20Keys, doors and windows
Key with fixed key sectionOpen the unit with a small screwdriver in the notch on the cover. Replace the
battery (battery type CR2032), paying
attention to the installation position.
Close the unit.
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.Unlocking
Press button q.
Notice
If no door is opened within
5 minutes after the vehicle has been unlocked, the vehicle is relocked
automatically (and the anti-theft
alarm is reactivated).
When button q is pressed, the
instrument panel illuminates for
approx. 30 seconds or until ignition
switch is turned to position ACC.
Locking
Close doors, load compartment, fuel
filler flap, bonnet, windows and
sunroof.
Press button p.
The central locking system can be
activated with the windows open.
Keys, doors and windows21
Notice
For safety reasons, the vehicle
cannot be locked or unlocked via the remote control (and the anti-theft
systems will not be activated) if the
key is in the ignition switch.
If the driver's door is not closed
properly, the central locking system
will not work.
Unlocking the tailgate
Press button q.
The tailgate is unlocked together with the doors.
With the engine running, the tailgate
will only unlock when the electrical
parking brake is applied or automatic
transmission is in position P.
Central locking buttons Locks or unlocks all doors, the load
compartment and fuel filler flap from
the passenger compartment.
Press left part of switch m to lock.
Press right part of switch m to unlock.
When the key is in the ignition switch,
locking is only possible if all doors are closed.
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 left part of
central locking switch m to unlock all
doors, load compartment and fuel
filler flap.
Locking
Manually lock the driver's door by
turning the key in the lock.
Child locks
24Keys, doors and windows
Activating
Press button p on the radio remote
control twice within 3 seconds.
Alternatively, turn key in driver's door
towards rear of vehicle again within
3 seconds after locking.
Anti-theft alarm system
The anti-theft alarm system is
combined with the central locking
system.
It monitors:
■ Doors, tailgate, bonnet
■ Passenger compartment including adjoining load compartment
■ Vehicle inclination, e.g. if it is raised
■ Siren power supply
■ Ignition
Activation
Ensure the doors, tailgate, fuel filler
flap, bonnet, windows and sunroof
are closed.
Press button p on radio remote
control or manually lock the driver's
door.
The system is activated: ■ Automatically, 30 seconds after locking the vehicle (initialisation of
the system)
■ Directly by pressing p on the radio
remote control once more after
locking
If the hazard warning lights do not flash once upon activation or the
control indicator flashes rapidly, this
may indicate that a door, the tailgate
or the bonnet is not fully closed.
Notice
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.
80Instruments and controlsFuel gauge
Displays the fuel level in the tank.
Control indicator Y illuminates if the
level in the tank is low. Refuel
immediately 3 144.
Never run the tank dry. Erratic fuel
supply can cause catalytic converter
to overheat 3 128.
Diesel engines: if the tank has been
run dry, bleed the fuel system 3 159.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity
3 206.
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.
Change engine oil 3 88.
Transmission display
Displays the mode or selected gear
with automatic transmission.
P=park positionR=reverse gearN=neutralD=drive position (automatic
mode)1-6=selected gear in manual mode
Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control
indicators may vary.
When the ignition is switched on,
most control indicators will illuminate
briefly as a functionality test.
The control indicator colours mean:
red=danger, important
reminderyellow=warning, information, faultgreen=confirmation of activationblue=confirmation of activationwhite=confirmation of activation
84Instruments and controls
Interrupt your journey immediately.
Remove key and check drive belt
condition and tensioning before
seeking 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. If it does not
illuminate, seek the assistance of a
workshop.
Can illuminate briefly when driving;
this is normal and does not indicate a system fault.
Illuminates when the engine is
running
Fault in the emission control system. The permitted emission limits may be exceeded. Fuel economy and vehicle
driveability may be impaired. Seek
the assistance of a workshop
immediately.Control indicator Z also illuminates if
there is a fault in the diesel particle
filter 3 127 or with the automatic
transmission 3 131. Seek the
assistance of a workshop as soon as
possible.
Ensure the fuel filler cap is screwed in completely 3 144.
Flashes when the engine is
running
Fault that could lead to catalytic
converter damage 3 128 . Ease up on
the accelerator until the flashing
stops. Seek the assistance of a
workshop immediately.
Service vehicle soon
g illuminates yellow.
Illuminates when the engine is
running to indicate a fault in the
engine or transmission electronics. The electronics switch to an
emergency running programme, fuel
consumption may be increased and
vehicle handling may be impaired.In some cases, the fault can be
eliminated by switching the engine off and back on again. If g illuminates
again after restarting the engine, the
vehicle may need a service.
