Airbag system
32Monitoring of airbag and belt tension device system
Both the airbag and belt tension device systems operation is constantly
monitored electronically. Each time the ignition is switched on, the warning
lamp
lights for several seconds and the display in the instrument panel*
shows AIRBAG / TENSIONER.
The system must be checked when the warning lamp
:
•does not light up when the ignition is switched on,•after the ignition is switched on, it turns off after 4 seconds,•it turns off and then lights up again after the ignition is switched on,•lights up or flashes while the car is moving.
In the event of a malfunction, the warning lamp remains on continuously. In
addition, depending on the malfunction, a fault message appears in the
display of the combi-instrument for approx. 10 seconds and a short acoustic
signal is g ive n. In th is ev en t, you sh ould hav e a q ual if ie d wo r ksh op che ck the
system immediately.
If any of the airbags are de-activated by the Authorised Service Centre, the
indicator lights for several seconds more after the verification and will turn off
if there is no fault.WARNING
•If there is a malfunction, the airbag and belt tension device system
cannot properly perform its protective function.•If a malfunction occurred, have the system checked immediately by a
qualified workshop. Otherwise, in th e event of an accident, the airbag
system and belt tension devices may not be triggered, or may not be trig-
gered correctly.
Repairs, maintenance and disposal of the airbagsThe parts of the airbag system are installed in various places in your vehicle.
If you work on the airbag system or remove and fit parts of the system when
performing other repair work, parts of the airbag system may be damaged.
The consequence may be that, in the event of an accident, the airbag inflates
incorrectly or does not inflate at all.
The relevant safety requirements must be observed when the vehicle or
components of the airbag are scrapped. The specialist workshops and the
Vehicle disposal centres are familiar with these requirements.
WARNING
•If repairs are not carried out by a professional, or if the airbags are used
incorrectl y, the ris k of severe or fatal inju ries is increase d. T he airbags may
fail to inflate, or could inflate in the wrong circumstances.•Do not cover or stick anything on the steering wheel hub or the soft
plastic surface of the airbag unit on the passenger side of the dashboard,
and do not obstruct or modify them in any way.•It is important not to attach any objects such as cup holders or tele-
phone mountings to the surfaces covering the airbag units.•To clean the steering wheel or dash panel, you may use only a dry or a
water-moistened cloth. Never clean the dash panel and the airbag module
surface with cleansers containing solvents. Solvents cause the surface to
become porous. If the airbag triggered, disintegrating plastic parts could
cause substantial injuries.•Never attempt to repair, adjust, remove or install parts of the airbag
system.•Any work on the airbag system or removal and installation of the airbag
components for other repairs (such as repairs to the steering wheel) should
be performed only by a qualified wo rkshop. Qualified workshops have the
necessary tools, repair inform ation and qualified personnel.
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Cockpit
60Digital display in the dash panelDisplay (without warning or information texts)
The display in the dash panel shows, amongst other things,
the mileage and trip recorder as well as the selector lever
position.
Digital clock display ⇒page 59. On the right of the display: Selector
lever position display for the automatic gearbox*. The current position of
the selector lever or the gear which is engaged (for Tiptronic)* is high-
lighted.
Ambient temperature.
Distance display or flexible service interval display*.
Displayed categories*
The display on the dash panel shows the mileage and trip
recorder as well as the selector lever position.
Clock: “Setting the time”. On the right of the display: Selector lever posi-
tion display for the automatic gearbox*. The actual position of the
selector lever or the gear which is engaged (for Tiptronic) are high-
lighted.
There are optional and automatic displays in this field.
– Optional indicators: e.g. those on the multi-function display (MFD)
– Automatic indicators: Information texts and warnings.
– Menus providing further information and which can be used to make diverse settings are also shown: “Dash panel menus”
Ambient temperature:
Distance display or flexible service interval display.
F ig. 36 Detail of th e dash
panel insert: screen with
different indicators
A1A2A3
Fig. 37 Digital display in
the dash panel
A1A2A3A4
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Cockpit
78First look at the coolant temperature gauge. If the needle is in the normal
range, top up with coolant at the earliest opportunity ⇒.
WARNING
•If your vehicle is immobilised for any technical reasons, move it to a
safe distance from traffic. Tur n the e ngin e off, turn t he hazard l ights on and
place the warning triangle.•Never open the bonnet if you can see or hear steam or coolant escaping
from the engine compartment. Risk of scalding. Wait until you can no
longer see or hear escaping steam or coolant.•The engine compartment is a danger ous area! Before carrying out any
work in the engine compartment, switch off the engine and allow it to cool
down. Always note the corresponding warnings ⇒page 213.
