Page 83 of 217
Instruments and controls81
Control indicators on the
instrument panel
k illuminates red.
Front passenger seat belt reminder
3 41.
* illuminates yellow.
The front passenger airbag is
deactivated 3 48.
9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
Page 85 of 217

Instruments and controls83Turn signalO illuminates or flashes green.
The relevant control indicator flashes
when the turn signal is switched on
3 108.
Rapid flashing: failure of a turn signal
bulb or the associated fuse or failure
of a turn signal light on trailer.
Both control indicators flash when the
hazard warning flashers are active
3 107.
Bulb replacement 3 159, Fuses
3 165.
Turn signals 3 108.
Seat belt reminder Seat belt reminder for frontseats X for driver's seat illuminates or
flashes red.
k for front passenger's seat
illuminates or flashes red, when the
seat is occupied.When the engine is running, if seat
belt is not engaged, the control
indicator will flash for 100 seconds
then illuminate until seat belt is
fastened.
If vehicle speed exceeds 14 mph, the
control indicator will flash for
100 seconds along with a warning
chime and remains illuminated until seat belt is fastened.
Fastening the seat belt 3 40.
Front passenger seat belt reminder k
3 41.
Airbag and belt tensioners
v illuminates red.
When the ignition is switched on, v
flashes briefly. If it does not flash, stays lit or flashes during driving,
there is a fault in the airbag system.
Seek the assistance of a workshop.
The airbags and belt pretensioners
may fail to trigger in the event of an
accident.
Deployment of the belt pretensioners or airbags is indicated by continuous
illumination of v.9
Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners, airbag system
3 40, 3 43.
Charging system
p illuminates red.
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 running
Stop vehicle and switch off engine.
Battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective.
Page 86 of 217

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.
Page 109 of 217

Lighting107
Vehicles without automatic level
control system
Turn thumb wheel ? to required
position:0=front seats occupied1=all seats occupied2=all seats occupied and load
compartment laden3=driver's seat occupied and load
compartment laden
Vehicles with automatic level control
system
Turn thumb wheel to required
position:
0=front seats occupied1=all seats occupied1=all seats occupied and load
compartment laden2=driver's seat occupied and load
compartment laden
Automatic level control 3 139.
Automatic headlight range
adjustment On vehicles with Xenon headlights,
the headlight range is adjusted
automatically based on vehicle load.
If control indicator q illuminates in the
instrument cluster while driving, a
fault has occurred. Have the cause of
the fault remedied immediately by a
workshop.
Control indicator q 3 89.
Headlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road on the passenger side.
However, when driving in countries
where traffic drives on the opposite
side of the road, have the headlights adjusted to prevent dazzling of
oncoming traffic. Seek the assistance
of a workshop.
Daytime running lights
Daytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
when ignition is on.
Automatic light control 3 105.Hazard warning flashers
Operated with the ¨ button.
In the event of an accident with airbag
deployment the hazard warning
flashers are activated automatically.
Page 112 of 217

110LightingInterior lightingInstrument panel
illumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
■ Instrument panel illumination
■ Info-Display
■ Illuminated switches and operation elements.
Turn thumb wheel k to the right or left
until the desired brightness is
obtained.
If driver's door is opened or q is
pressed on the remote control,
instrument panel illuminates
automatically for 30 seconds until
ignition switch is turned to position ACC .
Display mode 3 93.
Interior lights
During entry and exit of the vehicle,
the front and rear courtesy lights
automatically switch on and then off
after a delay.
Notice
In the event of an accident with airbag deployment the courtesy
lights are turned on automatically.Front courtesy light
Front and rear reading lights and the
load compartment lights function as
courtesy lights and illuminate when
the doors or the tailgate are opened.
If the doors or tailgate remain open, the lights stay illuminated for
10 minutes. Once all doors and the tailgate are closed, the courtesy lights dim gradually after 10 seconds.
By pressing button d in the roof
lining, both the front and rear reading lights illuminate. Press again to turn
off.
Page 116 of 217
114Climate controlClimate controlClimate control systems ............. 114
Air vents ..................................... 119
Maintenance .............................. 120Climate control systems
Heating and ventilation
system
Controls for: ■ Temperature
■ Air distribution
■ Fan speed
■ Demisting and defrosting
Heated rear window Ü 3 31.
Heated seats ß 3 38.
Temperaturered=warmblue=cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution
M=to head area via adjustable air
ventsL=to head area via adjustable air vents and to foot wellsK=to foot wellsJ=to windscreen, front door
windows and foot wellsl=to windscreen, front door
windows and head area via
adjustable air vents
All combinations are possible.
Fan speed
Adjust the air flow by switching the fan
to the desired speed.
x=off1=minimum speed4=maximum speed
Page 117 of 217

Climate control115
Demisting and defrosting■ Set the air distribution switch to l
or J
■ Set temperature control to warmest
level
■ Set fan to highest level
■ Close centre air vents
■ Open side air vents and direct them
towards the door windows
Heated rear window Ü 3 31.
Air conditioning system In addition to the heating and
ventilation system, the air
conditioning system has controls for:n=cooling4=air recirculationÜ=demisting and defrosting
Heated seats ß 3 38.
Cooling n
Press button
n to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press button n again to switch off
cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above
freezing point. Therefore
condensation may form and drip from under the vehicle.
If no cooling or drying is required,
switch the cooling system off to save
fuel. Activated cooling might inhibit
autostops.
Air recirculation system 4
Press button 4 to activate air
recirculation mode. Activation is
indicated by the LED in the button.
Press button 4 again to deactivate
recirculation mode.9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen might mist
up from outside, when cold air is
Page 118 of 217

116Climate control
directed to it. If windscreen mists up
from outside, activate windscreen
wiper and deactivate l.
Maximum cooling
Briefly open the windows and sunroof
so that hot air can disperse quickly.
■ Press button n to activate air
conditioning.
■ Press button 4 to activate air
recirculation.
■ Set air distribution switch to M.
■ Set temperature control to coldest level.
■ Set fan to highest level.
■ Open all vents.Demisting and defrosting
■ Set the air distribution switch to l
or J.
■ Set temperature control to warmest
level.
■ Set fan to highest level.
■ Close centre air vents.
■ Open side air vents and direct them
towards the door windows.
■ Switch on heated rear window Ü
3 31.
Air conditioning n and air
recirculation 4 are switched on
automatically to improve defrosting
efficiency when position l or J is
selected.
Electronic climate control system The dual zone climate control allows
different climatisation temperatures
for driver and front passenger side.
Controls for:
■ Temperature on driver side
■ Air distribution