If and when241
Safety First
Controls and equipment
Practical tips
Technical Data
Compact temporary spare wheel* (emergency wheel)
The compact spare wheel (emergency wheel for vehicles
without the anti-puncture kit) should only be used when
strictly necessary.The temporary spare wheel is stored under the floor panel in the luggage
compartment and is attached by a thumbnut.
How to use the compact temporary spare wheel
Should you ever have a punctured tyre, the compact temporary spare wheel
is only intended for temporary use until you can reach a workshop. The
standard-size road wheel should be replaced as soon as possible.
Please note the following restrictions when using the compact temporary
spare wheel. This spare wheel has been specially designed for your vehicle,
thus, it cannot be changed with the spare wheel from another vehicle.
No other type of tyre (normal summer or winter tyre) may be fitted on the
compact temporary spare wheel rim. Snow chains
For technical reasons, snow chains must
not be used on the compact tempo-
rary spare wheel.
If you should have a puncture on one of the front wheels when using snow
chains, fit the compact temporary spare in place of one of the rear wheels.
You can then attach the snow chains to the wheel taken from the rear and use
this wheel to replace the punctured front wheel.
WARNING
•The tyre pressures must be checked and corrected as soon as possible.
The emergency tyre pressure for dimensions 125/70R16 125/70R18
135/90R16 is 4.2 bar; for all other tyre dimensions please refer to the label
on the fuel cap. Failure to do so could result in an accident.•Do not drive faster than 80 km/h. Higher speeds can cause an accident.•Avoid heavy acceleration, hard braking and fast cornering. Risk of acci-
dent.•Never use two or more compact spare tyres at the same time, risk of
accident.•No other type of tyre (normal summer or winter tyre) may be fitted on
the compact temporary spare wheel rim.Note
•Vehicles with Brembo brakes must never use emergency wheels. These
vehicles are supplied with a tyre repair kit.
Fig. 155 Luggage
compartment. Access to
the spare wheel
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If and when
242Tyre repair kit*
The tyre repair kit (for vehicles not including a spare wheel) is
stored under the floor panel in the luggage compartment.Your vehicle is equipped with the Tyre Mobility System “Tyre repair kit”.
The tyre repair kit consists of a container with sealing compound to repair the
puncture and a compressor to generate the required tyre pressure. The kit will
reliably seal punctures up to a size of about 4 mm caused by the penetration
of a foreign body into the tyre.
Note
•Seek professional assistance if the repair of a tyre puncture is not
possible with the sealing compound.Wheel changePreparation work
What you must do before changing a wheel.– If you have a flat tyre or puncture, park the vehicle as far away from the flow of traffic as possible. Choose a location that is as
level as possible.
– All passengers should leave the vehicle. They should wait in a safe area (for instance behind the roadside crash barrier).
– Switch off the engine. Switch on the hazard warning lights.
–Apply the handbrake firmly. – Engage the
first gear, or put the selector lever to position P for
those vehicles with an automatic gearbox.
– If you are towing a trailer, unhitch it from your vehicle.
–Take the vehicle tools and the spare wheel out of the luggage
compartment.
WARNING
Put the hazard warning lights on and place the warning triangle in position.
This is for your own safety and also warns other road users.
Caution
If you have to change the wheel on a gradient, block the wheel opposite the
wheel being changed by placing a stone or similar object under it to prevent
the vehicle from rolling away.
Note
Please observe legal requirements when doing so.Changing a wheelChange the wheel as described below
– Pull off the hub cap . See ⇒page 243, fig. 156 .
– Slacken the wheel bolts.
– Raise the car with the jack in the corresponding zone.
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If and when245
Safety First
Controls and equipment
Practical tips
Technical Data
WARNING
Loosen the wheel bolts only about one turn before raising the vehicle with
the jack, loosening the wheel bolts more than one turn can result in an acci-
dent.
Note
•Do not use the hexagonal socket in the screwdriver handle to loosen or
tighten the wheel bolts.•If the wheel bolt is very tight, you may be able to loosen it by pushing
down the end of the spanner carefully with your foot. Hold on to the vehicle
for support and take care not to slip.Raising the vehicle
In order to remove the wheel, the vehicle must be raised with
a jack.
– Locate the jacking point under the door sill closest to the wheel to be changed ⇒fig. 158 .
– Place the jack under the jacking point and turn the crank until the arm of the jack is directly below the vertical rib under the door
sill.
– Align the jack so that the arm of the jack fits around the rib under the door sill and the movable base plate of the jack is flat on the
ground ⇒fig. 159 .
– Raise the jack until the defective wheel is just clear of the ground.Recesses at the front and rear of the door sills mark the jacking points
⇒ fig. 158 . There is only one jacking point for each wheel. Do not fit the jack
anywhere else.
An unstable surface under the jack may cause the vehicle to slip off the jack.
