Page 40 of 261
38Keys, doors and windowsDepending on climate control system,b is located at a different position.
Climate Control systems 3 118.
Vehicles with heating and
ventilation system or air
conditioning systemVehicles with electronic climate
control system
Heated windscreen
Operated by pressing ,. LED in
button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on climate control
system, , is located at a different
position.
Vehicles with electronic climate
control system
Vehicles with air conditioning
system
Page 41 of 261

Keys, doors and windows39Sun 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.Roof
Glass panel Do not affix any stickers to the roof.
Do not cover the vehicle using a
tarpaulin.
Sunblind The sunblind is electrically operated.
Press N
gently to the first detent at
the rear: the sunblind is opened as
long as the switch is operated.
Press N firmly to the second detent
and then release at the rear: the
sunblind is opened as long as the
switch is operated.
Press N gently to the first detent at
the front: the sunblind is closed as
long as the switch is operated.
Press N firmly to the second detent
and then release at the front: the
sunblind is closed as long as the
switch is operated.
Safety function
If the sunblind encounters resistance during automatic closing, it is
immediately stopped and opened again.
Function standby In ignition switch position 1 the
sunblind is operational 3 131.
Initialising after a power failure
After a power failure, it may only be
possible to operate the sunblind to a limited extent. Initialise the system as follows:
Page 42 of 261
40Keys, doors and windows1. Turn key in ignition switch toposition 1.
2. Press N twice gently to the first
detent at the rear, the sunblind
opens slightly.
3. Immediately press N twice gently
to the first detent at the front, the
sunblind closes slightly.
After step 3 the sunblind is in
initialising mode without safety
function.
4. Press N gently to the first detent
at the rear until the sunblind is
completely opened.
5. Press N gently to the first detent
at the front until the sunblind is
completely closed.
After this procedure, the sunblind is
initialised with safety function
activated.
When N is pressed firmly to the
second detent during initialising, the
procedure is cancelled.
Page 73 of 261

Instruments and controls71Instruments and
controlsControls ....................................... 72
Steering wheel adjustment ........72
Steering wheel controls .............72
Heated steering wheel ...............72
Horn ........................................... 73
Windscreen wiper and washer ..73
Rear window wiper and washer ...................................... 75
Outside temperature ..................75
Clock ......................................... 76
Power outlets ............................. 76
Inductive charging .....................77
Cigarette lighter ......................... 78
Ashtrays .................................... 78
Warning lights, gauges and indi‐ cators ........................................... 79
Instrument cluster ......................79
Speedometer ............................. 83
Odometer .................................. 83
Trip odometer ............................ 83
Tachometer ............................... 83
Fuel gauge ................................ 84
Fuel selector .............................. 84Engine coolant temperature
gauge ....................................... 85
Engine oil level monitor .............86
Service display .......................... 86
Control indicators ......................87
Turn lights .................................. 87
Seat belt reminder .....................88
Airbag and belt tensioners .........88
Airbag deactivation ....................88
Charging system .......................89
Malfunction indicator light ..........89
Service vehicle soon .................89
Stop engine ............................... 89
System check ............................ 89
Brake and clutch system ...........90
Parking brake ............................ 90
Antilock brake system (ABS) .....90
Gear shifting .............................. 90
Lane departure warning ............90
Electronic Stability Control and Traction Control system ...........91
Electronic Stability Control and Traction Control system off ......91
Engine coolant temperature ......91
Preheating ................................. 91
Exhaust filter .............................. 91
AdBlue ....................................... 91
Deflation detection system ........92
Engine oil pressure ....................92
Low fuel ..................................... 92Autostop.................................... 92
Exterior light .............................. 92
Low beam .................................. 93
High beam ................................. 93
High beam assist .......................93
Front fog lights ........................... 93
Rear fog light ............................. 93
Rain sensor ............................... 93
Cruise control ............................ 93
Side blind spot alert ...................93
Active emergency braking .........93
Speed limiter ............................. 93
Door open .................................. 93
Displays ....................................... 94
Driver Information Centre ..........94
Info Display ................................ 96
Head-up display ........................98
Vehicle messages ......................100
Warning chimes .......................100
Battery voltage ........................ 100
Vehicle personalisation ..............101
Telematics service .....................104
OnStar ..................................... 104
Page 77 of 261

