22Keys, doors and windows
A precondition is that Personalization
by driver is activated in the personal
settings of the Graphic-Info-Display. This must be set for each key used.
On vehicles equipped with
Colour-Info-Display, the
personalisation is permanently
activated.
Vehicle personalisation 3 99.
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 again opens the door.
Note
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Note
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened.Unlocking
Radio remote control
Press button c.
Two settings are selectable: ■ To unlock only the driver's door, load compartment and fuel filler
flap; press button c once. To unlock
all doors; press button c twice
or
■ press button c once to unlock all
doors, load compartment and fuel
filler flap
The setting can be changed in the
menu Settings in the Info-Display.
Vehicle personalisation 3 99.
The setting can be saved for the key being used. Memorised settings
3 21.
Locking Close doors, load compartment and
fuel filler flap.
Press button e.
If the driver's door is not closed
properly, the central locking system will not work.
Keys, doors and windows23
Central locking buttonsLocks or unlocks all doors, the load
compartment and fuel filler flap from
inside the passenger compartment.
The central locking buttons are
located in the driver's door and
passenger's door.
Press the e button to lock.
Press the c button to unlock.
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 the other
doors, 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 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 26.
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.
Delayed locking This feature will delay the actual
locking of the doors and arming of the
anti-theft alarm system for
five seconds when the power door
lock switch or radio remote control is
used to lock the vehicle.
This can be changed in the vehicle
settings.
24Keys, doors and windows
Vehicle personalisation 3 99.
ON : When pressing the central
locking button, three chimes will
sound to signal delayed locking is in
use.
The doors will not lock until
five seconds after the last door is
closed. You can temporarily override
delayed locking by pressing the
central locking button or the locking
button on the radio remote control.
OFF : The doors will lock immediately
when pressing the power lock switch
or the button e on the radio remote
control.
Automatic locking
This security feature can be
configured to automatically lock all
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 all doors
after the ignition is switched off and
the ignition key is removed (manualtransmission) or the selector lever is
moved to position P (automatic
transmission).
Settings can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 99.
The settings can be saved for the key being used 3 21.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Using a key or suitable screwdriver,
turn the child lock in the rear door to
the horizontal position. The door
cannot be opened from the inside. For
deactivation turn the child lock to the
vertical position.
Instruments and controls81Fuel gauge
Displays the fuel level or gas level in
the tank depending on the operation
mode.
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.
86Instruments and controlsAntilock brake system
(ABS) u illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is
ready for operation when the control
indicator extinguishes.
If the control indicator does not
extinguish after a few seconds, or if it illuminates while driving, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 132.
Upshift
[ illuminates green or is shown as a
symbol in the Driver Information
Centre with Uplevel-Combi-Display
when upshifting is recommended for
fuel saving reasons.
ECO drive assistant 3 97.
Descent control system
u illuminates or flashes green.Descent control system 3 135
Illuminates The system is ready for operation.
Flashes The system is activated.
Power steering c illuminates yellow.
It illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
If the indicator does not extinguish
after a few seconds, or if it illuminates
while driving, there is a failure in the
power steering system.
Seek the assistance of a workshop.
Lane departure warning) illuminates green or yellow or
flashes yellow.
Illuminates green
System is switched on and ready to
operate.Illuminates yellow
Failure in the system. Seek the
assistance of a workshop.
Flashes yellow
System recognises an unintended
lane change.
Ultrasonic parking assist
r illuminates yellow.
Fault in system
or
Fault due to sensors that are dirty or covered by ice or snow
or
Interference due to external sources of ultrasound. Once the source of
interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 141.
88Instruments and controls
Tyre pressure monitor system
3 174.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine isrunningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.
9 Warning
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 3 155.
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 3 127.
Bleeding the diesel fuel system
3 160.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Have the cause of the fault remedied by a repairer.
Exterior light8 illuminates green.
The exterior lights are on 3 105.
High beam
C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 106 , or when
high beam is on with high beam
assist, adaptive forward lighting
3 108.
Adaptive forward lighting
f illuminates or flashes yellow.
Illuminates
The adaptive forward lighting system
needs a service.
90Instruments and controls
■ trip/fuel information
■ vehicle messages, displayed as code numbers 3 94.
In the Uplevel-Combi-Display, menu
pages can be selected by pushing the
MENU button, Menu symbols are
indicated in the top line of the display:
■ X Vehicle Information Menu
■ W Trip/Fuel Information Menu
■ s ECO Information Menu
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 99.
Memorised settings 3 21.
Selecting menus and functions
The menus and functions can be
selected via the buttons on the turn
signal lever.
Press the MENU button to switch
between the menus or to return from
a submenu to the next higher menu
level.
Turn the adjuster wheel to highlight a
menu option or to set a numeric value.
Press the SET/CLR button to select a
function or to confirm a message.
Instruments and controls91
Vehicle Information MenuPress the MENU button to select the
Vehicle Information Menu , or on
Uplevel-Combi-Display select X.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Follow the instructions given in the
submenus.
Possible submenus can be,
depending on the version:
■ Unit : displayed units can be
changed
■ Tyre Pressure : checks tyre
pressure of all wheels during
driving 3 174
■ Remaining Oil Life : indicates when
to change the engine oil and filter
3 81
■ Traffic Sign Assistant : displays
detected traffic signs for the current route section 3 144
■ Speed Warning : if exceeding the
preset speed, a warning chime will
be activatedSelection and indication can be
different between Midlevel- and
Uplevel-Combi-Display.
Trip/Fuel Information Menu
Press the MENU button to select the
Trip/Fuel Information Menu , or select
W on Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
■ Trip odometer 1
■ Trip odometer 2
■ Digital speed
Trip odometer 2 and digital speed are
only available on vehicles with
Uplevel-Combi-Display.
On vehicles with trip computer more
submenus are available.
Selection and indication can be
different between Midlevel- and
Uplevel-Combi-Display.
Trip/Fuel Information Menu, Trip
Computer 3 97.ECO Information Menu
Press the MENU button to select
s in the top line of the Uplevel-
Combi-Display.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Submenus are:
■ Shift indication : Current gear is
indicated inside an arrow. The
graphic above recommends
upshifting for fuel saving reasons.
Eco index display : The current fuel
consumption is indicated on a segment display. For economical