ice.
Rain sensor function can be activated or deactivated in the Vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Info-Display.
Info-Display 3 102.
Vehicle personalisation 3 106.
Windscreen washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Washer fluid 3 199
Rear window wiper/washer
Turn outer cap to activate the rear
window wiper:
ON:continuous operationINT:intermittent operationOFF:off
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Page 81 of 267
Instruments and controls79Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 106.
Rear window washer
Push lever.
Washer fluid is sprayed onto the rear
window and the wiper wipes a few
times.
The rear window washer system is
deactivated when the fluid level is
low.
Washer fluid 3 199
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
Illustration shows an example.
If outside temperature drops to 3 °C,
a warning message is displayed in the Driver Information Centre.
9 Warning
The road surface may already be
icy even though the display
indicates a few degrees above 0
°C.
Clock
Date and time are shown in the
Info-Display.
Info-Display 3 102