Instruments and controls75Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Washer fluid 3 190.
Rear window wiper and washer
Rear window wiper
Turn outer cap to activate the rear
window wiper:
OFF:offINT:intermittent operationON:continuous operationDo 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
Vehicle personalisation menu 3 101.
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 3 190.
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.
Page 104 of 261

102Instruments and controlsRear wiper in reverse gear:
Activation / Deactivation.
● Vehicle
Unlocking boot only : Activation /
Deactivation.
Plip action : Driver / all doors.
● Driving assistance
Fatigue Detection system :
Activation / Deactivation.
Speed recommendation :
Activation / Deactivation.
7" Colour Info Display
Press ; to open homepage.
Use touch buttons to operate the
display:
Select Settings .
Unit settings
Select Units
Change units for Consumption and
Distance and Temperature .
Touch 9 repeatedly to return to the
homepage.
Language settings
Select Language .
Change language by touching the respective entry.
Touch 9 repeatedly to return to the
homepage.
Vehicle settings
Select Vehicle .
In the corresponding submenus the
following settings can be changed:
● Collision / Detection Systems
Side Blind Spot Alert : Activates
or deactivates side blind spot
alert.Drowsy Driver Alert : Activates or
deactivates the driver
drowsiness system.
Speed Limit Information :
Activates or deactivates the
speed limit information by traffic
sign recognition.
Rear View Camera Guidelines :
Activates or deactivates the rear
view camera guidelines on the
Info Display.
● Comfort and Convenience
Auto Wipe in Reverse Gear :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse
gear is engaged.
● Lighting
Ambient Lighting : Activates or
deactivates the ambient lighting
and adjusts its brightness.
Welcome Lighting : Activates or
deactivates and changes the
duration of welcome lighting.
Page 106 of 261

104Instruments and controlsGuide-me-home lighting:
Activates or deactivates the
function and adjusts its duration.
● Comfort
Mood lighting : Adjusts the
brightness of the ambient
lighting.
Rear wiper in reverse : Activates
or deactivates automatic
switching on of the rear window
wiper when reverse gear is
engaged.
● Vehicle access
Door unlock: boot only : Activates
or deactivates unlocking only the
tailgate when pressing T on the
remote control.
Door unlock: driver only :
Changes the configuration to
unlock only the driver's door and
fuel filler flap or all doors, load
compartment and fuel filler flap
when pressing O on the remote
control.
● Safety
Driver attention warning :
Activates or deactivates the
driver drowsiness system.Driving functions
Press Í.
Select Driving functions .
In the corresponding submenus the
following settings can be changed:
● Park Assist : Activates advanced
park assist, a parking maneuver can be selected.
● Blind Spot Sensors : Activates or
deactivates side blind spot alert.
● Panoramic view system :
Activation / deactivation of the
function.
Telematics service
OnStar
OnStar is a personal connectivity and service assistant with integrated
Wi-Fi hotspot. The OnStar service is
available 24 hours a day, seven days
a week.
Notice
OnStar is not available for all
markets. For further information,
contact your workshop.
Notice
In order to be available and
operational, OnStar needs a valid
OnStar subscription, functioning
vehicle electrics, ignition on, mobile
service and GPS satellite link.
Notice
During an Autostop, OnStar works
with limited functionality.
To activate the OnStar services and
set up an account, press Z and speak
with an advisor.
Page 119 of 261
Lighting117Battery discharge protection
Vehicle battery state of charge
function
The function guarantees longest
vehicle battery life via a generator with controllable power output and
optimised power distribution.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
● auxiliary heater
● heated rear window and mirrors
● heated seats
● fan
In the second stage, a message
which confirms the activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre.
Switching off electric lights
To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.