
217
If and when
WARNING
Switch on the hazard warning lights and place the warning triangles in
position. This is for your own safety and also warns other road users.
CAUTION
If you have to change the wheel on a slope, it is essential to lock the parallel
wheel on the same axle as that to be changed, with a wedge or similar in
order to immobilise the vehicle.
Note
Please observe legal requirements when doing so.
Changing a wheel
Change the wheel as described below
– Remove the hub caps or the integral trim .
– Slacken the wheel bolts .
– Raise the car with the jack at the corresponding point.
– Remove the wheel and then fit the spare wheel.
– Lower the vehicle.
– Tighten the wheel bolts firmly with the box spanner.
– Replace the hub cap. After changing a wheel
After changing the wheel there are still tasks to complete.
– Put the tools and jack back in the luggage compartment.
– Place the wheel with the defective tyre in the luggage compart-
ment and secure it.
– Check the tyre pressure of the newly fitted tyre as soon as pos-
sible.
– Have the tightening torque of the wheel bolts checked as soon
as possible with a torque wrench. The prescribed torque must
be 120 Nm.
Note
● If you notice that the wheel bolts are corroded and difficult to turn when
changing a wheel, they must be replaced before having the wheel bolt tor-
que checked.
● For safety reasons, drive at moderate speeds until the wheel bolt tight-
ening torque has been checked.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

218If and when
Wheel covers*
The wheel covers must be removed for access to the wheel
bolts
Fig. 135 Remove the
complete hub cap
Removing
– Remove the wheel cover using the wire hook ⇒ fig. 135.
– Hook this into one of the cut-outs of the wheel cover.
Fitting
– Fit the wheel cover onto the wheel rim by pressing it firmly. Put
pressure initially on the point of the cut-out for the valve. Next
fit the rest of the hubcap Loosening the wheel bolts
The wheel bolts must be loosened before raising the vehicle.
Fig. 136 Changing the
wheel: loosen the wheel
bolts
Loosening
– Fit the box spanner as far as it will go over the wheel bolt.
– Grasp the box spanner by the end turn it about one full turn to
the left ⇒ fig. 136.
Tightening
– Fit the box spanner as far as it will go over the wheel bolt.
– Grasp the box spanner close to the end and turn the bolt to the
right until it is secured.
– An adapter is required to unscrew or tighten the anti-theft
wheel bolts.

Central lock buttonLocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Automatic speed dependent locking andunlocking system* . . . . . . . . . . . . . . . . . . 79
Locking system for involuntary unlocking . 79
Selective unlocking system* . . . . . . . . . . . . 78
Unlocking system* . . . . . . . . . . . . . . . . . . . . 79
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 192
Changing bulbs interior light and reading light . . . . . . . . . 239
Changing bulbs on tail lights . . . . . . . . . 237, 238
Changing gear see Manual gearbox . . . . . . . . . . . . . . . . . . 144
Changing gear in tiptronic mode . . . . . . . . . . 149
Changing single headlight bulbs Turn signal bulb . . . . . . . . . . . . . . . . . . . . . 228
Changing the AFS headlight bulbs Xenon lights . . . . . . . . . . . . . . . . . . . . . . . . 234
Changing the bulbs AFS headlight bulbs . . . . . . . . . . . . . . . . . . 234
fog light bulbs . . . . . . . . . . . . . . . . . . . . . . 235
luggage compartment light . . . . . . . . . . . . 240
number plate light . . . . . . . . . . . . . . . . . . . 239
Side turn signal lights . . . . . . . . . . . . . . . . 238
Changing the main headlight bulb turn signal lights . . . . . . . . . . . . . . . . . . . . 232
Changing the main headlight bulbs turn signal lights . . . . . . . . . . . . . . . . . . . . 234
Changing the single headlight bulbs Dipped/main beam . . . . . . . . . . . . . . . . . . 229
Side light . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Changing windscreen wiper blades . . . . . . . . 203
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 247
Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Checking battery electrolyte level . . . . . . . . . . 208
Checking engine oil level . . . . . . . . . . . . . . . . . 197
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Categorisation in groups . . . . . . . . . . . . . . . 44
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 44
ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 47
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 42
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Child seats on the front passenger seat . . . . . . . . . . . . . 30
Top Tether system . . . . . . . . . . . . . . . . . . . . 48
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . . 121
Cleaning alloy wheel rims . . . . . . . . . . . . . . . . 179
Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . 178
Cleaning engine compartment . . . . . . . . . . . . 180
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 179
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . 177
Climatronic automatic mode . . . . . . . . . . . . . . . . . . . . . 132
controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
General notes . . . . . . . . . . . . . . . . . . . . . . . 133
manual mode . . . . . . . . . . . . . . . . . . . . . . . 132
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Cloth seat covers cleaning . . . . . . . . . . . . . . . . 181
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Coming Home function . . . . . . . . . . . . . . . . . . . 97
Compartment for on-board documentation . . 117
Control
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 108
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Control lighting . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Controls Electric windows . . . . . . . . . . . . . . . . . . . . . . 89
Convenience closing Sliding/tilting sunroof . . . . . . . . . . . . . . . . . 92
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Convenience opening Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 72
Coolant loss . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Coolant temperature Safety instructions . . . . . . . . . . . . . . . . . . . . 72
Correct adjustment of front head restraints . . . 13
Correct sitting position Front passenger . . . . . . . . . . . . . . . . . . . . . . 12
Incorrect sitting position . . . . . . . . . . . . . . . 14
Cruise control Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
Cruise control system . . . . . . . . . . . . . . . . . . . . 157
Cruise speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 69
268 Index

