
Wheels and tyres255
Safety First
Operating Instructions
Practical Tips
Technical Specifications
Wheel bolts
Wheel bolts must be tightened to the correct torque.The design of wheel bolts is matched to the rims. If different wheel rims are 
fitted, the correct wheel bolts with the right length and correctly shaped bolt 
heads must be used. This ensures that wheels are fitted securely and that the 
brake system functions correctly.
In certain circumstances, you should not use wheel bolts from a different 
vehicle, even if it is the same model  ⇒page 224.
After the wheels have been changed, the tightening torque of the wheel bolts 
s ho uld  b e  ch ecke d  as  so on  as  possi ble  wi th a  to rq ue  wre nch ⇒ . The tight-
ening torque for steel and alloy wheels is 120 Nm.
WARNING
If the wheel bolts are not tightened correctly, the wheel could become 
loose while driving. Risk of accident.•The wheel bolts must be clean and turn easily. Never apply grease or oil 
to them.•Use only wheel bolts which belong to the wheel.•If the torque of the wheel bolts is too low, they could loosen whilst the 
vehicle is in motion. Risk of accident! If the tightening torque is too high, 
the wheel bolts and threads can be damaged.Caution
The prescribed tightening torque for wheel bolts for steel and alloy wheels is 
120 Nm.
Winter tyres
Winter tyres will improve the vehicles handling on snow and 
ice.In winter conditions winter tyres will considerably improve the vehicle’s 
handling. The design of summer tyre s (width, rubber compound, tread 
pattern) gives less grip on ice and snow.
Winter tyres must be inflated to a  pressure 0.2 bar higher than the pressures 
specified for summer tyres (see sticker on tank flap).
Winter tyres must be fitted on all four wheels.
Information on permitted  winter tyre sizes can be found in the vehicle’s regis-
tration documents. Use only radial winter tyres. All tyre sizes listed in the 
vehicle documentation also apply to winter tyres.
Winter tyres lose their effectiveness when the tread is worn down to a depth 
of 4 mm.
The speed rating code  ⇒page 254, “New tyres and wheels” determines the 
following  speed limits  for winter tyres:  ⇒
Q max. 160 km/h
S max. 180 km/h
T max. 190 km/h
H max. 210 km/h
In some countries, vehicles which can exceed the speed rating of the fitted 
tyre must have an appropriate sticker in the driver’s field of view. These 
stickers are available from your Authorised Service Centre. The legal require-
ments of each country must be followed.
Do not have winter tyres fitted for unnecessarily long periods. Vehicles with 
summer tyres handle better when the roads are free of snow and ice.
If you have a flat tyre, please refer to the notes on the spare wheel 
⇒ page 254, “New tyres and wheels”.
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If and when265
Safety First
Operating Instructions
Practical Tips
Technical Specifications
– Insert the adapter onto the wheel bolt and push it on as far as it 
will go ⇒ page 264, fig. 180 .
– Fit the box spanner as far as it will go over the adapter.
– Loosen or tighten the wheel bolt as appropriate.Code
The code number of the anti-theft wheel bolt is stamped onto the front part of 
the adaptor.
The code number should be noted and kept in a safe place, as it is only by 
using the code number that a duplicate adaptor can be obtained from an 
Authorised Service Centre.Tyres with directional tread pattern
Tyres with directional tread pattern must be fitted so that they 
rotate in the correct direction.A directional tread pattern can be identified by arrows on the sidewall that 
point in the direction of rotation. Always note the direction of rotation indi-
cated when fitting the wheel. This is important so that these tyres can give 
maximum grip and avoid excessive noise, tread wear and aquaplaning.
If, in an emergency, you have to fit the spare wheel so it rotates in the wrong 
direction, you must drive extremely carefully. The tyre will not give optimum 
performance. This is particularly important when driving on wet roads.
To benefit from the advantages of tyres with this type of tread pattern, the 
defective tyre should be replaced as soon as possible so that all tyres again 
rotate in the correct direction.
Tyre repair kit* (Tyre Mobility System)General information and safety notesYour vehicle is equipped with a tyre repair kit: the  Ty re  Mo bil it y  Syste m.
In the event of a tyre puncture, a sealing compound  and an air compressor are 
located in the luggage compartment under the floor panel.
The Tyre Mobility System will reliably seal punctures caused by the penetra-
tion of a foreign body of up to about 4 mm in diameter.
It is not necessary to remove the foreign body from the tyre.
Instructions for the sealing compound are located on the sealing compound 
container.
You will also find instructions for operating the compressor.
WARNING
•Do not attempt to repair a puncture with the sealing compound if the 
tyre has been damaged by driving the vehicle 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 specialised workshop.
