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 40 of 267

38Keys, doors and windowsHeated 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.
If the sun visors have integral mirrors, the mirror covers 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.
Open or close
Press p or r gently to the first
detent: sunroof is opened or closed as long as the switch is operated.
Press p or r firmly to the second
detent then release: the sunroof is
opened or closed automatically.
During closing the safety function is
enabled. To stop movement, operate
the switch once more.
Raise or close Press q or r : sunroof is raised or
closed automatically. During closing
the safety function is enabled.
Sunblind
The sunblind is manually operated.
Close or open the sunblind by sliding. When the sunroof is open, the
sunblind is always open.
Page 41 of 267
Keys, doors and windows39General hintsSafety function
If the sunroof encounters resistance
during automatic closing, it is
immediately stopped and opened again.
Override safety function
In the event of closing difficulties, e.g.
due to frost, hold the switch r
pressed to the second detent. The
sunroof closes with safety function
disabled. To stop movement, release
the switch.
Closing sunroof from outside
The sunroof can be closed remotely
from outside the vehicle.
Press and hold e to close the sunroof.
Release the button to stop the
movement.
Initialising after a power failure
After a power failure, it may only be
possible to operate the sunroof to a
limited extent. Have the system
initialised by your workshop.
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
Page 102 of 267

100Instruments and controlsTo reset on Midlevel display, press
SET/CLR for a few seconds, on
Uplevel display, press > and confirm
with 9.
Average speed
Display of average speed. The
measurement can be reset at any
time.
To reset on Midlevel display, press
SET/CLR for a few seconds, on
Uplevel display, press > and confirm
with 9.
Digital speed
Digital display of the instantaneous
speed.
Fuel range
Range is calculated from current fuel
level and current consumption. The
display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
When the level in the fuel tank is low,
a message appears on the display
and the control indicator Y in the fuel
gauge illuminates.When the fuel tank has to be refuelled
immediately, a warning message
appears and remains on the display.
Additionally, the control indicator Y in
the fuel gauge flashes 3 95.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Remaining Oil Life
Indicates an estimate of the oil's
useful life. The number in percentage
means the remainder of current oil life 3 90.
Tyre Pressure
Checks tyre pressure of all wheels
during driving 3 219.
Timer
To start and stop, press 9. To reset,
press > and confirm reset.
Traffic sign assistant
Displays the detected traffic signs for
the current route section 3 181.Following Distance
Displays the distance in seconds to a preceding moving vehicle 3 168. If
Adaptive cruise control is active this
page shows the following distance
setting instead.
Top Consumers
List of top comfort consumers
currently switched on is displayed in
descending order. Fuel saving
potential is indicated. A switched-off
consumer disappears from the list
and the consumption value will be
updated.
During sporadic driving conditions,
the engine will activate the rear
window defog automatically to
increase the engine load. In this
event, the rear window defog is
indicated as one of the top
consumers, without activation by the
driver.
Economy Trend
Displays the average consumption
development over a distance of
50 miles. Filled segments display the
consumption in 5 mile steps and
Page 107 of 267

Instruments and controls105● driver assistance systems
● cruise control
● speed limiter
● forward collision alert
● collision imminent braking system
● parking assist systems
● lighting, bulb replacement
● LED headlights
● wiper/washer system
● doors, windows
● side blind spot alert
● traffic sign assistant
● lane keep assist
● load compartment, tailgate
● radio remote control
● electronic key system
● keyless starting
● seat belts
● airbag systems
● engine and transmission
● tyre pressure
● diesel particle filter● vehicle battery status
● stop-start system
Messages in the
Colour-Info-Display
Some important messages may
appear additionally in the
Colour-Info-Display. Press the
multifunction knob to confirm a
message. Some messages only pop- up for a few seconds.
Warning chimes
When starting the engine or whilst driving
Only one warning chime will sound at
a time.
The warning chime regarding not
fastened 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 approaching a vehicle aheadtoo closely.
● If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If the diesel particle 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.
● If any condition for an autostart is
not fulfilled.