
Keys, doors and windows35
● Radio remote control orelectronic key: directly by
pressing e twice within
5 seconds.
● Electronic key system with passive locking enabled: briefly
activated after passive locking
occurs.
Note
Changes to the vehicle interior such
as the use of seat covers, and open windows or sunroof, could impair the
function of passenger compartment
monitoring.
Activation without monitoring of
passenger compartment and
vehicle inclination
Switch off the monitoring of
passenger compartment and vehicle
inclination when animals are being
left in the vehicle, because of high
volume ultrasonic signals or
movements triggering the alarm. Also switch off when the vehicle is on a
ferry or train.
1. Close tailgate, bonnet, windows and sunroof.
2. Press o. LED in the button o
illuminates for a maximum of
10 minutes.
3. Close doors.
4. Activate the anti-theft alarm system.
Status message is displayed in the
Driver Information Centre.
Status LED
Status LED is integrated in the sensor
on top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:
LED illuminates:test, arming delayLED flashes
quickly:doors, tailgate or
bonnet not
completely closed,
or system fault

36Keys, doors and windowsStatus after system is armed:LED flashes
slowly:system is armed
Seek the assistance of a workshop in the event of faults.
Deactivation Radio remote control: Unlocking the
vehicle by pressing c deactivates the
anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing the button on any
exterior door handle deactivates the
anti-theft alarm system.
The electronic key must be outside
the vehicle, within a range of approx. 1 m of the relevant door side.
The system is not deactivated by
unlocking the driver's door manually
or with the central locking button in
the passenger compartment.
Alarm
When triggered, the alarm horn
sounds and the hazard warning lights flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
The alarm can be deactivated by
pressing c on the key, by pressing the
switch on the door handle or
switching on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warning
lights. They will flash quickly three
times the next time the vehicle is
unlocked with the remote control or
electronic key. Additionally, a warning
message is displayed in the Driver
Information Centre after switching on
the ignition.
Vehicle messages 3 123.If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser
The immobiliser is activated
automatically.
If the control indicator d flashes when
the ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat the
start attempt. Retry with the key in the transmitter pocket. Operation on
vehicles with electronic key system in case of failure 3 159.
If the control indicator d continues
flashing, attempt to start the engine
using the spare key.
Seek the assistance of a workshop.

Keys, doors and windows37Note
Radio Frequency Identification
(RFID) tags may cause interference with the key. Do not have it placednear the key when starting the
vehicle.
Note
The immobiliser does not lock the doors. You should always lock the
vehicle after leaving it and switch on
the anti-theft alarm system 3 25,
3 34.
Control indicator d 3 110.Exterior mirrors
Convex shape The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Side blind spot alert 3 212.
Electric adjustment
Select the relevant exterior mirror by
pushing í for left mirror or ì for right
mirror. LED in button indicates the
selection.
Then swivel the control to adjust the
mirror.
Folding mirrors
For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the mirror by applying slight pressure tothe mirror housing.

38Keys, doors and windowsElectric folding
Push n. Both exterior mirrors will
fold.
Push n again to return both exterior
mirrors to their original position.
If an electrically folded mirror is
manually extended, pushing n will
only electrically extend the other mirror.
Folding mirrors with remote
control or electronic key
Press e again after locking for
1 second to fold in mirrors.
Press c again after unlocking for
1 second to fold out mirrors.
This function can be activated or
deactivated in the Vehicle
personalisation.
Vehicle personalisation 3 124.
The settings are automatically stored
for the key being used 3 25.
Heated mirrors
Heating of rear window and exterior
mirrors is operated by pressing b.
LED in button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Automatic dimming Dazzling by following vehicles in the
dark is automatically reduced by
dimming the exterior mirror on the
driver's side.

Instruments and controls87Instruments and
controlsControls ....................................... 88
Steering wheel adjustment ........88
Steering wheel controls .............88
Heated steering wheel ...............88
Horn ........................................... 89
Windscreen wiper and washer ..89
Rear window wiper and washer ...................................... 91
Outside temperature ..................92
Clock ......................................... 92
Power outlets ............................. 93
Inductive charging .....................94
Ashtrays .................................... 95
Warning lights, gauges and indi‐ cators ........................................... 96
Instrument cluster ......................96
Speedometer ........................... 101
Odometer ................................ 102
Trip odometer .......................... 102
Tachometer ............................. 103
Fuel gauge .............................. 103
Engine coolant temperature gauge ..................................... 104
Service display ........................ 104Control indicators ....................105
Turn lights ................................ 105
Seat belt reminder ...................105
Airbag and belt tensioners .......106
Airbag deactivation ..................106
Charging system .....................107
Malfunction indicator light ........107
Brake and clutch system .........107
Electric parking brake ..............107
Electric parking brake fault ......107
Antilock brake system (ABS) ...108
Gear shifting ............................ 108
Following distance ...................108
Lane keep assist .....................108
Electronic Stability Control off . 108
Electronic Stability Control and Traction Control system .........108
Traction Control system off .....109
Engine coolant temperature ....109
Preheating ............................... 109
AdBlue ..................................... 109
Tyre pressure monitoring system .................................... 109
Engine oil pressure ..................109
Low fuel ................................... 110
Immobiliser .............................. 110
Exterior light ............................ 110
High beam ............................... 110
High beam assist .....................110
LED headlights ........................ 110Front fog lights......................... 110
Rear fog light ........................... 111
Cruise control .......................... 111
Adaptive cruise control ............111
Vehicle detected ahead ...........111
Pedestrian detection ................111
Speed limiter ........................... 111
Traffic sign assistant ................111
Door open ................................ 111
Displays ..................................... 112
Driver Information Centre ........112
Info Display .............................. 118
Head-up display ......................120
Vehicle messages ......................123
Warning chimes .......................123
Vehicle personalisation ..............124
Telematics service .....................129
OnStar ..................................... 129