Therefore, the jack must be fitted on solid ground offering good support. Use
Fig. 158 The jacking
points
Fig. 159 Fitting the jack
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If and when
246a large and stable base, if necessary. On a hard, slippery surface (such as
tiles) use a rubber mat or similar to prevent the jack from slipping.
WARNING
•Take all precautions so that the base of the jack does not slip. Failure to
do so could result in an accident.•The vehicle can be damaged if the jack is not applied at the correct
jacking points. There is also a risk of injury since the jack can slip off
suddenly if it is not properly engaged.
Removing and fitting the wheel
For removal and fitting the wheel, the following tasks must be
completed.After loosening the wheel bolts and raising the vehicle with the jack,
change the wheel as described below: Removing a wheel
– Unscrew the bolts using the
hexagonal tool in the handle of the
screwdriver (vehicle tool) and place them on a clean surface
⇒ fig. 160 .
Fitting a wheel
– Screw in the wheel bolts and tighten them lightly using the hexagonal socket in the screwdriver handle.
The wheel bolts should be clean and easily screwed. Before fitting the spare
wheel, inspect the wheel condition and hub mounting surfaces. These
surfaces must be clean before fitting the wheel.
The hexagonal socket in the screwdriver handle makes it easier to turn the
wheel bolts. The reversible screwdriver blade should be removed when the
tool is used for this purpose.
If tyres with a specific direction of rotation are fitted, note the direction of
rotation.
Note
Do not use the hexagonal socket in the screwdriver handle to loosen or
tighten the wheel bolts.
Fig. 160 Changing the
wheel: Hexagonal socket
in screwdriver handle to
turn the wheel bolts
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If and when
248Notes for the proper use of the air compressor are included in an additional
instruction leaflet.
WARNING
•Do not attempt to repair a puncture with the sealing compound if the
tyre has been damaged by driving the car after the tyre has lost its air.•Always observe warnings and follow instructions concerning
compressor and sealing compound carefully.•Do not drive faster than 80 km/h, avoid heavy acceleration, hard
braking and fast cornering.•Tyres which have been repaired with sealing compound are only suit-
able for temporary use over a short period. Therefore, please drive carefully
to the next available qualified workshop.For the sake of the environment
Used sealing compound containers should be disposed of at a proper facility.
Note
•If sealant should leak out, leave it to dry. When it has dried, you can pull
it off like a piece of foil.•Observe the expiry date stated on the sealing compound can. Have the
sealing compound exchanged by a qualified workshop.•Seek professional assistance if the repair of a tyre puncture is not
possible with the sealing compound.
Preparation work
Certain steps must be taken before repairing a tyre.– If you have a flat tyre or puncture, park the vehicle as far away from the flow of traffic as possible.
–Apply the handbrake firmly.
–Engage first gear, or put the selector lever to position P.
– All passengers should leave the vehicle. They should wait in a
safe area (for instance behind the roadside crash barrier).
– Check whether a repair is possible using the Tyre Mobility System “General information and safety notes.”
– Unscrew inflation cap from the affected wheel.
–Take the tyre repair kit out of the luggage compartment.
WARNING
Put the hazard warning lights on and place the warning triangle in position.
This is for your own safety and also warns other road users.
Caution
Take special care if you have to repair a tyre on a slope.
Note
Please observe legal requirements when doing so.
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General notes on the technical data
272Towing a trailerTrailer weightsTrailer weights
The trailer weights and drawbar loads approved are selected in intensive
trials according to precisely defined criteria. The approved trailer weights are
valid for vehicles in the EU for maximum speeds of 80 km/h (in certain
circumstances up to 100 km/h). The figures may be different in other coun-
tries. All data in the official vehicle documents take precedence over these
data ⇒ .
Drawbar load
The maximum permitted weight exerted by the trailer drawbar on the ball joint
of the towing bracket must not exceed 75 kg.
In the interest of road safety, we recommend that you always tow
approaching the maximum drawbar load. The response of the trailer on the
road will be poor if the drawbar load is too small.
If the maximum permissible drawbar load cannot be met (e.g. with small,
empty and light-weight single axle trailers o r ta n d e m a x l e t r a i l e r s wi t h a n a x le
base of less than 1 metre), at least 4% of the actual trailer weight is a legal
stipulation for a drawbar load.
WARNING
•For safet y reas ons , d o not excee d the 8 0 k m/h limit . Th is is als o valid in
countries where higher speeds are permitted.•Never exceed the maximum trailer weights or the draw bar loading. If
the permissible axle load or the permissible total weight is exceeded, the
driving characteristics of the vehicle may change, leading to accidents,
injuries and damage to the vehicle.
