Cockpit59
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
Digital display in the instrument panelDisplay (without warning or information texts)
The display in the instrument panel shows, amongst other
things, the mileage and trip recorder as well as the selector
lever position.
Digital clock display ⇒page 58.
Distance display or service interval display ⇒page 60.
Selector lever position display for the automatic gearbox*.
Display for the gears in Tiptronic mode (automatic gearbox)*. The
selected gear appears in the display field with a light background
⇒ fig. 36 .
Fig. 35 Detail of the
instrument cluster: screen
with different indicators
Fig. 36 Detail of the
instrument cluster: screen
with Tiptronic gear indi-
cator
A1A2A3A4
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Cockpit
60Displayed categories
The display in the instrument panel shows the mileage and
trip recorder as well as the selector lever position.
Warning and monitoring indicators: “Warning and indication lamps”
Clock: “Setting the time”. In some vehicles the ambient temperature is
displayed to the right of the clock.
There are optional and automatic displays in this field.
- Optional indicators: e.g. Multi-function display (MFD) and ambient
temperature display
- Automatic indicators: Information texts and warnings: “Warning and
information messages on the screen”
- Menus providing further information and which can be used to make diverse settings are also shown: “Instrument panel menus” Distance display or flexible service interval display: “Distance display or
flexible service interval display”
Selector lever position display for the automatic gearbox. The actual
position of the selector lever or the gear which is engaged (for Tiptronic)
are highlighted.
Mileage display or Service Interval DisplayDistance display
The left-hand counter in the display registers the total amount of distance
covered by the vehicle.
The right-hand counter regi
sters the short journeys. The last digit indicates
steps of 100 metres. The trip recorder counter may be reset by the reset
button ⇒page 56, fig. 32 .
Service interval display
A Service pre-warning will appear in the mileage displays if a service is due
soon. A “spanner” symbol appears and the display “km” with the distance
that can be driven until the next service appointment is due. The display will
change after approximately 10 seconds. A “clock symbol” appears and the
number of days until the service appointment should be carried out. The
instrument panel displays shows the following message
5): SERV. IN ... KM OR
... DAYS . The service message will disappear approximately 20 seconds after
the ignition is switched on or the en gine is running. The normal display can
be resumed by pressing the reset button on the trip counter or by pressing the
rocker switch of the MFI ⇒page 61, fig. 38 .
With the ignition switched on, you can call up the current service message by
pressing the trip counter reset knob for 2 seconds.
Fig. 37 Digital display in
the instrument panel
A1A1A2
5)Depending on the model versionA3A4
A5
AB
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Cockpit61
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
An
overdue service is indicated by a minus sign in front of the mileage or day
information.
Display with multi-function display (MFD)*
The multi-function display (M FD) shows you diverse journey
and consumption data.
The multi-function system uses two automatic memories: 1 - Actual
memory and 2 - Total memory . The selected memory will be shown
in the upper right-hand corner of the display.
Selecting memory
– With the ignition switched on, briefly press the button ⇒fig. 38
on the windscreen wiper lever to move between the two
memories.
Resetting the memory
– Select the memory that you would like to reset.
– Press and hold button on the windscreen wiper lever for at least 2 seconds.The trip memory 1 collects the travel and cons umption data from the moment
the ignition is switched on until it is switched off. If the journey is continued
within two hours of switching off the ignition, the new values will be added to
Fig. 38 Windscreen wiper
and windscreen wash
lever: button A and rocker
switch B
Fig. 39 Digital instru-
ment panel display:
average fuel consumption
indicator
AA
AA
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Intelligent technology175
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
instance, city traffic, frequent short trips or hard driving with abrupt starts
and stops.
Wet roads; road salt
When the velocity is
over 80 km/h, and the windscreen wipers are on, the
brake system moves the pads towards the brake discs for a few seconds. This
occurs - without warning to the driver - in regular intervals and requires a
more rapid response from the brakes when driving on wet roads.
In certain conditions, such as in heavy rain, or after washing the car or driving
through water, the full braking effect can be delayed by moisture (or in winter
by ice) on the discs and brake pads. The brakes should be dried by pressing
the pedal to restore full braking effect.
The effectiveness of the brakes can also be temporarily reduced if the car is
driven for some distance without using the brakes when there is a lot of salt
on the road in winter. In this case, the layer of salt on the brake discs and pads
has to wear off before braking.
Corrosion
There may be a tendency for dirt to build up on the brake pads and corrosion
to form on the discs if the car is used infrequently, or if you only drive low
mileages without using the brakes very much.
If the brakes are not used frequently, or if corrosion has formed on the discs,
it is advisable to clean off the pads and discs by braking firmly a few times
from a moderately high speed ⇒.