Have the cause of the fault eliminated
by a workshop.
Brake system R illuminates red.
Illuminates when the ignition is switched on and extinguishes shortly
after the engine starts. If it does not
illuminate, stop and seek the
assistance of a workshop.
If it stays lit while the engine is
running, the brakes do not operate as
normal, or leaks are found in the
brake system, do not attempt to drive
the vehicle. Have the vehicle towed to a workshop for inspection and repair.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Instruments and controls85
Illuminates when engine is running if
fluid level for brake hydraulics is too
low 3 155.
Brake system 3 135.
Electrical parking brake
m illuminates or flashes red.
When the engine is started, m
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates Electrical parking brake is applied3 136.
Flashes Electrical parking brake is not fully
applied or released.
Switch on ignition, depress brake
pedal and attempt to reset the system
by first releasing and then re-applying the electrical parking brake.
If m remains flashing, do not drive
and seek the assistance of a
workshop.Electrical parking brake
fault
j illuminates yellow.
When the ignition is switched on, j
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates
Electrical parking brake is operating
with degraded performance 3 136.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Antilock brake system
(ABS) u illuminates yellow.
The system is ready for operation
when the control indicator
extinguishes.
If the control indicator does not
illuminate when the ignition is
switched on, stays lit or illuminates
during driving, there is a fault in the
ABS. The brake system remains
operational but without ABS
regulation.
If control indicator u illuminates
during driving along with brake
system control indicator R, there is a
serious fault in the brake system.
Have the system checked
immediately by a workshop.
Antilock brake system 3 135.
Upshift [ illuminates green.
Upshifting is recommended for fuel
saving purposes.
All wheel drive B illuminates or flashes yellow.
Illuminates briefly when the ignition is
switched on. If it does not illuminate,
seek the assistance of a workshop.
88Instruments and controls
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates when the engine is
runningCaution
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 3 152.
Low engine oil level
S illuminates yellow.
When the ignition is switched on, S
illuminates briefly. If it does not
illuminate, seek the assistance of a workshop.
Illuminates during driving Oil level is low: top up oil to specified
level 3 152.
Change engine oil
C illuminates yellow.
When the engine is started, C
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
The engine oil life monitor lets you know when to change the oil. Control
indicator C illuminates to indicate
that engine oil life has been
diminished and the oil needs
changing.
Based on driving conditions, the
interval at which an oil change will be indicated can vary considerably.
Change oil within 600 miles. Engine
power may be decreased.
Once the engine oil has been
changed 3 152, the engine oil life
monitor needs to be reset. Seek the
assistance of a workshop.
Fuel economy mode s illuminates green.
Illuminates when fuel ecomony mode
is switched on 3 130.
Instruments and controls89Low fuelY illuminates yellow.
When the engine is started, Y
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates during driving when fuel
level in tank is too low. Refuel
immediately 3 144.
Never run the tank dry. Erratic fuel
supply can cause catalytic converter
to overheat 3 128.
Diesel engines: if the tank has been
run dry, bleed the fuel system 3 159.
Fuel tank capacity 3 206.
Catalytic converter 3 128.
Drain fuel filter U illuminates yellow.
Illuminates when water level in diesel fuel filter exceeds a specified level.
Residual water in the diesel fuel filter
must be drained 3 158. Seek the
assistance of a workshop as soon as
possible.Immobiliser
d illuminates red.
When the engine is started, d
illuminates briefly. If it does not
illuminate, seek the assistance of a workshop.
Illuminates to indicate a fault in the
immobiliser system. The engine
cannot be started.
Electronic immobiliser 3 26.
Reduced engine power
# illuminates yellow.
Illuminates in conjunction with control
indicator g, the vehicle needs a
service. Move out of the flow of traffic as quickly as possible without
impeding other vehicles, stop the
engine and restart after 10 seconds.
The engine power is limited. Consult
a workshop.
Apply footbrake - illuminates yellow.Brake pedal needs to be depressed
to release the electrical parking brake
3 136.
Clutch pedal needs to be depressed
to restart the engine.
Stop-start system 3 124.
High beam C illuminates blue.
Illuminated when high beam is on and during headlight flash 3 106.
Automatic headlight
levelling system
q illuminates yellow
Illuminates during driving to indicate a fault that requires immediate
attention. Seek the assistance of a
workshop as soon as possible.
Automatic headlight range
adjustment 3 106.
Fog light > illuminates green.