20Keys, doors and windowsKeys, doors and
windowsKeys, locks ................................... 20
Keys .......................................... 20
Car Pass .................................... 21
Radio remote control .................21
Electronic key system ................22
Memorised settings ...................23
Central locking system ..............24
Automatic locking ......................27
Child locks ................................. 28
Doors ........................................... 29
Load compartment ....................29
Vehicle security ............................ 33
Anti-theft locking system ...........33
Anti-theft alarm system ..............34
Immobiliser ................................ 36
Exterior mirrors ............................ 37
Convex shape ........................... 37
Electric adjustment ....................37
Folding mirrors .......................... 37
Heated mirrors ........................... 38
Automatic dimming ....................38
Parking assist ............................ 38Interior mirrors............................. 39
Manual anti-dazzle ....................39
Automatic anti-dazzle ................39
Windows ...................................... 39
Windscreen ............................... 39
Manual windows ........................40
Power windows ......................... 40
Heated rear window ..................42
Sun visors .................................. 42
Roller blinds ............................... 42
Roof ............................................. 43
Sunroof ...................................... 43Keys, locks
KeysCaution
Do not attach heavy or bulky items to the ignition key.
Replacement keys
The key number is specified in the
Car Pass or on a detachable tag.
The key number must be quoted
when ordering replacement keys as it
is a component of the immobiliser
system.
Locks 3 270, Radio remote control
3 21, Electronic key 3 22, Central
locking 3 24, Starting the engine
3 158.
The code number of the adapter for
the locking wheel nuts is specified on
a card. It must be quoted when
ordering a replacement adapter.
Wheel changing 3 260.
Keys, doors and windows23Notice
Do not put the electronic key in the
load compartment or in front of the
Info-Display.
Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly or the range is reduced. The need for battery replacement is indicated by a
message in the Driver Information
Centre 3 119.
Battery replacement, see 'Radio
remote control' 3 21.
Electronic key synchronisation
The electronic key synchronises itself automatically during every starting
procedure.Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
● Fault in electronic key.
● Electronic key is out of reception range.
● The battery voltage is too low.
● Overload of the central locking system by operating at frequent
intervals; the power supply is
interrupted for a short time.
● Interference from higher-power radio waves from other sources.
To rectify the cause of the fault,
change the position of the electronic
key.
Manual unlocking 3 24.
Memorised settings
Whenever the ignition is switched off, the following settings are
automatically memorised by the
remote control unit or the electronic
key:● automatic climate control
● lighting
● Infotainment system
● central locking system
● Sport mode settings
● comfort settings
The saved settings are automatically used the next time the ignition is
switched on with the memorised key
with remote control unit 3 155 or
electronic key 3 22.
A precondition is that Personalisation
by Driver is activated in the personal
settings of the Info-Display. This must
be set for each remote control unit or
electronic key which is used.
Also memorised are the adjustments
of the driver's seat and exterior
mirrors, independent of the memory
positions 3 50.
Power seat automatically moves into the saved position when unlocking
and opening the driver's door with the
memorised remote control or
electronic key and Auto Memory
Recall in the Info-Display is activated.
Vehicle personalisation 3 121.
Keys, doors and windows27Fault in radio remote control unit
or electronic key system
Manual unlocking
Manually unlock the driver's door by
turning the key in the lock. Switch on
the ignition and press the central
locking button c to unlock all doors,
load compartment and fuel filler flap.
By switching on the ignition, the anti-
theft locking system is deactivated.
Manual locking
Manually lock the driver's door by
turning the key in the lock.
Fault in central locking system
Manual unlocking
Manually unlock the driver's door by
turning the key in the lock. The other
doors can be opened by pulling the
interior handle twice. The load
compartment and fuel filler flap
cannot be opened. To deactivate the
anti-theft locking system, switch on
the ignition 3 34.
Manual locking
Push inside locking knob of all doors
except driver's door. Then close the
driver's door and lock it from the
outside with the key. The fuel filler flap
and tailgate cannot be locked.
Automatic locking Automatic locking after driving off This security feature can be
configured to automatically lock all
doors, load compartment and fuel
filler flap after driving off and
exceeding a certain speed.When at a standstill after driving, the
vehicle will be unlocked automatically
as soon as the key is removed from
the ignition switch, or with electronic
key system when the ignition is
switched off.
Activation or deactivation of
automatic locking can be set in the
menu Settings , I Vehicle in the
Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 121.
The setting can be saved for the
remote control or electronic key being used 3 23.
Automatic relock after unlocking
This feature can be configured to
automatically lock all doors, load
compartment and fuel filler flap a
short time after unlocking with the
remote control or electronic key,
provided no door has been opened.
Activation or deactivation of
automatic relock can be set in the
menu Settings , I Vehicle in the
Colour-Info-Display.
Colour-Info-Display 3 117.
Instruments and controls121Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Colour-Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 23.
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 Following the changing of personal
settings is described via the buttons
below the display. This is valid for
4.2'' as well as 8'' Colour-Info-Display.
Additionally, the 8'' display is operable
as a touchscreen. See description
'Colour-Info-Display' 3 117 and the
Infotainment manual.
