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.
Radio remote control
Used to operate:
● central locking system
● anti-theft locking system
● power windows
The radio remote control has a range of approx. 20 m. It can be restrictedby 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.
Basic settings Some settings can be changed in the
Info Display.
Vehicle personalisation 3 90.
Keys, doors and windows21Radio 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 ignition is switched off,
some functions of the following
settings may be automatically
memorised by the remote control unit:
● 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 3 116.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 90.
Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
3 minutes after unlocking with the
remote control, the doors are
relocked automatically if no door has
been opened.
Keys, doors and windows29Initialising the power windowsIf 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 87.
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.
Roof
Sunroof
Foldable power 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.
Operable with ignition on (position 2)
3 116.
The foldable power sunroof can be
opened and closed while driving up to a speed of 87 mph.
Retained power off 3 117.
60Instruments and controlsInstruments and
controlsControls ....................................... 61
Steering wheel adjustment ........61
Steering wheel controls .............61
Heated steering wheel ...............61
Horn ........................................... 62
Windscreen wiper and washer ..62
Rear window wiper and washer ...................................... 63
Outside temperature ..................64
Clock ......................................... 65
Power outlets ............................. 66
Cigarette lighter ......................... 67
Ashtrays .................................... 67
Warning lights, gauges and indi‐ cators ........................................... 68
Instrument cluster ......................68
Speedometer ............................. 68
Odometer .................................. 68
Trip odometer ............................ 68
Tachometer ............................... 68
Fuel gauge ................................ 69
Fuel selector .............................. 69
Engine coolant temperature gauge ....................................... 70Service display.......................... 71
Control indicators ......................72
Turn lights .................................. 74
Seat belt reminder .....................74
Airbag and belt tensioners .........75
Airbag deactivation ....................75
Charging system .......................75
Malfunction indicator light ..........76
Service vehicle soon .................76
Brake and clutch system ...........76
Operate pedal ............................ 76
Antilock brake system (ABS) .....77
Gear shifting .............................. 77
Power steering .......................... 77
Parking assist ............................ 77
Electronic Stability Control off ...77
Electronic Stability Control and Traction Control system ...........77
Exhaust filter .............................. 78
Tyre pressure monitoring system ...................................... 78
Engine oil pressure ....................78
Low fuel ..................................... 79
Immobiliser ................................ 79
Exterior light .............................. 79
High beam ................................. 79
Rear fog light ............................. 79
Cruise control ............................ 79
Door open .................................. 79Displays....................................... 80
Driver Information Centre ..........80
Info Display ................................ 85
Vehicle messages ........................87
Warning chimes .........................89
Battery voltage .......................... 89
Vehicle personalisation ................90
Telematics service .......................93
OnStar ....................................... 93
Instruments and controls67With 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 3 118.Cigarette lighter
The cigarette lighter is located in the
centre console.
Press in cigarette lighter. It switches off automatically once the element is
glowing. Pull out lighter.
Ashtrays
Caution
To be used only for ash and not for combustible rubbish.
The portable ashtray can be placed inthe cupholders.
76Instruments 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 87.
Brake and clutch system R illuminates red.
The brake and clutch fluid level is too low, when manual parking brake is
not applied 3 153.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 124.
Operate pedal - illuminates or flashes yellow.
Illuminates
Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 118.
Flashes
Clutch pedal must be depressed to
start the engine with the key 3 16,
3 117.
On some versions, the Driver
Information Centre indicates a
message to operate the clutch pedal
3 87.
88Instruments and controlsNo.Vehicle message28Right rear turn light failure35Replace battery in radio remote
control48Clean side blind spot alert
system53Tighten fuel filler cap55Exhaust filter is full 3 12156Tyre 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 conditioningNo.Vehicle message76Service side blind spot alert
system79Top up engine oil82Change engine oil soon84Engine power reduced89Service vehicle soon90Service brake assist95Service airbag128Bonnet open134Parking assist fault, clean
bumper136Service parking assist151Press clutch to start174Low vehicle battery258Parking assist offVehicle messages on the Uplevel
Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Vehicle messages on the
Colour Info Display
Some important messages appear
additionally in the
Colour Info Display. Some messages
only pop-up for a few seconds.
Instruments and controls89Warning chimesIf several warnings appear at the
same time, only one warning chime will sound.
When starting the engine or whilst driving
The warning chime regarding
unfastened 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 a programmed speed is exceeded.
● If a warning message appears in the Driver Information Centre orInfo Display.
● If the parking assist detects an object.
● If the exhaust 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.
Battery voltage Midlevel Display
When the vehicle battery voltage is
running low, a warning code 174 will
appear in the Driver Information
Centre.
Uplevel Display
When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
1. Switch off immediately any electrical consumers which are
not required for a safe drive, e.g.
seat heating, heated rear window
or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.The warning message or warning
code will disappear after the engine has been started twice consecutively
without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.