Faults in the brake system
If the brake pedal travel should ever increase suddenly, this may mean that
one of the two brake circuits has failed. Drive immediately to the nearest qual-
ified workshop and have the fault rectified. On the way to the dealer, be
prepared to use more pressure on the brake pedal, and allow for longer stop-
ping distances. Low brake fluid level
Malfunctions can occur in the brake system if the brake fluid level is too low.
The brake fluid level is monitored electronically.
Brake servo
The brake servo amplifies the pressure you apply to the brake pedal. The
brake servo works only when the engine is running.
WARNING
•
When applying the brakes to clean o
ff deposits on the pads and discs,
select a clear, dry road. Be sure no t to inconvenience or endanger other
road users. Risk of accident.
•
Ensure the vehicle does not move whil e in neutral, when the motor is
stopped. Failure to do so could result in an accident.Caution
•
Never let the brakes “drag” by leaving your foot on the pedal when you do
not really intend to brake. This overheats the brakes, resulting in longer stop-
ping distances and greater wear.
•
Before driving down a long, steep gradient, it is advisable to reduce speed
and change to a lower gear (or move the selector lever to a lower gear position
if your car has automatic transmission). This makes use of engine braking
and prolongs the service life of the brakes. If you still have to use the brakes,
it is better to brake firmly at intervals than to apply the brakes continuously.Note
•
If the brake servo is not functioning due to a malfunction, or if the vehicle
has to be towed, you will have to press the brake pedal considerably harder
to make up for the lack of servo assistance.
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Driving and the environment183
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
On the right headlight, if you are changing from driving on the left-hand side
to the right-hand side.
On the left headlight, if you are changing from driving on the left-hand side to
the right-hand side.
Driving economically and with respect for the
environmentGeneral ObservationsFuel consumption, environmental pollut
ion and wear to the engine, brakes
and tyres depends in large part on your driving style. Fuel consumption may
be reduced from 10 to 15 % by driving defensively and economically. Below
we will give you some suggestions to "alleviate" some of the strain in the
environment and, at the same time, your wallet.
Anticipate the traffic situation well in advance
A vehicle uses most fuel when accelerating. When you anticipate the situa-
tion, you will have to brake less often and, thus, accelerate less. If it is
possible, let the vehicle roll with a gear engaged, for example, if you see a red
light ahead.
Change gear early to save energy
An effective way of saving fuel is to change up quickly through the gears.
Running the engine at high rpm in the lower gears uses an unnecessary
amount of fuel.
Manual gearbox: Change from first to second gear as quickly as possible. We
recommend that, whenever possible, you change to a higher gear upon
reaching 2,000 rpms.
Automatic gearbox: Accelerate slowly and avoid the “kick-down” position. Avoid driving at high speed
We advise you not to drive at the top speed permitted by the vehicle. Fuel
consumption, exhaust emissions and noise levels all increase very rapidly at
higher speeds. Driving at moderate speeds will help to save fuel.
Avoid idling
It is worthwhile switching off the engine when waiting in a traffic jam, at level
crossings or at traffic lights with a long red phase. The fuel saved after only
30 - 40 seconds is greater than the amount of fuel needed to restart the
engine.
The engine takes a very long time to
warm up when it is running at idling
speed. Mechanical wear and pollutan t emissions are also especially high
during this initial warm-up phase. It is therefore best to drive off immediately
after starting the engine. Avoid running the engine at high speed.
Periodic maintenance
Periodic maintenance work guarantees that, before beginning a journey, you
will not waste fuel. A well-service d engine gives you the benefit of improved
fuel efficiency as well as maximum reliability and an enhanced resale value.
A maladjusted engine may mean an increase of 10 % over normal fuel
consumption.
Check the oil level every time you fill the tank. Oil consumption depends to a
great extent on the engine load and engine speed. It is quite normal that the
oil consumption of a new engine only reaches its lowest level after a certain
mileage. This means that the oil consumption can only be properly assessed
after about 5,000 km. Depending on your personal driving style, oil consump-
tion can be up to 0.5 litres per 1,000 km.
Avoid short journeys
To reduce the consumption and emission of polluting gases, the engine and
the exhaust filtration systems should reach the optimum service tempera-
ture .
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Checking and refilling levels219
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
charge. Never short the battery terminals. High-energy sparks can cause
injury.
•
A highly explosive mixture of gases is released when the battery is
under charge. The batteries should be charged in a well-ventilated room
only.
•
Keep children away from acid and batteries.
•
Before working on the electrical system, you must switch off the
engine, the ignition and all consumers. The negative cable on the battery
must be disconnected. When a light bulb is changed, you need only switch
off the light.
•
Deactivate the anti-theft alarm by unlocking the vehicle before you
disconnect the battery! The alar m will otherwise be triggered.
•
When disconnecting the battery from the vehicle electrical system,
disconnect first the negative cable and then the positive cable.
•
Switch off all electrical consumers before reconnecting the battery.
