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34Keys, doors and windowsHeated windscreen
Operated by pressing Ü.
Windscreen heating works together with heated rear window and enginerunning.
It is switched off automatically after
six minutes.
Pressing Ü 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 integral 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.
Operable via a rocker switch with
ignition on (position 2) 3 134.
Retained power off 3 135.
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Seats, restraints41Activate seat heating by pressing ß
for the respective front seat.
The LED in the button illuminates to
indicate activation.
Pressing ß once more deactivates
seat heating.
Seat heating is operational when engine is running.
During an Autostop, seat heating is
also operational.
Stop-start system 3 136.Seat belts
The seat belts are locked during
heavy acceleration or deceleration of
the vehicle holding the occupants in
the sitting position. Therefore the risk
of injury is considerably reduced.
9 Warning
Fasten seat belt before each trip.
In the event of an accident, people
not wearing seat belts endanger their fellow occupants and
themselves.
Seat belts are designed to be used by only one person at a time. Child
restraint system 3 50.
Periodically check all parts of the belt
system for damage, pollution and
proper functionality.
Have damaged components
replaced. After an accident, have the
belts and triggered belt pretensioners replaced by a workshop.
Note
Make sure that the belts are not
damaged by shoes or sharp-edged
objects or trapped. Prevent dirt from
getting into the belt retractors.
Seat belt reminder
Each seat is equipped with a seat belt
reminder, indicated for driver seat as
control indicator X in the tachometer
3 91, and for front passenger seat
as control indicator k in the centre
console 3 88.
For rear seats, the seat belt reminder is indicated by symbols X in the Driver
Information Centre 3 97.
Page 77 of 267

Instruments and controls75Instruments and
controlsControls ....................................... 76
Steering wheel adjustment ........76
Steering wheel controls .............76
Heated steering wheel ...............76
Horn ........................................... 77
Windscreen wiper/washer .........77
Rear window wiper/washer .......79
Outside temperature ..................79
Clock ......................................... 80
Power outlets ............................. 82
Inductive charging .....................82
Cigarette lighter ......................... 83
Ashtrays .................................... 83
Warning lights, gauges and indi‐
cators ........................................... 84
Instrument cluster ......................84
Speedometer ............................. 84
Odometer .................................. 84
Trip odometer ............................ 84
Tachometer ............................... 85
Fuel gauge ................................ 85
Fuel selector .............................. 86
Engine coolant temperature gauge ....................................... 87Service display.......................... 87
Control indicators ......................88
Turn signal ................................. 90
Seat belt reminder .....................91
Airbag and belt tensioners .........91
Airbag deactivation ....................92
Charging system .......................92
Malfunction indicator light ..........92
Service vehicle soon .................92
Brake and clutch system ...........93
Operate pedal ............................ 93
Antilock brake system (ABS) .....93
Gear shifting .............................. 93
Power steering .......................... 93
Lane departure warning ............93
Ultrasonic parking assist ...........94
Electronic Stability Control off ...94
Electronic Stability Control and Traction Control system ...........94
Traction Control system off .......94
Preheating ................................. 94
Diesel particle filter ....................94
Tyre pressure monitoring system ...................................... 95
Engine oil pressure ....................95
Low fuel ..................................... 95
Immobiliser ................................ 95
Reduced engine power .............95
Autostop .................................... 96
Exterior light .............................. 96High beam................................. 96
High beam assist .......................96
Fog light ..................................... 96
Rear fog light ............................. 96
Cruise control ............................ 96
Vehicle detected ahead .............96
Speed limiter ............................. 96
Traffic sign assistant ..................96
Door open .................................. 96
Information displays .....................97
Driver Information Centre ..........97
Colour-Info-Display ..................101
Graphic-Info-Display ................102
Vehicle messages ......................103
Warning chimes .......................105
Battery voltage ........................ 105
Vehicle personalisation ..............106
Telematics service .....................109
OnStar ..................................... 109
Page 79 of 267
Instruments and controls77The highlighted grip areas of the
steering wheel are heated quicker and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 136.
Horn
Press j.
Windscreen wiper/washer
Windscreen wiperHI:fastLO:slowINT:interval wiping
or
automatic wiping with rain
sensorOFF:off
For a single wipe when the
windscreen wiper is off, press the
lever down to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Adjustable wiper interval
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
desired wipe interval:
short interval:turn adjuster
wheel upwardslong interval:turn adjuster
wheel downwards
Page 87 of 267
Instruments and controls85Uplevel display
Two trip odometer pages are
selectable for different trips.
Select menu ; by pressing Menu
on the turn signal lever. Turn adjuster wheel on turn signal lever and
select ;1 or ; 2. Each trip
odometer page can be reset
separately by pressing SET/CLR on
the turn signal lever for a few seconds
on the respective menu.
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 fuel level or gas content
in the tank depending on the
operation mode.
Number of LEDs displayed shows the level in the respective fuel tank. 8
LEDs means fuel tank is full.
During liquid gas operation, the level
in the gas tank is displayed.
Low fuel indication
One remaining LED illuminating white indicates that the fuel level is low.
Page 89 of 267
Instruments and controls87Engine coolant temperaturegauge
Number of LEDs displayed shows the coolant temperature.
up to 3 LEDs:engine operating
temperature not
yet reached4 to 6 LEDs:normal operating
temperaturemore than 6
LEDs:temperature too
highCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system lets you
know when to change the engine oil
and filter. Based on driving
conditions, the interval at which an
engine oil and filter change will be
indicated can vary considerably.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Press MENU to select the Vehicle
Information Menu ? .
Turn the adjuster wheel to select
Remaining Oil Life .
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88Instruments and controlsThe remaining engine oil life duration
is displayed in percent in the Driver
Information Centre.
Reset Press SET/CLR on turn signal lever
for several seconds to reset. The
remaining engine oil life duration
menu must be active. Switch on
ignition, but not the engine.
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Next service When the system has calculated that
engine oil life has diminished, a
warning message appears in the
Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
500 km (whichever occurs first).
Driver Information Centre 3 97.
Service information 3 236.Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions.
Depending on the equipment, the
position of the control indicators may
vary. When the ignition is switched
on, most control indicators will
illuminate briefly as a functionality
test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
Page 92 of 267

90Instruments and controlsControl indicators in the centre
console
Overview
OTurn signal 3 90XSeat belt reminder 3 91vAirbag and belt tensioners
3 91VAirbag deactivation 3 92pCharging system 3 92ZMalfunction indicator light
3 92gService vehicle soon 3 92RBrake and clutch system
3 93-Operate pedal 3 93uAntilock brake system (ABS)
3 93RGear shifting 3 93cPower steering 3 93)Lane departure warning 3 93rUltrasonic parking assist
3 94aElectronic Stability Control off
3 94bElectronic Stability Control and
Traction Control system 3 94kTraction Control system off
3 94!Preheating 3 94%Diesel particle filter 3 94wTyre pressure monitoring
system 3 95IEngine oil pressure 3 95YLow fuel 3 95dImmobiliser 3 95#Reduced engine power 3 95DAutostop 3 968Exterior light 3 96CHigh beam 3 96fHigh beam assist 3 96>Fog light 3 96rRear fog light 3 96mCruise control 3 96AVehicle detected ahead 3 96LSpeed limiter 3 96LTraffic sign assistant 3 96hDoor open 3 96
Turn signal
O illuminates or flashes green.
Illuminates briefly
The parking lights are switched on.