Page 24 of 255

22Keys, doors and windows
Key with foldaway key section
Extend the key and open the unit
sideways. Replace the battery
(battery type CR 2032), paying
attention to the installation position.
Close the unit and synchronise.
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control is
synchronised when the ignition is
switched on.
Memorised settings
Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
■ lighting
■ presets for Infotainment system
■ central locking system
■ Sport mode settings
■ comfort settings
The saved settings are automatically
used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 133.
Graphic-Info-Display
A precondition is that Personalization
by driver is activated in the personal
settings. This must be set for each
key used.
Colour-Info-Display
The personalisation is permanently
activated.
Vehicle personalisation 3 104.Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling the handle once more opens the door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
A short time after unlocking with the
remote control, the doors are
relocked automatically if no door has been opened.
Page 25 of 255
Keys, doors and windows23
Unlocking
Press c.
Two settings are selectable: ■ Press c once briefly to unlock both
doors, load compartment and fuel
filler flap.
Press c again and hold to open the
windows and the soft top 3 32.
■ Press c once briefly to unlock only
the driver's door, load compartment
and fuel filler flap. To unlock the
entire vehicle, press c twice.
The setting can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 104.
The setting can be saved for the key being used. Memorised settings
3 22.
Unlocking and opening the boot lid
3 25.
Locking Close doors, load compartment and
fuel filler flap.
Press e briefly.
If the driver's door is not closed
properly, the central locking system will not work.
Hold e pressed again to close the soft
top and the windows 3 32.
Central locking buttons Locks or unlocks both doors, the load compartment and fuel filler flap from
the passenger compartment.
Press e to lock.
Press c to unlock.
Page 26 of 255

24Keys, doors and windows
Fault in radio remote control
system
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
passenger's door, load compartment
and fuel filler flap.
By switching on the ignition, the anti- theft locking system is deactivated.
Locking
Manually lock the driver's door by
turning the key in the lock.
Fault in central locking system
Unlocking
Manually unlock the driver's door by
turning the key in the lock. The
passenger's door 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 27.
Locking
Push inside locking knob of
passenger'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.
Manual closing of the soft top
3 34.
Automatic locking This security feature can be
configured to automatically lock the
doors, load compartment and fuel
filler flap as soon as a certain speed
is exceeded.Additionally, it is configurable to
unlock the driver's door or both doors
after the ignition is switched off and
the ignition key is removed (manual
transmission) or the selector lever is
moved to position P (automatic
transmission).
Settings can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 104.
The settings can be saved for the key being used 3 22.
Page 87 of 255
Instruments and controls85Odometer
The bottom line displays the recordeddistance in miles.
Trip odometer
W displays the recorded distance
since the last reset.
Two trip odometer are selectable for
different trips. Select between page
W 1 and page W2 by turning the
adjuster wheel on turn signal lever.
Both trip odometer can be reset
separately when ignition is on: select
respective page, hold the reset knob
depressed for a few seconds or press
the SET/CLR button on the turn signal
lever.
Trip odometer counts up to a distance of 2000 miles and then restarts at 0.
Driver Information Centre 3 95.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible for
fuel saving reasons.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Page 88 of 255
86Instruments and controlsFuel gauge
Displays the fuel level in the tank.
Control indicator i illuminates if the
level in the tank is low. Refuel
immediately if it flashes.
Never run the tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity.
Engine coolant
temperature gauge
Displays the coolant temperature.
left area=engine operating
temperature not
yet reachedcentral area=normal operating
temperatureright area=temperature too
highCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system lets you
know when to change the engine oil
and filter. Based on driving
conditions, the interval at which an
engine oil and filter change will be
indicated can vary considerably.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Page 94 of 255

92Instruments and controls
Centre when upshifting is
recommended for fuel saving
reasons.
EcoFlex drive assistant 3 95.
Power steering c illuminates yellow.
Illuminates with power steering
reduced Power steering is reduced due to
overheating of the system. Control
indicator extinguishes when the
system has cooled down.
Stop-start system 3 135.
Illuminates with power steering
disabled Failure in the power steering system.
Consult a workshop.
Lane departure warning ) illuminates green or flashes yellow.
Illuminates green
System is switched on and ready to
operate.Flashes yellow
System recognises an unintended
lane change.
Electronic Stability Control
off n illuminates yellow.
The system is deactivated.
Electronic Stability Control
and Traction Control
system b illuminates or flashes yellow.
Flashes The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Illuminates A fault in the system is present. A
warning message appears in the
Driver Information Centre (DIC).
Continued driving is possible. The
system is not operational. Drivingstability, however, may deteriorate
depending on road surface
conditions.
Have the cause of the fault remedied
by a workshop.
Electronic Stability Control (ESC)
3 150, Traction Control system (TC)
3 149.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating
! illuminates yellow.
Preheating is activated. Only
activates when outside temperature
is low.
Diesel particle filter
% illuminates or flashes yellow.
The diesel particle filter requires
cleaning.
Page 96 of 255

94Instruments and controls9Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking the
assistance of a workshop 3 186.
Low fuel
i illuminates or flashes yellow.
Illuminates Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 139.
Bleeding the diesel fuel system
3 191.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light8 illuminates green.
The exterior lights are on 3 109.
High beam C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 110 , or when
high beam is on with high beam assist
or intelligent light range 3 113.
High beam assist l illuminates green.
The high beam assist or intelligent
light range is activated 3 111,
3 113.
Adaptive forward lighting
f illuminates or flashes yellow.Illuminates
Fault in system.
Seek the assistance of a workshop.
Flashes System switched to symmetrical low
beam.
Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder that the
system has been activated 3 112.
Automatic light control 3 110.
Fog light
> illuminates green.
The front fog lights are on 3 117.
Rear fog light
r illuminates yellow.
The rear fog light is on 3 117.
Cruise control m illuminates white or green.
Page 97 of 255

Instruments and controls95
Illuminates whiteThe system is on.
Illuminates green
Cruise control is active.
Cruise control 3 153.
Vehicle detected ahead A illuminates green.
A vehicle ahead is detected in the
same lane.
Forward collision alert 3 156.
Door open h is indicated as symbol in the Driver
Information Centre when a door or the boot lid is open.Information displays
Driver Information Centre The Driver Information Centre (DIC)
is located in the instrument cluster
between speedometer and
tachometer.
The following main menus can be
indicated in the display and selected
by pushing the MENU button on the
turn signal lever. Menu symbols are
indicated in the top line of the display:■ Vehicle Information Menu X
■ Trip/Fuel Information Menu W
■ ECO Information Menu s
Some of the displayed functions differ
when the vehicle is being driven or at a standstill. Some functions are only
available when the vehicle is being
driven.
Vehicle personalisation 3 104.
Memorised settings 3 22.
Selecting menus and functions
The menus and functions can be selected via the buttons on the turn
signal lever.