Reconnect first the positive cable and then the negative cable. Never
reverse the polarity of the connections. This could cause an electrical fire.
•
Never charge a frozen battery, or one which has thawed. This could
result in explosions and chemical burns. Always replace a battery which
has frozen. A flat battery can freeze at temperatures around 0°C.
•
Ensure that the vent hose is always connected to the battery.
•
Never use a defective battery. This may be fatally explosive. Replace a
damaged battery immediately.Caution
•
Never disconnect the battery if the ignition is switched on or if the engine
is running. This could damage the electrical system or electronic compo-
nents.
•
Do not expose the battery to direct sunlight over a long period of time, as
the intense ultraviolet radiation can damage the battery housing.
•
If the vehicle is left standing in cold conditions for a long period, protect
the battery from frost. If it “freezes” it will be damaged.
Checking the electrolyte level
The electrolyte level should be checked regularly in high-
mileage vehicles, in hot countries and in older batteries.– Open the bonnet and open the battery cover at the front ⇒ in
“Safety instructions on working in the engine compartment” on
page 204 ⇒ in “Warnings on handling the battery” on
page 218.
– Check the colour display in the "magic eye" on the top of the battery.
– If there are air bubbles in the window, tap the window gently until they disperse.The position of the battery is show n in the corresponding engine compart-
ment diagram ⇒page 266.
The round window (“magic eye”) on the top of the battery changes colour,
depending on the charge level and electrolyte level of the battery.
If the colour in the window is colourless or bright yellow, the electrolyte level
of the battery is too low. Have the battery checked by a qualified workshop.
The colours green and black are used by the workshops for diagnostic
purposes.
WARNING (continued)
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Index295
Heated front seats . . . . . . . . . . . . . . . . . . . . . . . 131
Heated window
2C-Climatronic . . . . . . . . . . . . . . . . . . . . . . . 148
Heating and ventilation . . . . . . . . . . . . . . . . . . . 142
High pressure cleaners . . . . . . . . . . . . . . . . . . . 192
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55IIdentification number . . . . . . . . . . . . . . . . . . . . 262
Ignition key . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Indicator lever . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Indicator lights indication lamp . . . . . . . . . . . . . . . . . . . . . . . 76
Information texts in the display . . . . . . . . . . . . . 63
Instrument and switch lighting . . . . . . . . . . . . . 115
Instrument lighting . . . . . . . . . . . . . . . . . . . . . . . 55
Instrument panel . . . . . . . . . . . . . . . . . . . . . . . . . 55
Instrument panel menu Configuration menu . . . . . . . . . . . . . . . . . . . . 69
Example of menu use . . . . . . . . . . . . . . . . . . 67
Lights and visibility menu . . . . . . . . . . . . . . . 71
Instrument panel menus Principal menu . . . . . . . . . . . . . . . . . . . . . . . . 65
Vehicle status menu . . . . . . . . . . . . . . . . . . . 69
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Interior lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Intermittent wipe, windscreen . . . . . . . . . . . . . 121
ISOFIX and Toptether systems . . . . . . . . . . . . . . 52
JJump leads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Jump-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . 255KKey tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99LLights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Load compartment See Luggage compartment . . . . . . . . . . . . . . 16
Locker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Luggage compartment . . . . . . . . . . . . . . . . 16, 139 See also Luggage compartment . . . . . . . . . . 16
Luggage compartment cover . . . . . . . . . . . . . . 140MMain beam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Main beam headlights Indicator lamp . . . . . . . . . . . . . . . . . . . . . . . . 76
Main headlight lamps . . . . . . . . . . . . . . . . . . . . 247
Manual gearbox . . . . . . . . . . . . . . . . . . . . . . . . . 158
Manual mode 2C-Climatronic . . . . . . . . . . . . . . . . . . . . . . . 149
MFD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Mileage display . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Mirrors
Exterior mirrors, electrical . . . . . . . . . . . . . . 125
Interior mirror . . . . . . . . . . . . . . . . . . . . . . . . 124
Make-up mirrors . . . . . . . . . . . . . . . . . . . . . 120
Mobile telephones and radiotelephones . . . . 200
Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Multi-function display . . . . . . . . . . . . . . . . . . . . . 61
NNumber of seats . . . . . . . . . . . . . . . . . . . . . . . . . 19OObservations . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Octane number . . . . . . . . . . . . . . . . . . . . . . . . . 202
Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Oil change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Oil properties . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
One-touch opening and closing Electric windows . . . . . . . . . . . . . . . . . . . . . 107
Opening and locking . . . . . . . . . . . . . . . . . . . . . 104
Overview Control lamps . . . . . . . . . . . . . . . . . . . . . . . . 72
Instrument panel . . . . . . . . . . . . . . . . . . . . . . 55
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Warning lamps . . . . . . . . . . . . . . . . . . . . . . . . 72
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