Instruments and controls101OverviewOTurn lights 3 105XSeat belt reminder 3 105vAirbag and belt tensioners
3 106VAirbag deactivation 3 106pCharging system 3 107ZMalfunction indicator light
3 107RBrake and clutch system 3 107mElectric parking brake 3 107jElectric parking brake fault
3 107uAntilock brake system (ABS)
3 108RGear shifting 3 108EFollowing distance 3 108aLane keep assist 3 108nElectronic Stability Control off
3 108bElectronic Stability Control and
Traction Control system 3 108kTraction Control system off
3 109WEngine coolant temperature
3 109!Preheating 3 109uAdBlue 3 109wTyre pressure monitoring
system 3 109IEngine oil pressure 3 109YLow fuel 3 110dImmobiliser 3 1108Exterior light 3 110CHigh beam 3 110fHigh beam assist 3 110fLED headlights 3 110>Front fog lights 3 110rRear fog light 3 111mCruise control 3 111CAdaptive cruise control 3 111AVehicle detected ahead 3 1117Pedestrian detected ahead
3 111LSpeed limiter 3 111LTraffic sign assistant 3 111hDoor open 3 111
Speedometer
Indicates vehicle speed.

126Instruments and controlsLeft or Right Hand Traffic :
Changes between lighting for left
or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Unlocked Door Anti Lock Out :
Activates or deactivates the door locking function while a door is
open.
Auto Door Lock : Activates or
deactivates the automatic door
locking function after switching
on ignition.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function. This feature
delays the actual locking of the
doors until all doors are closed.
● Remote Lock, Unlock, Start
Remote Unlock Light Feedback :
Activates or deactivates the
hazard warning flasher feedback whilst unlocking.
Remote Lock Feedback :
Changes what kind of feedback
is given when locking the vehicle.Remote Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Relock Remotely Unlocked
Doors : Activates or deactivates
the automatic relock function
after unlocking without opening
the vehicle.
Remote Window Operation :
Activates or deactivates the
operation of power windows with
electronic key.
Passive Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Passive Door Lock : Activates or
deactivates the passive locking
function. This feature locks the
vehicle automatically after
several seconds if all doors have been closed and an electronic
key has been removed from the
vehicle.
Remote Left in Vehicle Alert :
Activates or deactivates the
warning chime when theelectronic key remains in the
vehicle.
Personal settings Multimedia / Multimedia Navi Pro
Press ;, then select the % icon.
The Settings menu contains the
following submenus, which can be selected in the upper menu bar:
● System
● Apps
● Vehicle
● Personal

128Instruments and controlsRain Sense Wipers: Activates or
deactivates automatic wiping
with rain sensor.
Auto Wipe in Reverse Gear :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse gear is engaged.
Extended Hill Start Assist :
Toggles between hill start assist
and extended hold hill start assist
● Lighting
Vehicle Locator Lights : Activates
or deactivates the entry lighting.
Exit Lighting : Activates or
deactivates and changes the
duration of exit lighting.
Left or Right-Hand Traffic :
Changes between lighting for left or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the LED
headlights.
● Power Door Locks
Open Door Anti-Lock Out :
Activates or deactivates the doorlocking function while a door is
open.
Auto Door Lock : Activates or
deactivates the automatic door locking function after switching
on ignition.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function. This feature
delays the actual locking of the
doors until all doors are closed.
● Remote Lock, Unlock and Start
Remote Unlock Light Feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.
Remote Lock Feedback :
Changes what kind of feedback
is given when locking the vehicle.
Remote Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Relock Doors Unlocked
Remotely : Activates or
deactivates the automatic relock
function after unlocking without
opening the vehicle.Remote Window Operation :
Activates or deactivates the
operation of power windows with
electronic key.
Passive Door Unlock : Changes
the configuration to unlock only the driver's door or the whole
vehicle whilst unlocking.
Passive Door Lock : Activates or
deactivates the passive locking
function. This feature locks the
vehicle automatically after
several seconds if all doors have
been closed and an electronic
key has been removed from the
vehicle.
Remote Left in Vehicle Alert :
Activates or deactivates the
warning chime when the
electronic key remains in the
vehicle.
Personal
See infotainment manual.