66Cockpit
Exhaust emission control system
If the warning lamp lights up continuously you should take your vehicle to a
specialised workshop as soon as possible in order to have the fault re-
paired.
If the warning lamp flashes drive on at reduced speed and seek professio-
nal help in order to avoid damage to the catalytic converter.
For further information on the catalytic converter, see ⇒ page 192.
Airbag system
This warning lamp monitors the airbag and belt tension de-
vice system.
The warning lamp should light up for a few seconds when the ignition is
switched on.
If the warning lamp does not go out, or if it lights up, flashes or flickers
when the vehicle is moving, this indicates a malfunction in the system.
WARNING
If a malfunction should occur, have the system checked immediately by a
qualified workshop. Otherwise there is a risk that the airbag system and/
or belt tensioners may not be triggered in an accident.
Tyre pressure warning lamp*
The tyre pressure should be corrected as soon as possible if
it is too low.
Fig. 45 Display: system
fault
Fig. 46 Display: warning
message
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Cockpit
The yellow warning lamp remains on if the system is faulty or if
the pressure is too low in at least one tyre. In the event of a system
fault, the letters TPMS are displayed in the centre of the instrument
panel ⇒ fig. 45. If the tyre pressure drops rapidly, message A
⇒ fig. 46 will be shown on the central display of the instrument
panel. If the pressure loss is more gradual, message B ⇒ fig. 46
will be shown on the central display of the instrument panel. This
message does not show the tyre affected. Should any of these
warnings be displayed:
– Stop the vehicle.
– Check the tyres. Although the warning corresponds to just one
tyre, you should also check the others.
– Correct the tyre pressure ⇒ page 236.
For more detailed information on the tyre pressure monitoring system,
please refer to ⇒ page 235.
Cruise speed (Cruise control)*
The indicator lamp on the instrument panel lights up when the cruise
control system is operating.
Trailer turn signals*
This turn signal lamp flashes when the turn signals are op-
erating while towing a caravan or trailer. The turn signal lamp flashes when the turn signals are operated if a trail-
er is correctly coupled to the vehicle. Where a turn signal bulb does not work, either on the trailer or on the tow-
ing vehicle, the turn signal bulb will not flash.
Anti-lock brake system (ABS)
The warning lamp monitors the ABS and the integrated elec-
tronic differential lock (EDL).
The warning lamp lights up for a few seconds when the ignition is switch-
ed on and while the engine is being started. The lamp goes out again after
the system has run through an automatic test sequence.
There is a fault in the ABS if:
● The warning lamp does not light up when the ignition is switched on
● The warning lamp does not go out again after a few seconds
● The warning lamp lights up when the vehicle is moving
The vehicle can still brake in the normal way (except that the ABS control
function is out of action). Please take the vehicle to a qualified workshop as
soon as possible. For further information on the ABS, see ⇒ page 185.
If a malfunction should occur in the ABS, the ESP warning lamp will also
light up.
Entire brake system fault
If the ABS warning lamp lights up together with the brake warning lamp
⇒ page 70 (with the handbrake released), this indicates not only a
fault in the ABS function, but probably also a malfunction in the main brake
system ⇒
.
The symbol will light up on the instrument panel if there if a fault in the
brake system. Please refer to ⇒ page 77.
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Cockpit
Driver information system
General notes
The driver information system in the instrument panel
shows the status of various on-board systems at a glance.
Fig. 47 Cockpit: Digital
instrument panel display
The display for the driver information system is in the centre of the instru-
ment panel.
The system runs a check on certain components and functions when the ig-
nition is switched on and while the vehicle is moving. The DIS system gives
an audible warning if a fault should occur or if servicing is required, and a
red or yellow warning symbol (in some cases with a corresponding driver
message) appears in the instrument panel display.
The driver is informed on the audio system.
