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Vehicle care245Wheels and tyresTyre condition, wheel condition
Drive over edges slowly and at right
angles if possible. Driving over sharp
edges can cause tyre and wheel
damage. Do not trap tyres on the kerb
when parking.
Regularly check the wheels for
damage. Seek the assistance of a
workshop in the event of damage or
unusual wear.
Winter tyres Winter tyres improve driving safety attemperatures below 7 °C and should
therefore be fitted on all wheels.
In accordance with country-specific
regulations, affix the speed sticker in
the driver's field of view.Tyre designations
E.g. 215/60 R 16 95 H215=Tyre width, mm60=Cross-section ratio (tyre
height to tyre width), %R=Belt type: RadialRF=Type: RunFlat16=Wheel diameter, inches95=Load index e.g. 95 is
equivalent to 690 kgH=Speed code letter
Speed code letter:
Q=up to 100 mphS=up to 112 mphT=up to 118 mphH=up to 130 mphV=up to 150 mphW=up to 168 mph
Tyre pressure
Check the pressure of cold tyres at
least every 14 days and before any
long journey. Do not forget the spare
wheel. This also applies to vehicles
with tyre pressure monitoring system.
Unscrew the valve cap.
Tyre pressure 3 283.
The tyre and loading information label on the front left or right door frame
indicates the original equipment tyres
and the correspondent tyre
pressures.
The tyre pressure data refers to cold
tyres. It applies to summer and winter tyres.
Always inflate the spare tyre to the
pressure specified for full load.
The ECO tyre pressure serves to
achieve the smallest amount of fuel
consumption possible.
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248Vehicle care
The use of commercially available
liquid tyre repair kits can impair the
function of the system. Factory-
approved repair kits can be used.
External high-power radio equipment
could disrupt the tyre pressure
monitoring system.
Each time the tyres are replaced, tyre pressure monitoring system sensors
must be dismounted and serviced.
For the screwed sensor, replace
valve core and sealing ring. For
clipped sensor, replace complete
valve stem.
Vehicle loading status Adjust tyre pressure to load condition according to the tyre information labelor tyre pressure chart 3 283, and
select the appropriate setting in the
menu Tire Load in the Driver
Information Centre, Vehicle
Information Menu 3 115.
Select:
■ Light for comfort pressure up to
3 people
■ Eco for Eco pressure up to
3 people
■ Max for full loading
Auto learn function
After changing wheels, the vehicle
must be stationary for approx.
20 minutes, before the system
recalculates. The following relearn
process takes up to 10 minutes of
driving with a minimum speed of
12 mph. In this case $ can be
displayed or pressure values can
swap in the Driver Information Centre.
If problems occur during the relearn
process, a warning message is
displayed in the Driver Information
Centre.
Temperature dependency Tyre pressure depends on the
temperature of the tyre. During
driving, tyre temperature and
pressure increase.
The tyre pressure value displayed in
the Driver Information Centre shows
the actual tyre pressure. Therefore it
is important to check tyre pressure
with cold tyres.
Tread depth Check tread depth at regular
intervals.
Tyres should be replaced for safety
reasons at a tread depth of 2-3 mm (4 mm for winter tyres).
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256Vehicle care
The spare wheel has a steel rim.Caution
The use of a spare wheel that issmaller than the other wheels or in combination with winter tyres
could affect driveability. Have the defective tyre replaced as soon as
possible.
The spare wheel is located in a holder
beneath the vehicle floor.
1. Open the stowage in the load compartment 3 244.
2. Remove both caps above the hexagon bolts.
3. Fit the wheel wrench on onehexagon bolt and turn it anti-
clockwise until a resistance is
noticeable.
4. Proceed with the other hexagon bolt in the same way.5. Lift the spare wheel holder andunhook both catches.
6. Lower the spare wheel holder.
7. Detach the safety cable.
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294
Tow bar....................................... 216
Towing ................................ 216, 260
Towing another vehicle .............261
Towing equipment .....................217
Towing the vehicle .....................260
Traction Control system ............. 174
Traction Control system off......... 112
Traffic sign assistant ...................202
Trailer coupling ........................... 216
Trailer stability assist .................220
Trailer towing ............................. 217
Transmission ............................... 16
Transmission display .................167
Tread depth ............................... 248
Trip computer ............................ 125
Trip odometer ............................ 102
Turn and lane-change signals ...143
Turn signal ................................. 108
Tyre chains ................................ 250
Tyre designations ......................245
Tyre pressure ............................ 245
Tyre pressure monitoring system ............................. 113, 246
Tyre pressures ........................... 283
Tyre repair kit ............................. 250
U Ultrasonic parking assist ...111, 192
Underseat storage .......................66
Upholstery .................................. 264Upshift........................................ 111
Using this manual ..........................3
V Vehicle battery ........................... 226
Vehicle checks............................ 222
Vehicle data ................................ 271
Vehicle data recording and privacy ..................................... 287
Vehicle detected ahead ..............114
Vehicle dimensions .................... 281
Vehicle Identification Number ....269
Vehicle jack ................................ 244
Vehicle messages .....................121
Vehicle personalisation .............128
Vehicle security ............................ 25
Vehicle specific data ......................3
Vehicle storage ........................... 221
Vehicle tools ............................... 244
Vehicle unlocking ........................... 6 Vehicle weight ........................... 279
Ventilation ................................... 148
W
Warning chimes .........................124
Warning lights ............................. 102
Warning triangle .......................... 90
Washer and wiper systems .........14
Washer fluid ............................... 225
Wheel changing .........................253Wheel covers ............................. 249
Wheels and tyres .......................245
Windows ....................................... 30
Windscreen................................... 30 Windscreen wiper/washer ...........96
Winter tyres ............................... 245
Wiper blade replacement ..........228