WheelsTyre pressure, snow chains, wheel boltsTyre pressures
The sticker with the tyre pressure values can be found on the inside of the
tank flap. The tyre pressure values given there are for cold tyres. The slightly
raised pressures of warm tyres must not be reduced ⇒.
Snow chains
Snow chains may be fitted only to the front wheels.
Consult the chapter “wheels” of this manual.
Wheel bolts
After the wheels have been changed, the tightening torque of the wheel bolts
s ho uld b e che cke d as s o on as p ossible wit h a to rqu e w re nch ⇒ . The tight-
ening torque for steel and alloy wheels is 120 Nm.
WARNING
•Check the tyre pressure at least once per month. Checking tyre pressure
value is very important. If the tyre pressure is too high or too low, there is
an increased danger of accidents, particularly at high speeds.•If the torque of the wheel bolts is too low, they could loosen while the
vehicle is in motion. Risk of accident! If the tightening torque is too high,
the wheel bolts and threads can be damaged.Note
We recommend that you ask your Authorised Service Centre for information
about appropriate wheel, tyre and snow chain size.
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Technical Data291
Safety First
Controls and equipment
Practical tips
Technical Data
Dimensions and capacitiesDimensions
Capacities
Tyre pressureLength, width
4,315 mm/ 1,768 mm
Height at kerb weight 1,459 mm
Front and rear projection 949 mm/ 788 mm
Wheelbase 2,578 mm
Turning circle 10.7 m
Track width
a)
a)This data will change depending on the type of wheel rim.
Front Rear
1,525 mm 1,509 mm
1,539 mm 1,523 mm
Fuel tank 55 l. Reserve 7 l.
Windscreen washer fluid container with headlight washer 3 l/ 5.5 l
Summer-grade tyres:
The correct tyre pressure can be seen on the sticker on the inside of the tank flap.
Winter tyres:
The pressure of these tyres is the same as the summer tyre pressure plus 0.2 bar.
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Index
294Braking distance . . . . . . . . . . . . . . . . . . . . . . . . 188
Bulb changes
general notes . . . . . . . . . . . . . . . . . . . . . . . 254
Bulb defect warning lamp . . . . . . . . . . . . . . . . . . . . . . . . . 82
Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118, 157CCar care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 189
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Automatic locking system for involuntary unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Automatic speed dependent locking and un- locking system* . . . . . . . . . . . . . . . . . . . . . 95
Emergency unlocking system . . . . . . . . . . . . 95
Selective unlocking system* . . . . . . . . . . . . 94
Unlocking system* . . . . . . . . . . . . . . . . . . . . 95
Central locking button Central locking . . . . . . . . . . . . . . . . . . . . . . . 96
unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Centre console with drinks holder . . . . . . . . . . 135
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 214
Changing gear See Manual gearbox . . . . . . . . . . . . . . . . . . 165
Changing gear with the Tiptronic gear system 169
Changing the lamps Main headlight lamps . . . . . . . . . . . . . . . . . 255
rear lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Changing the main headlight lamps
dipped beam lights . . . . . . . . . . . . . . . . . . . 256
main beam lights . . . . . . . . . . . . . . . . . . . . 257
Side lights . . . . . . . . . . . . . . . . . . . . . . . . . . 258
turn signal lamps . . . . . . . . . . . . . . . . . . . . 256
Changing the rear light lamps Position light, fog light and rear light on the tailgate . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Changing the rear lights Indicator, side and brake lights on the bodywork . . . . . . . . . . . . . . . . . . . . . . . . . 259
luggage compartment lights . . . . . . . . . . . 261
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 270
Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Checking battery electrolyte level . . . . . . . . . . 230
Checking engine oil level . . . . . . . . . . . . . . . . . 219
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Categorisation in groups . . . . . . . . . . . . . . . 46
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 46
ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 49
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Child seats on the front passenger seat . . . . . . . . . . . . . 30
Cigarette lighter* . . . . . . . . . . . . . . . . . . . . . . . . 137
Cleaning alloy wheel rims . . . . . . . . . . . . . . . . 202
Cleaning and caring for your vehicle . . . . . . . . 197 Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . . 201
Cleaning engine compartment . . . . . . . . . . . . . 203
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 202
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . . 200
Climatic* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Climatronic
General notes . . . . . . . . . . . . . . . . . . . . . . . 153
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Cloth seat covers cleaning . . . . . . . . . . . . . . . . 204
Clothes hook . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Coming/leaving home function . . . . . . . . . . . . 114
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Control lighting . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Controls Electric windows . . . . . . . . . . . . . . . . . . . . . 106
Light switches . . . . . . . . . . . . . . . . . . . . . . . 111
Convenience closing Sliding/tilting roof . . . . . . . . . . . . . . . . . . . 109
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Convenience opening Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . 222, 223 Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Coolant Level . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Coolant level warning light . . . . . . . . . . . . . . . . . . . . . . . . . 77
Coolant Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
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