The driver information system includes the following functions:
CD player, radio and telephone display*⇒ page 72Outside temperature display⇒ page 72Gear indicator*⇒ page 73Selector lever positions for the 7-speed automatic
gearbox*⇒ page 182
Selector lever positions with multitronic ®
*⇒ page 178Distance to empty⇒ page 73Door and tailgate warning⇒ page 74Service indicator⇒ page 74auto-check control⇒ page 75Driving tips⇒ page 76Handbrake warning⇒ page 76Bulb monitor*⇒ page 82Onboard computer*⇒ page 85Tyre pressure monitoring*⇒ page 89Navigation information*Separate Instruc-
tion Manual
Note
● If a fault should occur, the display will show a red or yellow warning
symbol. A red warning symbol indicates a serious malfunction ⇒ page 77.
A yellow warning symbol indicates a less serious malfunction ⇒ page 79.
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72Cockpit
CD, radio and telephone display*
Fig. 48 Display: addi-
tional radio information
If the radio is switched on and no Priority 2 faults are indicated by the auto-
check control, depending on the type of radio fitted, the display will show
the name or frequency of the selected radio station and complementary in-
formation, once the “OK” symbol has gone out.
When in CD mode*, the display will show the current track.
If you have a compatible telephone*, the phone book or telephone dialled
can also be seen on this display.
These displays appear in addition to the display on the radio itself. Outside temperature displayFig. 49 Display: Outside
temperature display
The outside temperature is shown in the display when the ignition is switch-
ed on ⇒ fig. 49. In vehicles with an automatic gearbox, the display does not appear until the driver has engaged a gear.
At temperatures below +5 °C a snowflake symbol appears next to the tem-
perature display. This is to warn the driver to take extra care when there is a
risk of ice on the road. When the vehicle is stationary or travelling at very
low speeds, the temperature displayed may be slightly higher than the ac-
tual ambient temperature as a result of heat coming from the engine.
If the vehicle has an air conditioner and the display is changed over to °F
(degrees Fahrenheit), the outside temperature display automatically
changes over to °F ⇒ page 161.
WARNING
Do not rely on the outside temperature display as an ice warning. Please
bear in mind that there may be ice on the roads even at outside tempera-
tures of +5 °C – beware of ice patches.
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Cockpit
Note
When the display shows route guidance instructions from the navigation
system, the outside temperature appears in the second line of the radio dis-
play.
Gear display*
This display helps to save fuel.
Fig. 50 Gear display
Use the gear display to save fuel. The indication ⇒ fig. 50 on the instrument
panel display recommends that you select the gear indicated by the arrow.
It may also skip a gear, and recommend changing up from 4th gear to 6th
gear, for example.
Note
● The display may not recommend any gear-change while you are acceler-
ating.
● The gear change indication should not be taken into account the accel-
eration is required (for example when overtaking).
● If desired, you can have the gear-change display deactivated by an Au-
thorised Service Centre.
Distance to empty
The distance to empty display can help you to plan your trip.
The estimated distance to empty is displayed in km. It shows how far the
vehicle can be driven with the amount of fuel left in the tank, assuming the
same style of driving. The distance to empty is displayed in increments of
10 km.
The distance to empty is calculated on the basis of the fuel consumption
over the last 30 kilometres. The distance to empty will increase if you drive
in a more economical manner.
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74Cockpit
Door and tailgate warning
Fig. 51 Display: Door
and tailgate warning
The door and tailgate warning symbol lights up if one or more of the doors,
or the bonnet or tailgate are not properly closed when the ignition is on. The
symbol also indicates which of these is not properly closed. The display in
the illustration ⇒ fig. 51 shows that the driver door is open.
The corresponding part of the pictogram will flash if either the bonnet or
tailgate are open. The warning symbol goes out when the bonnet, tailgate
and all the doors are closed.
In vehicles with a driver information system and an onboard computer* the
door catches/tailgate warning symbol can be switched off by briefly press-
ing one of the control switches for the onboard computer ⇒ page 86. How-
ever, the warning symbol will appear again if any of the doors or the bonnet
or tailgate is opened or closed. Service indicator
This display reminds the driver when the next routine serv-
ice is due.