Rear fog light
This warning lamp lights up when the rear fog light is switched on
. Further
information ⇒ page 111.
Turn signals
The warning lamp flashes when the indicators are in opera-
tion.Depending on which indicator is operating, either the left
or right
indi-
cator lamp flashes. Both warning lamps will flash at the same time when the
hazard warning lights are switched on.
If any of both indicators fails, the warning lamp will start flashing twice faster
than normal. Further information on the indicators
⇒page 117.
Engine management*
This warning lamp monitors the engine management system
for petrol engines.
The warning lamp
(Electronic Power Control) lights up when the ignition
is switched on to show that the lamp is working properly. It should go out
once the engine is started.
If there is a fault in the electronic engine management system while you are
driving, this warning lamp will light up. Stop the vehicle and seek technical
assistance.
Glow plug system / Engine fault
The warning lamp lights up to show that the glow plugs are
preheating. It flashes if there is an engine fault.
Warning lamp
is lit
The warning lamp lights up while the glow plugs are preheating. When the
warning lamp goes off, the engine should be started straight away.
Warning lamp
flashes
If a fault develops in the engine management system while you are driving,
the glow plug lamp will flash
. Take the vehicle to an Authorised Service
Centre as soon as possible and have the engine checked.
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Unlocking and locking101
Safety First
Controls and equipment
Practical tips
Technical Data
WARNING
•An improper use of the key can cause serious injuries.•Never leave children or disabled persons in the vehicle. In case of emer-
gency, they may not be able to leave the vehicle and not manage on their
own.•Never forget the keys inside the vehicle. Otherwise, this could result in
serious injuries, accidents or even the theft of your vehicle. Always take the
key with you when you leave the vehicle.•An uncontrolled use of the key could start the engine or activate any
electric equipment(e.g. electric windows), causing risk of accident. The
vehicle can be locked when using the remote control key. This could
complicate the aid in case of emergency.Note
•The radio-frequency remote contro l can be programmed by means of
pressing the unlocking button once; as a result, only the driver door will
unlock. When the button is pressed once more, all doors and the tailgate will
be unlocked.•The remote control functions only when you are in range ⇒page 100,
fig. 64 (red area).•If the vehicle is unlocked using the button, it will lock again auto-
matically if any of the doors or the tailgate are not opened within 30 seconds
after unlocking it. This function prevents the vehicle from remaining unlocked
if the unlock button is pressed by mistake.•If the vehicle cannot be opened and closed using the remote control, the
remote control key will have to be re-synchronised ⇒page 101.
Changing the batteryIf the battery indicator does not flash when the buttons are pushed, the
battery must be replaced.
Caution
The use of inappropriate batteries may damage the radio frequency remote
control. For this reason, always replace the dead battery with another of the
same size and power.
For the sake of the environment
The flat batteries must be thrown away in accordance with regulations
governing the protection of the environment.Synchronising the remote control key
If it is not possible to unlock or lock the door with the remote
control, it should be re-synchronised.–Press the ⇒page 100, fig. 63 button on the remote control.
– Then close the vehicle using the key bit within one minute.It is possible that the vehicle could no longer be opened and closed with the
remote control if the button is repeatedly pressed outside the radio
frequency remote control effective scope. The remote control key will have to
be resynchronised.
Spare remote control keys are available in your Authorised Service Centres,
where they must be matched to the locking system.
Up to eight remote control keys can be used.
A1
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Wheels and tyres
232
For the sake of the environmentUnder-inflated tyres lead to increased fuel consumption and tyre wear.Significant tyre pressure lossThe tyre symbol
is displayed and indicates that the tyre pressure for a least
one tyre is insufficient.
– Stop the vehicle.
– Switch the engine off.
– Check the tyre(s).
– Change the wheel if necessary ⇒page 240.
Tyre ser vice life
The service life of tyres is dependent on tyre pressure, driving
style and fitting.
Fig. 167 Tyre tread wear
indicatorsFig. 168 Diagram for
changing wheels
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Wheels and tyres233
Safety First
Controls and equipment
Practical tips
Technical Data
Wear indicators
The original tyres on your vehicle have 1.6 mm high “tread wear indicators”
⇒
page 232, fig. 167 , running across the tread. Depending on the make,
there will be six to eight of them evenly spaced around the tyre. Markings on
the tyre sidewall (for instance the letters “TWI” or other symbols) indicate the
positions of the tread wear indicators. The minimum tread depth required by
law is 1.6 mm (measured in the tread grooves next to the tread wear indica-
tors). Worn tyres must be replaced. Different figures may apply in export
countries ⇒.