With active display, press ;.
Turn MENU to select SETTINGS
display icon.
Press MENU to confirm.
The following settings can be selected by turning and pressing the
multifunction knob:
● Time and Date
● Sport Mode
● Language (Language)
● Valet Mode
● Radio
● Vehicle
● Bluetooth
●Voice
● Display
● Rear Camera
● Return to Factory Settings
● Software Information
In the corresponding submenus, the
following settings can be changed:
Time and Date
See 'Clock' 3 89.
Sport Mode
The driver can select the functions
which will be activated in Sport mode
3 177.
● Sport Mode Backlighting :
Changes the instrument
illumination colour.
● Engine Sport Performance :
Accelerator pedal and gear
change characteristics become
more responsive.
● Sport Steering : Steering support
is reduced.
122Instruments and controls●Sport Suspension : Damping
becomes harder.
● All Wheel Drive : Engine torque is
distributed to a greater extent to the rear axle.
Language (Language)
Selection of the desired language.
See Infotainment manual.
Valet Mode
See Infotainment manual.
Radio
See Infotainment manual.
Vehicle ● 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 Compartment Zone Temp :
Change between single zone or
dual zone temperature setting.
Auto Demist : Supports
windscreen dehumidification by
automatically selecting the
necessary settings and
automatic air conditioning mode.
Auto Rear Demist : Activates
automatically the heated rear
window.
● Collision / Detection Systems
Park Assist : Activates or
deactivates the ultrasonic
parking assist.
Auto Collision Preparation :
Activates or deactivates the
automatic brake functionality of
the vehicle in the event of
imminent collision danger. The
following is selectable: the
system will take over brake
control, warn by chimes only or is
deactivated completely.
Go Notifier : Activates or
deactivates the reminder function of the adaptive cruise control.Side Blind Zone Alert : Activates
or deactivates side blind zone alert.
Rear Cross Traffic Alert :
Activates or deactivates rear
cross traffic alert.
● Comfort and Convenience
Auto Memory Recall : Changes
the settings to the recall of
memorised settings for power
seat adjustment and exterior
mirrors.
Easy Exit Driver Seat : Activates
or deactivates easy exit function
of the power seat.
Chime Volume : Changes the
volume of warning chimes.
Reverse Tilt Mirror : Activates or
deactivates the parking assist function of the exterior mirror on
the passenger side.
Auto Mirror Folding : Activates or
deactivates folding of the exterior
mirrors with the remote control.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
124Instruments and controlsRear Park Assist Symbols: Activates
or deactivates the rear park assist
symbols.
Return to Factory Settings
Restore Vehicle Settings : Resets all
settings to the default settings.
Clear All Private Data : Deletes all
private information from the vehicle.
Restore Radio Settings : Resets all
radio settings to the default settings.
See Infotainment manual.
Software Information
See Infotainment manual.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, mobile service and
GPS satellite link.
To activate the OnStar services and
set up an account, press Z and speak
with an advisor.
Depending on the equipment of the vehicle, the following services areavailable:
● Emergency services and support
in the case of a vehicle
breakdown
● Wi-Fi hotspot● Smartphone application
● Remote control, e.g. location of the vehicle, activation of horn andlights, control of central locking
system
● Stolen vehicle assistance
● Vehicle diagnostics
● Destination download
Notice
The OnStar module of the vehicle is
deactivated after ten days without an
ignition cycle. Functions requiring a
data connection will be available
again after switching on the ignition.
OnStar buttons
162Driving and operatingParking9Warning
● Do not park the vehicle on an
easily ignitable surface. The
high temperature of the
exhaust system could ignite the
surface.
● Always apply the parking brake. Activate the manual
parking brake without pressing the release button. Apply as
firmly as possible on a downhill slope or uphill slope. Depress
brake pedal at the same time to
reduce operating force.
For vehicles with electric
parking brake, pull switch m for
approx. one second.
The electric parking brake is
applied when control indicator
m illuminates 3 105.
● Switch off the engine.
● If the vehicle is on a level surface or uphill slope, engage
first gear or set the selector
lever to position P before
removing the ignition key or
switching off ignition on
vehicles with power button. On
an uphill slope, turn the front
wheels away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position
P before removing the ignition
key or switching off ignition on
vehicles with power button.
Turn the front wheels towards
the kerb.
● Close the windows and the sunroof.
● Remove the ignition key from the ignition switch or switch off
ignition on vehicles with power
button. Turn the steering wheel until the steering wheel lock is
felt to engage.
For vehicles with automatic
transmission, the key can only
be removed when the selector
lever is in position P.●
Lock the vehicle with button e on
the radio remote control.
Activate the anti-theft alarm
system 3 34.
● The engine cooling fans may run
after the engine has been
switched off 3 226.Caution
After running at high engine
speeds or with high engine loads,
operate the engine briefly at a low load or run in neutral for
approx. 30 seconds before
switching off, in order to protect
the turbocharger.
Notice
In the event of an accident with airbag deployment, the engine is
turned off automatically if the vehicle
comes to a standstill within a certain time.