Fig. 52 Detailed view of
the instrument panel:
Service indicator
Displaying distance to next service
When you press the service button 1
briefly with the ignition switched on,
the display will show how far the vehicle can be driven before the next serv-
ice is due. This check can be carried out with the engine stopped or running
up to 5 km/h. Before the first 500 km and after the ignition cycle, the kilo-
metres and days before the service inspection are not displayed.
If the service button 1
is pressed before the first 500 km the following indi-
cation appears on screen:
Service in ----- km --- days
This is only valid for vehicles with “LongLife Service Intervals”*.
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Cockpit
Service reminder
The instrument panel controls the distance travelled every day. It calculates
the average of these distances travelled and activates the service reminder
sufficiently in advance.
The display reverts back to the standard display after about 5 seconds. The
remaining distance to the next service is updated every time the ignition is
switched on, until the service becomes due.
Service due
When a service is due, SERVICE! will appear in the display immediately after
you switch on the ignition. The display reverts back to the standard display
after about 5 seconds.
Resetting the display
The display is reset by the workshop after the service has been carried out.
The service interval will be set to a LongLife Service (flexible service inter-
val) or Inspection Service (fixed service interval), depending on which en-
gine oil is used. It is only possible to reset the display via the instrument
panel when an oil change is performed; in this case the display can only be
reset to a fixed service interval of 15 000 km. Proceed as follows:
● Switch the ignition off.
● Press the service button ⇒ fig. 52 1
and hold while switching on the
ignition. The display will show one of these messages: Service in ----- km or
Service!
● Now press and hold the reset button 2
until the display shows
Service
in ----- km --- days or Service!
The display switches out of the reset mode if you do not press the reset but-
ton within 5 seconds.
CAUTION
The system cannot calculate the figures for the service interval display if the
battery is disconnected from the vehicle, so no service reminder can be dis-
played during this time. Please remember that it is essential to service the
vehicle within the established time limits to prevent its deterioration and to
extend its useful life (particularly that of the engine). The period between
two services must never be longer than the time specified in the Mainte-
nance Programme, even if you only cover a low mileage during this time.
Note
● Do not reset the service indicator between services, otherwise the dis-
play will be incorrect.
● The information in the service indicator remains intact if the battery is
disconnected.
● The distance to the next service cannot be called up if the system has
detected a Priority 1 fault (red symbol).
Auto-check system Introduction
The auto-check system checks important components and vehicle systems.
These background checks are run constantly, as long as the ignition is
switched on.
A message is displayed on the instrument panel if a fault should occur or if
any maintenance or repairs are urgently required. This is accompanied by
an audible warning signal. Depending on the priority of the fault, a red or
yellow warning symbol lights up on the display.
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76Cockpit
The red symbol indicates danger, whereas the yellow one represents a
warning. Additional messages for the driver may be shown with the red or
yellow symbols.
Driver messages
Additional messages for the driver are displayed together
with the warning symbols on the instrument panel.
Fig. 53 Instrument pan-
el: CHECK button
Driver messages and red symbols
If a red warning symbol appears on the display, you can press the CHECK
button ⇒ fig. 53 to call up an additional driver message.
For example: in the event of an oil pressure malfunction, the oil pressure
symbol
will appear in the display. If you now press the CHECK
button,
the following message will appear in the display:
Switch off engine, check oil level The message will disappear from the display after about 5 seconds. If re-
quired, the message can be called up again by briefly pressing the
CHECK
button.
Driver messages and yellow symbols
If a yellow warning symbol appears in the display, it will automatically be
accompanied by the corresponding driver message.
For example, the symbol
is displayed to indicate that the windscreen
washer fluid level is low. In addition, the following message will appear:
Top up washer fluid
The message will disappear after a few seconds. If required, the message
can be called up again by briefly pressing the CHECK
button.
Note
● The messages handbrake on and when stationary apply footbrake to se-
lect gear cannot be called up a second time. They will remain in the display
until the handbrake is released or until a gear is selected.
Handbrake warning
– Release the handbrake.
If you drive by mistake with the handbrake still applied, you will hear a
warning buzzer and the display will show the message: Handbrake on
The handbrake warning switches on after driving for 3 seconds at speeds
above 5 km/h.