Instruments and Indicator/Warning Lights27
Using the systemSafetyDriving TipsGeneral MaintenanceBreakdown assistanceTechnical Data
Warning lights
Overview
The warning lights indicate certain functions or faults.
Fig. 16 Instrument cluster with warning lights
Turn signal lights (to the left)⇒page 28
Turn signal lights (to the right)⇒page 28
Main beam⇒page 29
Airbag system⇒page 29
Turn signal system for vehicles towing a
trailer⇒page 29
Low beam⇒page 29
Fog lights⇒page 30
Rear fog light⇒page 30
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Instruments and Indicator/Warning Lights29
Using the systemSafetyDriving TipsGeneral MaintenanceBreakdown assistanceTechnical Data
Switching off the hazard warning light system is switched on will cause all
of the turn signal lights as well as both indicator lights to flash.
Further information about the turn signal system
⇒page 59.
Main beam
The indicator light comes on when the main beam is selected or also
when the headlight flasher is operated.
Further information about the main beam ⇒page 59.
Airbag system
Monitoring the airbag system
The warning light
comes on for a few seconds when the ignition is
switched on.
There is a fault in the system if the warning light does not go out or comes
on or flashes while driving ⇒. This also applies if the warning light
does not come on when the ignition is switched on.
The following text will be displayed in the information display*:
AIRBAG FAULT
The functionality of the airbag system is also monitored electronically,
when one airbag has been switched off
Front, side or head front passenger airbags which have been
switched off using the vehicle system tester:
•The warning light lights up for 3 seconds after switching on the igni-
tion and then flashes for 12 seconds afterwards in 2 second intervals. Front, side or head passenger airbags which have been switched off
using the switch (for switching off airbags)* in the storage compart-
ment on the front passenger side:
•The warning light comes on for 3 seconds after the ignition has
been switched on.
•Switching off airbags is indicated in the middle of the dash panel by the
lighting up of the indicator light (airbag switched off)
⇒ page 172.
WARNING
Have the airbag system checked immediately by a specialist
garage if a fault exists. Otherwise, there is a risk of the airbag not
being activated in the event of an accident!
Note
Further information about switching off airbags ⇒page 171, “Deactivating
an airbag”.
Turn signal system for vehicles towing a trailer
The indicator light on vehicles towing a trailer flashes together with the
respective indicator light for the turn signal system.
The indicator light
does not flash if a turn signal light on the trailer or
on the vehicle is not operating.
Low beam
The indicator light comes on when low beam is selected ⇒page 56.
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Instruments and Indicator/Warning Lights
34
Open door
The warning light comes on if one or several doors are opened or if the
boot lid is opened.
The warning light on vehicles fitted with information display comes on
when switching the ignition off. The warning light goes out about 15
seconds after locking the vehicle.
The warning light on vehicles fitted with information display goes out after
switching the ignition off.
Windshield washer fluid level
The warning light comes on when the ignition is switched on if there is
insufficient fluid in the windshield washer system. Top up the fluid
⇒ page 233.
A peep sounds as an additional warning signal.
The following text will be displayed in the information display*:
TOP UP WASH FLUID
Light bulbs
The warning light comes on if a light bulb is damaged:
•brakes applied (brake light)
•in lighting (low beam and/or rear light)
A peep sounds as an additional warning signal. The following text will be displayed in the information display*:
LIGHTS FAILURE
or BRAKE LIGHTS FAILURE
Control system for exhaust
The warning light comes on after the ignition has been switched on.
If the warning light does not go out after starting the engine or it lights up
or flashes when driving, a fault exists in an exhaust relevant component.
The engine management system selects an emergency programme
which enables you to drive to the nearest specialist garage by adopting a
gentle style of driving.
The following text will be displayed in the information display*:
EMISSIONS WORKSHOP! (EMISSIONS WORKSHOP)!
Electronic stability programme (ESP)*
The warning light comes on for a few seconds when the ignition is
switched on.
Components of the ESP system also include the Traction Control System
(TCS), Electronic Differential Lock (EDL), the Antilock Brake System ABS
and the braking assistant
The warning light comes on when driving when a control cycle is acti-
vated.
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Lights and Visibility
56
Lights and Visibility
Lights
Switching lights on and off
Switching on side lights
– Turn the light switch ⇒fig. 35 into position
.
Switching on the low beam and main beam
– Turn the light switch into position .
– Press the main beam lever forward in order to switch on the main beam ⇒page 59, fig. 40 . Switching off all lights
– Turn the light switch into position O.
Low beam comes on only if the ignition is switched on. The low beam is
switched off automatically when the engine is started and after switching
the ignition off; only the side lights come on.
On models fitted with
right-hand steering* the position of certain
switches differs from that shown in ⇒fig. 35 . The symbols which mark the
switch positions are identical, however.
In certain countries, the low beam is on a reduced brightness as well as
the side lights, when the ignition is switched on.
WARNING
Never drive with side lights on - ri sk of accident! The side lights are
not bright enough to light up the road sufficiently in front of you or
to be seen by other oncoming traffic. In this case, always switch on
the low beam when it is dark or if visibility is reduced.
Note
•An audible warning will sound if you withdraw the ignition key and open
the driver's door when the vehicle lights are still on.
•The acoustic warning signal is switched off over the door contact when
the driver's door is closed (ignition off). The vehicle can be parked with the
side lights on.