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Index
312Tank
Fuel level  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
Reserve indicator  . . . . . . . . . . . . . . . . . . . . .  58
Tank capacity . . . . . . . . . . . . . . . . . . . . . . . . .  58
TCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  198
TCS (Traction control system) Warning lamp  . . . . . . . . . . . . . . . . . . . . . . . .  89
Technical modifications  . . . . . . . . . . . . . . . . . .  224
The danger of not using the seat belt  . . . . . . . .  22
Tightening torque of wheel bolts . . . . . . . . . . .  290
Tilting sunroof . . . . . . . . . . . . . . . . . . . . . . . . . .  115
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  257
Top Tether system . . . . . . . . . . . . . . . . . . . . . . . .  52
Tow starting General notes  . . . . . . . . . . . . . . . . . . . . . . .  284
Towing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  284
Towing a trailer  . . . . . . . . . . . . . . . . . . . . . . . . .  289
Towing bracket  . . . . . . . . . . . . . . . . . . . . . . . . .  212
Towing bracket, fitting  . . . . . . . . . . . . . . . . . . .  213
Towing eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  284
Towing eyes . . . . . . . . . . . . . . . . . . . . . . . . . . . .  286
Tow-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . .  284
Traction control system Warning lamp  . . . . . . . . . . . . . . . . . . . . . . . .  89
Trailer Trailer towing . . . . . . . . . . . . . . . . . . . . . . . .  211
Trailer turn signals Warning lamp  . . . . . . . . . . . . . . . . . . . . . . .  125
Trailer weights . . . . . . . . . . . . . . . . . . . . . . . . . .  289 Turn signals . . . . . . . . . . . . . . . . . . . . . . . . . . . .  125
Indicator lamp . . . . . . . . . . . . . . . . . . . . . . . .  83
Warning lamp  . . . . . . . . . . . . . . . . . . . . . . .  125
Tyre Mobility System (Tyre repair kit) . . . . . . . .  265
Tyre Mobility-System (Tyre repair kit)  . . . . . . .  258
Tyre pressure . . . . . . . . . . . . . . . . . . . . . . . . . . .  249 Loss  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  251
Tyre pressure monitoring  . . . . . . . . . . . . . . . . .  250
Tyre pressure warning lamp . . . . . . . . . . . . . . . .  85
Tyre pressures . . . . . . . . . . . . . . . . . . . . . . . . . .  290
Tyre repair kit . . . . . . . . . . . . . . . . . . . . . . . 258, 265
Tyres and wheels Dimensions  . . . . . . . . . . . . . . . . . . . . . . . . .  254
Tyres service life  . . . . . . . . . . . . . . . . . . . . . . . .  251
Tyres tread depth  . . . . . . . . . . . . . . . . . . . . . . .  252
Tyres with directional tread pattern . . . . . . . . .  249
UUnderbody protection . . . . . . . . . . . . . . . . . . . .  220
Unlocking and locking Personalisation . . . . . . . . . . . . . . . . . . . . . .  103VVehicle battery  . . . . . . . . . . . . . . . . . . . . . . . . .  246
Vehicle data . . . . . . . . . . . . . . . . . . . . . . . . . . . .  288
Vehicle identification data . . . . . . . . . . . . . . . .  288
Vehicle identification number  . . . . . . . . . . . . .  288
Vehicle MaintenanceExterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  216 Vehicle modifications . . . . . . . . . . . . . . . . . . . .  224
Vehicle paintwork
Maintenance  . . . . . . . . . . . . . . . . . . . . . . . .  217
Products for vehicle maintenance . . . . . . .  215
Vehicle tools Storage  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  257
Vehicle washing  . . . . . . . . . . . . . . . . . . . . . . . .  216
Ventilation slits . . . . . . . . . . . . . . . . . . . . . . . . . .  17
Volumetric sensor* Activation . . . . . . . . . . . . . . . . . . . . . . . . . . .  109
Deactivation  . . . . . . . . . . . . . . . . . . . . . . . .  109
WWarning lamp  . . . . . . . . . . . . . . . . . . . . . . . . . . .  31
Warning lamps  . . . . . . . . . . . . . . . . . . . . . . . . . .  77
Warning messages in the display  . . . . . . . . . . .  66
Warning reportsRed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66, 80
Yellow  . . . . . . . . . . . . . . . . . . . . . . . . . . . 66, 81
Warning symbols  . . . . . . . . . . . . . . . . . . . . . . . .  80
Warning triangle  . . . . . . . . . . . . . . . . . . . . . . . .  155
Washer fluid  . . . . . . . . . . . . . . . . . . . . . . . . . . .  241
Washing by hand  . . . . . . . . . . . . . . . . . . . . . . .  216
Washing with high pressure cleaners . . . . . . .  217
Water Warning message . . . . . . . . . . . . . . . . . . . . .  67
Water in the windscreen washer tank  . . . . . . .  241
Wear indicators . . . . . . . . . . . . . . . . . . . . . . . . .  252
Wearing suitable shoes  . . . . . . . . . . . . . . . . . . .  16
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