RRadio frequency remote control . . . . . . . . . . . . 82 Changing the battery . . . . . . . . . . . . . . . . . . 83
Rain sensor* . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Rear cup holder* . . . . . . . . . . . . . . . . . . . . . . . 120
Rear fog light Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 94
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 67
Rear head restraints . . . . . . . . . . . . . . . . . . . . . . 14
Rear pilot lights . . . . . . . . . . . . . . . . . . . . . . . . 237
Rear seat folding down . . . . . . . . . . . . . . . . . . . . . . . . 115
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Rear shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Rear view mirrors . . . . . . . . . . . . . . . . . . . . . . . 106
Rear window automatic wiper/washer . . . . . . 105
Rear window heating Heating element wires . . . . . . . . . . . . . . . . 178
Rear window wiper . . . . . . . . . . . . . . . . . . . . . . 105
Recommended gear display . . . . . . . . . . . . . . . 56
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Remote control key Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Synchronising . . . . . . . . . . . . . . . . . . . . . . . . 83
Removing and fitting the wheel . . . . . . . . . . . 220
Repairs Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Replacement keys . . . . . . . . . . . . . . . . . . . . . . . 81
Replacement of parts . . . . . . . . . . . . . . . . . . . . 183
Rev counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Reverse gear
Manual gearbox . . . . . . . . . . . . . . . . . . . . . 144
Roll-back function Panorama/ tilting sunroof . . . . . . . . . . . . . . 93
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Roof aerial* . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Roof rack* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Rubber seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Running in Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
S Safe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Safe driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safe security system . . . . . . . . . . . . . . . . . . . . . 77
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Safety equipment . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety instructions Coolant temperature . . . . . . . . . . . . . . . . . . 72
Safety notes Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Deactivating front passenger airbag . . . . . . 41
Front airbags . . . . . . . . . . . . . . . . . . . . . . . . 36
Seat belt tensioners . . . . . . . . . . . . . . . . . . . 27
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . . 38
Using child seats . . . . . . . . . . . . . . . . . . . . . 42
Using seat belts . . . . . . . . . . . . . . . . . . . . . . 22
Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Seat adjustment . . . . . . . . . . . . . . . . . . . . 110, 113
Seat belt cleaning . . . . . . . . . . . . . . . . . . . . . . 182 Seat belt position
Pregnant women . . . . . . . . . . . . . . . . . . . . . 25
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Seat belt protection . . . . . . . . . . . . . . . . . . . . . . 22
Seat belt release . . . . . . . . . . . . . . . . . . . . . . . . 26
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Incorrectly fastened . . . . . . . . . . . . . . . . . . . 27
Not worn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 22
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 18
Seat belt tensioner Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 30
Seat belt warning lamp . . . . . . . . . . . . . . . . . . . 18
Seat heating . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Selective opening* . . . . . . . . . . . . . . . . . . . . . . . 78
Semiautomatic air conditioning controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Service interval display . . . . . . . . . . . . . . . . . . . 59
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Description . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 38
Side lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Single headlight bulb . . . . . . . . . . . . . . . . . . . 228
Sitting position Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Front passenger . . . . . . . . . . . . . . . . . . . . . . 11
Sitting position, occupants . . . . . . . . . . . . . . . . 10
Snow chains . . . . . . . . . . . . . . . . . . . . . . . 214, 249
272 Index