•If you park the car for a lengthy period, we recommend switching off all
lights, or leaving only the side lights switched on.
Fig. 35 Dash panel:
Light switch
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Lights and Visibility
58
Instrument lighting
You can adjust the brightness of the instrument lighting.
– Switch on the light.
– Turn the control dial ⇒fig. 37 to the desired intensity of the
instrument lighting.
Headlamp range adjustment
Once the low beam is switched on you can then adapt the
range of the headlights to the load of the vehicle.
– Turn the control dial ⇒ fig. 38 until you have adjusted the
low beam so that oncoming traffic is not dazzled.
Settings
The positions correspond approximately to the following vehicle loads:
Front seats occupied, luggage compartment empty.
All seats occupied, luggage compartment empty.
All seats occupied, luggage compartment laden.
Driver seat occupied, luggage compartment laden.
Caution
Set the headlight beam adjustment in such a way as to avoid dazzling
oncoming traffic.
Fig. 37 Dash panel:
Instrument lighting
Fig. 38 Dash panel:
Lights and Visibility
A-
A1
A2
A3
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Lights and Visibility
60
The turn signal and main beam lever perform the following func-
tions:
Right
and left turn signal light
– Push the lever upwards or downwards ⇒page 59, fig. 40 .
– Turn signal for changing lanes - in order to only flash briefly, move the lever up or down to the pressure point and hold it in
this position.
Main beam
– Switch on the low beam.
– Push the lever forwards.
– Pull the lever back into the initial position in order to switch the main beam off again.
Headlight flasher
– Pull on the lever of the steering wheel (sprung position) - the main beam and warning light in the instrument cluster come
on.
Parking light
– Switch off the ignition.
– Push the lever up or down - the right-hand or left-hand parking light is switched on.
Notes on light and indicator functions
•The turn signal system only operates when the ignition is switched
on. The corresponding indicator light or in the instrument cluster also
flashes.
•The turn signal is automatically cancelled after negotiating a curve.
•The side light and rear light on the appropriate side of the vehicle are
switched on when the parking light is selected. The parking light function
only operates if the ignition is switched off.
•An acoustic warning signal will sound when the driver's door is opened
if the lever is not in the middle position after removing the ignition key. The
acoustic warning signal will stop just as soon as the driver's door is closed.
Caution
Use main beam or the headlight flasher only if this does not risk dazzling
other road users.
Note
Use only in accordance with the legal requirements the described lighting
and signal systems.
Coming Home Function
This function makes it possible to switch on low or main beam for
a short time after leaving the car, e.g. to illuminate the path to
your front door, etc.
Selecting function
– Switch off the light.
– Switch off the ignition.
– Flash one time with the headlights.
– Open the door, the low beam lights up.
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Lights and Visibility63
Using the systemSafetyDriving TipsGeneral MaintenanceBreakdown assistanceTechnical Data
Entry lighting
The light is located in the door trim panel below.
The light beam is directed towards the entry area of the corresponding
door.
The light switches on when the door is opened and switches off again
when the door is closed.
If the doors remain open, the lighting goes out automatically after about
60 minutes provided the ignition is not switched on.
Visibility
Windscreen heater*
– Press switch ⇒fig. 45 to switch on the windscreen heater.
The windscreen heater operates only if the ignition is switched on. An indi-
cator light in the switch is illuminated when the rear window heater is
switched on.
The windscreen heater switches off automatically after 4 minutes.
For the sake of the environment
You should switch off the rear window heater as soon as the rear window
is clear. The reduced current consumption will have a favourable effect on
fuel economy ⇒page 198.
Rear window heater
– Press switch ⇒ fig. 46 to switch on the rear window heater.Fig. 45 Switch for
windscreen heater
Fig. 46 Switch for rear
window heater
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Lights and Visibility
66
The rain sensor* automatically regulates the break between the individual
wiper strokes depending on the intensity of the rain.
Top up with wash liquid ⇒page 233.
WARNING
•Properly maintained windscreen wiper blades are essential for
clear visibility and safe driving ⇒page 67.
•Do not use the windscreen washer system at low temperatures,
without heating the windscreen beforehand. Otherwise the window
cleaner could freeze on the windscreen and restrict the view to the
front.
•The rain sensor only operates as a support. The driver is not
released from the responsibility to set the function of the wind-
screen wipers manually dependi ng on the visibility conditions.
Caution
In frosty weather, please first of all check whether the windscreen wiper
blades are not frozen to the windscreen before switching them on.
Switching on windscreen wipers when the blades are frozen to the wind-
screen may result in damage both to the blades and the motor of the wind-
screen wipers!
Headlight cleaning system*
The headlight lenses are cleaned, when low beam or main beam are
switched on by holding ⇒page 65 the lever for about 2 seconds in the
position .
The headlight washer nozzles are moved forward out of the bumper by the
water pressure for cleaning the headlights.
You should remove stubborn dirt (such as insect residues) from the head-
light lenses at regular intervals, for example when refuelling. Please refer
to the following guidelines ⇒page 209, “The headlight lenses”.
You should remove any snow from the fixtures of the washer nozzles and
clear ice in winter with a de-icing spray in order to ensure proper operation
of the cleaning system.
Fig. 50 Headlight with
washer nozzle
extended
A5
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