Tyre pressure
Incorrect tyre pressure causes premature wear and could cause tyre blow-out.
For this reason, the tyre pressure should be checked at least once per month
⇒ page 230.
Driving style
Fast cornering, heavy acceleration and hard braking all increase tyre wear.
Changing wheels around
If the front tyres are worn considerably more than the rear ones it is advisable
to cha nge t he m ar oun d as sh own ⇒ page 232, fig. 168. All the tyres will then
last for about the same time.
Wheel balance
The wheels on new vehicles are balanced. However, various factors encoun-
tered in normal driving can cause them to become unbalanced, which results
in steering vibration.
Unbalanced wheels should be rebalanced, as they otherwise cause excessive
wear on steering, suspension and tyres. A wheel must also be rebalanced
when a new tyre is fitted.
Incorrect wheel alignment
Incorrect wheel alignment causes excessive tyre wear, impairing the safety of
the vehicle. If tyres show excessive wear, you should have the wheel align-
ment checked by an Authorised Service Centre.
WARNING
There is a serious danger of accidents if a tyre bursts during driving!•The tyres must be replaced at the latest when the tread is worn down to
the tread wear indicators. Failure to do so could result in an accident. Worn
tyres do not grip well at high speeds on wet roads. There is also a greater
risk of “aquaplaning” •At continuously high speeds, a tyre with insufficient pressure flexes
more. This causes it to overheat. This can cause tread separation and tyre
blow-out. Risk of accident. Always observe the recommended tyre pres-
sures.•If tyres show excessive wear, you should have the running gear checked
by an Authorised Service Centre.•Keep chemicals such as oil, fuel and brake fluid away from tyres.•Damaged wheels and tyres must be replaced immediately!For the sake of the environment
Under-inflated tyres will increase fuel consumption.Anti-puncture tyres
Anti-puncture tyres allow you to continue driving even with a
punctured tyre, in the majority of cases.Vehicles equipped with anti-puncture
21) tyres from the factory indi-
cate the loss of tyre pressure on the instrument panel.
21)Depending upon version and country.
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Index289
SSafe driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Safety equipment . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety instructions
Coolant temperature . . . . . . . . . . . . . . . . . . . 78
Safety notes Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Belt tension devices . . . . . . . . . . . . . . . . . . . 28
Curtain airbags . . . . . . . . . . . . . . . . . . . . . . . 42
Disabling front passenger airbag . . . . . . . . . 45
frontal airbags . . . . . . . . . . . . . . . . . . . . . . . . 37
side airbags . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Using child seats . . . . . . . . . . . . . . . . . . . . . . 47
Using seat belts . . . . . . . . . . . . . . . . . . . . . . . 23
Safety system- safe . . . . . . . . . . . . . . . . . . . . . . . 94
Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Seat adjustment . . . . . . . . . . . . . . . 129, 132, 134
Seat belt position Pregnant women . . . . . . . . . . . . . . . . . . . . . . 26
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Seat belt release . . . . . . . . . . . . . . . . . . . . . . . . . 27
Seat belt warning lamp . . . . . . . . . . . . . . . . . . . . 19
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Incorrectly fastened . . . . . . . . . . . . . . . . . . . . 28
Not worn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . . 19
Seat belts cleaning . . . . . . . . . . . . . . . . . . . . . . 207 Seat belts protection . . . . . . . . . . . . . . . . . . . . . . 23
Seat heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Selective opening* . . . . . . . . . . . . . . . . . . . . . . . 94
Selector lever locking . . . . . . . . . . . . . . . . . . . . 172
Selector lever positions . . . . . . . . . . . . . . . . . . . 171
Service interval display . . . . . . . . . . . . . . . . . . . . 61
servotronic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Shoes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Side lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Sitting position Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Front passenger . . . . . . . . . . . . . . . . . . . . . . . 11
Incorrect sitting position . . . . . . . . . . . . . . . . 15
Passengers . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Sitting position, occupants . . . . . . . . . . . . . . . . . 10
Sliding/tilting roof . . . . . . . . . . . . . . . . . . . . . . . 108
Snow chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Soot accumulation in the diesel engine particulate filter
Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Spare wheel* . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Starting Petrol engines . . . . . . . . . . . . . . . . . . . 168
Starting the engine . . . . . . . . . . . . . . . . . 167, 168 After the fuel tank has been run dry . . . . . . 168
Steam jets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Steering lock . . . . . . . . . . . . . . . . . . . . . . . . 166
Steering wheel audio controls audio + telephone version . . . . . . . . . . . . . . 85
audio version . . . . . . . . . . . . . . . . . . . . . . . . . 85
