20Keys, doors and windowsLock cylinders
Designed to free-wheel if they are
forcefully rotated without the correct
key or if the correct key is not fully
inserted. To reset, turn cylinder with
the correct key until its slot is vertical, remove key then re-insert it. If the
cylinder still free-wheels, turn the key
through 180° and repeat operation.
Key with foldaway key section
Press button to extend. To fold the
key, first press the button.
Car Pass
The Car Pass contains security-
related vehicle data and should
therefore be kept in a safe place.
When the vehicle is taken to a
workshop, this vehicle data is needed
in order to perform certain operations.
Radio remote control
Used to operate: ● central locking system
● anti-theft locking system
● anti-theft alarm system
● power windows
The radio remote control has a range of approx. 20 m. It can be restricted
by external influences. The hazard
warning flashers confirm operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot be operated with the radio remote
control, it may be due to the following:
● The range is exceeded.
● The battery voltage is too low.
● Frequent, repeated operation of the radio remote control while not
in range, which will require re-
synchronisation.
● 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.
Unlocking 3 21.
Keys, doors and windows21Basic settingsSome settings can be changed in theInfo Display.
Vehicle personalisation 3 101.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Key with foldaway key section
Extend the key and open the unit.
Replace the battery (battery type CR 2032), paying attention to the
installation position. Close the unit
and synchronise.
Key with fixed key section
Have the battery replaced by a
workshop.
Memorised settings
Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
● lighting
● Infotainment system presets
● central locking system
● comfort settings
● climate control
The saved settings are automatically
used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 129.
A precondition is that Personalization
by driver is activated in the personal
settings of the Info Display. This must
be set for each key used.
Vehicle personalisation 3 101.
Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door.
26Keys, doors and windowsActivation● Self-activated 30 seconds after locking the vehicle by pressing e
once.
● Directly by pressing e twice
within 5 seconds.
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
Status after system is armed:
LED flashes
slowly:system is armed
Seek the assistance of a workshop in the event of faults.
Deactivation Unlocking the vehicle by pressing c
deactivates anti-theft alarm system.
The system is not deactivated by
unlocking the driver's door with the
key 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 silenced by
pressing any button on the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can only
be deactivated by pressing c on the
radio remote control or by 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 when the vehicle is unlocked
with the radio remote control.
Vehicle messages 3 98.
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 system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
30Keys, doors and windows
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 or a warning code
is displayed in the Driver Information
Centre.
Vehicle messages 3 98.
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.
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 ...................................... 74
Outside temperature ..................75
Clock ......................................... 76
Power outlets ............................. 77
Inductive charging .....................78
Cigarette lighter ......................... 79
Ashtrays .................................... 79
Warning lights, gauges and indi‐ cators ........................................... 80
Instrument cluster ......................80
Speedometer ............................. 80
Odometer .................................. 80
Trip odometer ............................ 80
Tachometer ............................... 80
Fuel gauge ................................ 81
Fuel selector .............................. 81Engine coolant temperature
gauge ....................................... 82
Service display .......................... 83
Control indicators ......................84
Turn lights .................................. 86
Seat belt reminder .....................86
Airbag and belt tensioners .........87
Airbag deactivation ....................87
Charging system .......................87
Malfunction indicator light ..........88
Service vehicle soon .................88
Brake and clutch system ...........88
Operate pedal ............................ 88
Antilock brake system (ABS) .....89
Gear shifting .............................. 89
Power steering .......................... 89
Parking assist ............................ 89
Electronic Stability Control off ...89
Electronic Stability Control and Traction Control system ...........89
Exhaust filter .............................. 90
Tyre pressure monitoring system ...................................... 90
Engine oil pressure ....................90
Low fuel ..................................... 91
Immobiliser ................................ 91
Exterior light .............................. 91
High beam ................................. 91
Rear fog light ............................. 91Cruise control............................ 91
Door open .................................. 91
Displays ....................................... 92
Driver Information Centre ..........92
Info Display ................................ 96
Vehicle messages ........................98
Warning chimes .......................100
Battery voltage ........................ 101
Vehicle personalisation ..............101
Telematics service .....................105
OnStar ..................................... 105
78Instruments and controlsWith ignition off, the power outlet is
deactivated. Additionally, the power
outlet is deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Do not connect any current-delivering
accessories, e.g. electrical charging devices or batteries.
Do not damage the outlet by using
unsuitable plugs.
Stop-start system 3 131.
Inductive charging9 Warning
Inductive charging can affect the
operation of implanted
pacemakers or other medical
devices. If applicable, seek
medical advice before using the
inductive charging device.
9 Warning
Remove any metal objects from
the charging device before
charging a mobile device, as these objects could become very hot.
To charge a device, the ignition must
be switched on.
LED status on the charging device
(see arrow):
● Illuminates green: - mobile device with inductivecharging functionality was
recognised.
● Illuminates yellow: - metall objects have been
detected in the charging area.
Remove objects to allow
charging.
- mobile device was not placed
properly.
PMA or Qi compatible mobile devices can be charged inductively.
On some mobile devices, a back
cover with an integrated coil or a
jacket may be required to use
inductive charging.
The mobile device must be smaller
than 8 cm in width and 15 cm in length
to fit into the charging device.
Protective cover for the mobile device could have impact on the inductive
charging.
88Instruments and controlsIlluminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective. Seek the assistance of a
workshop.
Malfunction indicator light Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fault in the emission control system. The permitted emission limits may be
exceeded. Seek the assistance of a
workshop immediately.Flashes when the engine is
running
Fault that could lead to catalytic converter damage. Ease up on the
accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Service vehicle soon g illuminates yellow.
Additionally, a warning message is
displayed in the Driver Information Centre.
The vehicle needs a service.
Seek the assistance of a workshop. Vehicle messages 3 98.
Brake and clutch system R illuminates red.
The brake and clutch fluid level is too low, when manual parking brake is
not applied 3 170.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 141.
Operate pedal - illuminates or flashes yellow.
Illuminates
Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 131.
Flashes
Clutch pedal must be depressed to
start the engine with the key 3 16,
3 130.
On some versions, the Driver
Information Centre indicates a
message to operate the clutch pedal
3 98.
Instruments and controls99Vehicle messages on the
Midlevel Display
The vehicle messages are displayed
as code numbers.
No.Vehicle message1Change engine oil3Engine coolant level low4Air conditioning off5Steering wheel is locked7Turn steering wheel, switch
ignition off then onNo.Vehicle message9Turn steering wheel, start
engine again12Vehicle overloaded13Compressor overheated15Centre high-mounted brake
light failure16Brake light failure17Headlight levelling malfunction18Left low beam failure19Rear fog light failure20Right low beam failure21Left sidelight failure22Right sidelight failure23Reversing light failure24Number plate light failure25Left front turn light failure26Left rear turn light failure27Right front turn light failureNo.Vehicle message28Right rear turn light failure35Replace battery in radio remote
control48Clean side blind spot alert
system53Tighten fuel filler cap55Exhaust filter is full 3 13456Tyre 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 conditioning