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Keys, doors and windows29Initialising the power windowsIf the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message or a warning code
is displayed in the Driver Information
Centre.
Vehicle messages 3 87.
Activate the window electronics as
follows:
1. Close the doors.
2. Switch on the ignition.
3. Pull switch until the window is closed and keep pulling for
additional 2 seconds.
4. Repeat for each window.Heated rear window
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down or
swivelled to the side to prevent
dazzling.
The cover of the mirrors should be
closed when driving.
A ticket holder is located on the
backside of the sun visor.
Roof
Sunroof
Foldable power 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 with ignition on (position 2)
3 116.
The foldable power sunroof can be
opened and closed while driving up to a speed of 87 mph.
Retained power off 3 117.
Page 32 of 223
30Keys, doors and windows
Switch can be operated in two ways:
short press for automatic run and hold
depressed for manual run.
Open
Short press on >: sunroof opens
automatically up to end position. To
stop movement operate switch once
more.
Hold > depressed: sunroof opens as
long as switch is operated.
Close
Short press on <: sunroof closes
automatically up to a gap of approx. 30 cm for safety reasons. Following
hold < depressed to close the
sunroof completely. To stop
movement during automatic run
operate switch once more.
Hold < depressed: sunroof closes as
long as switch is operated.
Glass panel
Sunblind
Press the button in the handle to open
the sunblind and guide it backwards.
It rolls up automatically.
No intermediate positions are
possible.
To close, draw the sunblind to the
front and allow the button to engage.
Page 62 of 223

60Instruments and controlsInstruments and
controlsControls ....................................... 61
Steering wheel adjustment ........61
Steering wheel controls .............61
Heated steering wheel ...............61
Horn ........................................... 62
Windscreen wiper and washer ..62
Rear window wiper and washer ...................................... 63
Outside temperature ..................64
Clock ......................................... 65
Power outlets ............................. 66
Cigarette lighter ......................... 67
Ashtrays .................................... 67
Warning lights, gauges and indi‐ cators ........................................... 68
Instrument cluster ......................68
Speedometer ............................. 68
Odometer .................................. 68
Trip odometer ............................ 68
Tachometer ............................... 68
Fuel gauge ................................ 69
Fuel selector .............................. 69
Engine coolant temperature gauge ....................................... 70Service display.......................... 71
Control indicators ......................72
Turn lights .................................. 74
Seat belt reminder .....................74
Airbag and belt tensioners .........75
Airbag deactivation ....................75
Charging system .......................75
Malfunction indicator light ..........76
Service vehicle soon .................76
Brake and clutch system ...........76
Operate pedal ............................ 76
Antilock brake system (ABS) .....77
Gear shifting .............................. 77
Power steering .......................... 77
Parking assist ............................ 77
Electronic Stability Control off ...77
Electronic Stability Control and Traction Control system ...........77
Exhaust filter .............................. 78
Tyre pressure monitoring system ...................................... 78
Engine oil pressure ....................78
Low fuel ..................................... 79
Immobiliser ................................ 79
Exterior light .............................. 79
High beam ................................. 79
Rear fog light ............................. 79
Cruise control ............................ 79
Door open .................................. 79Displays....................................... 80
Driver Information Centre ..........80
Info Display ................................ 85
Vehicle messages ........................87
Warning chimes .........................89
Battery voltage .......................... 89
Vehicle personalisation ................90
Telematics service .......................93
OnStar ....................................... 93
Page 65 of 223
Instruments and controls63Adjustable sensitivity of the rain
sensor
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
sensitivity of the rain sensor.
The rain sensor detects the amount of water on the windscreen and
automatically regulates the wiping
frequency and speed.
After 20 seconds without wiping
activity the wiper arms move slightly
down to park position.
Keep the sensor free from dust, dirt
and ice.
Windscreen washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Washer fluid 3 152
Rear window wiper and washer
Rear window wiper
Press the rocker switch to activate the
rear window wiper:
ON:continuous operationOFF:offINT:intermittent operation
Page 66 of 223
64Instruments and controlsDo 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.
Activation or deactivation of this
function can be changed in the menu Settings in the Info Display.
Vehicle personalisation 3 90.
Rear window washer
Push lever. Washer fluid is sprayed
onto the rear window and the wiper
wipes a few times.
Washer fluid 3 152
Outside temperature A drop in temperature is indicated
immediately and a rise in temperature
after a time delay. Temperatures
below 3 °C are displayed flashing.
Illustration shows Graphic Info
Display.
Illustration shows Colour Info Display.
Uplevel Display
Page 90 of 223

88Instruments and controlsNo.Vehicle message28Right rear turn light failure35Replace battery in radio remote
control48Clean side blind spot alert
system53Tighten fuel filler cap55Exhaust filter is full 3 12156Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Winter tyres detection59Open then close driver window60Open then close front
passenger window66Service theft alarm system67Service steering wheel lock68Service power steering75Service air conditioningNo.Vehicle message76Service side blind spot alert
system79Top up engine oil82Change engine oil soon84Engine power reduced89Service vehicle soon90Service brake assist95Service airbag128Bonnet open134Parking assist fault, clean
bumper136Service parking assist151Press clutch to start174Low vehicle battery258Parking assist offVehicle messages on the Uplevel
Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Vehicle messages on the
Colour Info Display
Some important messages appear
additionally in the
Colour Info Display. Some messages
only pop-up for a few seconds.
Page 91 of 223

Instruments and controls89Warning chimesIf several warnings appear at the
same time, only one warning chime will sound.
When starting the engine or whilst driving
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If a programmed speed is exceeded.
● If a warning message appears in the Driver Information Centre orInfo Display.
● If the parking assist detects an object.
● If the exhaust filter has reached the maximum filling level.When the vehicle is parked and /
or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
Battery voltage Midlevel Display
When the vehicle battery voltage is
running low, a warning code 174 will
appear in the Driver Information
Centre.
Uplevel Display
When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
1. Switch off immediately any electrical consumers which are
not required for a safe drive, e.g.
seat heating, heated rear window
or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.The warning message or warning
code will disappear after the engine has been started twice consecutively
without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.
Page 92 of 223

90Instruments and controlsVehicle personalisationThe vehicle's behaviour can be
personalised by changing the settings in the Info Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 21.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings Graphic Info Display
Press CONFIG for the Settings menu.
Turn the MENU-TUNE knob to move
to the desired setup menu, then press MENU-TUNE .
Select Settings and then Vehicle
settings .
Vehicle settings
● Climate and air quality
Auto fan speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Air conditioning mode : Controls
the state of the cooling
compressor when the vehicle is
started. Last setting
(recommended) or at vehicle
start is either always ON or
always OFF.
Auto rear demist : Activates
automatically rear heated
window.
● Comfort settings
Chime volume : Changes the
volume of warning chimes.
Personalization by driver :
Activates or deactivates the
personalisation function.
Rear auto wipe in reverse :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse gear is engaged.
● Park assist / Collision detection
Park assist : Activates or
deactivates the ultrasonic
sensors.