Steering wheel height adjustment . . . . . . . . . . 164
Stowage area Centre arm rest . . . . . . . . . . . . . . . . . . . . . . 136
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Other stowage areas . . . . . . . . . . . . . . . . . . 140
Stowage compartment Front passenger side . . . . . . . . . . . . . . . . . . 136
Stowage in the luggage compartment . . . . . . . 139
Sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Sun visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Sunroof blind Sliding/tilting roof . . . . . . . . . . . . . . . . . . . . 109
Switch Hazard warning lights . . . . . . . . . . . . . . . . . 116
Switches Electric windows . . . . . . . . . . . . . . . . . . . . . 106
Electrical exterior mirrors . . . . . . . . . . . . . . 127
Sliding/tilting roof . . . . . . . . . . . . . . . . . . . . 108
Switching off the engine . . . . . . . . . . . . . . . . . . 169
TTailgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Emergency opening . . . . . . . . . . . . . . . . . . . 105
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 82
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Index
290Tank
fuel level . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
reserve indicator . . . . . . . . . . . . . . . . . . . . . . 58
tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . 58
TCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
TCS (Traction control system) Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 84
Technical modifications . . . . . . . . . . . . . . . . . . 208
The danger of not using the seat belt . . . . . . . . 22
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Towing a trailer . . . . . . . . . . . . . . . . . . . . . . . . . 272
Towing bracket . . . . . . . . . . . . . . . . . . . . . . . . . 196
Towing bracket, fitting . . . . . . . . . . . . . . . . . . . 197
Towing eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Tow-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Traction control system warning lamp . . . . . . . . . . . . . . . . . . . . . . . . . 84
Trailer Trailer towing . . . . . . . . . . . . . . . . . . . . . . . . 195
Trailer eyes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Trailer turn signals Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 118
Trailer weights . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Trips, checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Turn signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Warning lamp . . . . . . . . . . . . . . . . . . . . 78, 118
Type plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Tyre Mobility-System (Tyre repair kit) . . . . . . . 239
Tyre monitor indicator . . . . . . . . . . . . . . . . . . . . . 80 Tyre pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Tyre pressure monitoring . . . . . . . . . . . . . . . . . 231
Tyre repair kit . . . . . . . . . . . . . . . . . . . . . . . 239, 247
Tyre-Mobility-System (Tyre repair kit) . . . . . . . 247
Tyres and wheels Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 235
Tyres service life . . . . . . . . . . . . . . . . . . . . . . . . 232
Tyres tread depth . . . . . . . . . . . . . . . . . . . . . . . 233
Tyres with directional tread pattern . . . . . . . . . 230
UUnderbody maintenance . . . . . . . . . . . . . . . . . 205
Unlocking and locking Personalisation . . . . . . . . . . . . . . . . . . . . . . . 96VVehicle battery . . . . . . . . . . . . . . . . . . . . . . . . . 227
Vehicle data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Vehicle identification data . . . . . . . . . . . . . . . . 270
Vehicle identification number . . . . . . . . . . . . . 270
Vehicle Maintenance
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Vehicle modifications . . . . . . . . . . . . . . . . . . . . 208
Vehicle paintwork Products for vehicle maintenance . . . . . . . 199
Waxing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Vehicle tools Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 Vehicle wallet storage . . . . . . . . . . . . . . . . . . . 136
Vehicle washing . . . . . . . . . . . . . . . . . . . . . . . . 200
Ventilation slits . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Volumetric sensor*
Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Deactivation . . . . . . . . . . . . . . . . . . . . . . . . 102
WWarning lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Warning lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Warning reportsRed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Yellow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Warning texts in the display . . . . . . . . . . . . . . . . 64
Warning triangle and first-aid kit . . . . . . . . . . . 148
Washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Washing by hand . . . . . . . . . . . . . . . . . . . . . . . 200
Washing with high pressure cleaners . . . . . . . 201
Water warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Water in the windscreen washer tank . . . . . . . 222
Wear indicators . . . . . . . . . . . . . . . . . . . . . . . . . 233
Wheel bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Wheel change . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Wheel trims . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Why assume the correct sitting position? . . . . . 30
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