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Vehicle care265Incorrect tyre pressures will impair
safety, vehicle handling, comfort and
fuel economy and will increase tyre
wear.
Tyre pressures differ depending on
various options. For the correct tyre
pressure value, follow the procedure
below:
1. Identify drive axle and body style.2. Identify the engine identifier code.
Engine data 3 294.
3. Identify the respective tyre.
The tyre pressure tables show all
possible tyre combinations 3 304.
For the tyres approved for your
vehicle, refer to the EEC Certificate of Conformity provided with your vehicle
or other national registration
documents.
The driver is responsible for correct
adjustment of tyre pressure.9 Warning
If the pressure is too low, this can
result in considerable tyre warm-
up and internal damage, leading to tread separation and even to tyre
blow-out at high speeds.
9 Warning
For specific tyres the
recommended tyre pressure as
shown in the tyre pressure table may exceed the maximum tyre
pressure as indicated on the tyre.
Never exceed the maximum tyre
pressure as indicated on the tyre.
After adjusting tyre pressure, select
the according tyre loading setting on
the page Tyre load in the Driver
Information Centre, 3 114.
Temperature dependency The tyre pressure depends on the
temperature of the tyre. During
driving, tyre temperature and
pressure increase. Tyre pressure
values provided on the tyre
information label and tyre pressure
chart are valid for cold tyres, which
means at 20 °C.
The pressure increases by nearly
10 kPa for a 10 °C temperature
increase. This must be considered
when warm tyres are checked.
The tyre pressure value displayed in
the Driver Information Centre shows
the real tyre pressure. A cooled down
tyre will show a decreased value,
which does not indicate an air leak.
Tyre pressure monitoringsystem
The tyre pressure monitoring system
checks the pressure of all four wheels once a minute when vehicle speed
exceeds a certain limit.Caution
Tyre pressure monitoring system
warns just about low tyre pressure condition and does not replace
regular tyre maintenance by the
driver.
Page 285 of 329

Vehicle care283Ice residues, pollution and continuous
wiping on dry windows will damage or
even destroy the wiper blades.
Sunroof Never clean with solvents or abrasive
agents, fuels, aggressive media
(e.g. paint cleaner, acetone-
containing solutions etc.), acidic or
highly alkaline media or abrasive
pads. Do not apply wax or polishing
agents to the sunroof.
Wheels and tyres
Do not use high-pressure jet
cleaners.
Clean rims with a pH-neutral wheel
cleaner.
Rims are painted and can be treated
with the same agents as the body.
Paintwork damageRectify minor paintwork damage with
a touch-up pen before rust forms.
Have more extensive damage or rust
areas repaired by a workshop.Underbody
Some areas of the vehicle underbody
have a PVC undercoating while other
critical areas have a durable
protective wax coating.
After the underbody is washed, check
the underbody and have it waxed if
necessary.
Bitumen/rubber materials could
damage the PVC coating. Have
underbody work carried out by a
workshop.
Before and after winter, wash the
underbody and have the protective
wax coating checked.
Liquid gas system9 Danger
Liquid gas is heavier than air and
can collect in sink points.
Take care when performing work
at the underbody in a pit.
For painting work and when using a
drying booth at a temperature above
60 °C, the liquid gas tank must be
removed.
Do not make any modifications to the
liquid gas system.
Towing equipment
Do not clean the coupling ball bar with a steam-jet or high-pressure jet
cleaner.
Interior care
Interior and upholstery
Only clean the vehicle interior,
including the instrument panel fascia
and panelling, with a dry cloth or
interior cleaner.
Clean the leather upholstery with
clear water and a soft cloth. In case of heavy soiling, use leather care.
The instrument cluster and the
displays should only be cleaned using
a soft damp cloth. If necessary use a
weak soap solution.
Page 325 of 329

323Child restraints.............................. 64
Child restraint systems ................64
Climate control ............................. 16
Clock............................................. 93
Collision damage repair ..............314
Control indicators........................ 107
Control of the vehicle .................163
Controls ........................................ 89
Convex shape .............................. 37
Coolant and antifreeze ...............286
Cruise control ....................113, 189
Cupholders .................................. 73
Curtain airbag system .................. 62
Curve lighting.............................. 140
D Danger, Warnings and Cautions ...4
Daytime running lights ...............140
Declaration of conformity ............310
DEF ............................................ 172
Diesel exhaust fluid ....................172
Diesel fuel system bleeding .......246
Diesel particle filter ....................170
Door open .................................. 113
Doors ............................................ 28
Driver assistance systems ..........189
Driver Information Centre ...........114
Driving characteristics and towing tips .............................. 235
Driving hints ................................ 163E
Electric adjustment ......................37
Electrical system......................... 257
Electric parking brake .........109, 181
Electric parking brake fault .........109
Electronic climate control system 153
Electronic key system ...................22
Electronic Stability Control.......... 185
Electronic Stability Control and Traction Control system ..........110
Electronic Stability Control off..... 110
End-of-life vehicle recovery .......240
Engine compartment fuse box ...258
Engine coolant ........................... 243
Engine coolant temperature ......111
Engine coolant temperature gauge ..................................... 106
Engine data ............................... 294
Engine exhaust .......................... 170
Engine identification ...................290
Engine oil ................... 242, 286, 291
Engine oil pressure ....................111
Entry lighting .............................. 147
Event data recorders ..................317
Exit lighting ................................ 147
Exterior care .............................. 281
Exterior light ............................... 112
Exterior lighting ....................13, 136
Exterior mirrors ............................. 37F
First aid kit ................................... 84
Fixed air vents ........................... 160
Fog light ..................................... 112
Fog lights ................................... 249
Folding mirrors ............................. 37
Following distance ......................110
Following distance indication ......202
Forward collision alert................. 200
Front airbag system .....................61
Front fog lights ........................... 144
Front pedestrian protection ........206
Front seats.................................... 47
Front storage ................................ 74
Fuel............................................. 231
Fuel for diesel engines ..............232
Fuel for petrol engines ...............231
Fuel gauge ................................. 105
Funnel......................................... 233
Fuses ......................................... 257
G Gauges ....................................... 103
Gear shifting ............................... 110
General information ...................235
Glovebox ..................................... 73
H Halogen headlights ....................247
Hand brake ................................. 180
Hazard warning flashers ............143