Wheels and tyres227
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
heads must be used. This ensures that wheels are fitted securely and that the
brake system functions correctly.
In certain circumstances, you may not
use wheel bolts from a different car -
even if it is the same model ⇒page 199.
After the wheels have been changed, the tightening torque of the wheel bolts
should be checked as soon as possible with a torque wrench ⇒. 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 could be damaged.Caution
The prescribed 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 vehicles
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 225, “New tyres and wheels” determines the
following speed limits: ⇒ ⇒
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 225, “New tyres and wheels”.
WARNING
The maximum speed for the winter tyres must not be exceeded. Otherwise,
this could lead to tyre damage and thus, an accident risk.
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Index
294Engine coolant . . . . . . . . . . . . . . . . . . . . . . . . . 212
Engine fault
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine management Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Checking level . . . . . . . . . . . . . . . . . . . . . . . 209
Oil properties . . . . . . . . . . . . . . . . . . . . . . . . 208
Specifications . . . . . . . . . . . . . . . . . . . . . . . 207
Topping up . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Engine oil dipstick . . . . . . . . . . . . . . . . . . . . . . . 209
Engine oil pressure Warning lamp . . . . . . . . . . . . . . . . . . . . . 64, 78
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Environmental friendliness . . . . . . . . . . . . . . . 184
Environmental tip Avoiding pollution . . . . . . . . . . . . . . . . . . . . 202
ESP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81, 173
Example of menu use Open the configuration menu . . . . . . . . . . . 67
Program a speed limit warning . . . . . . . . . . 67
To activate and deactivate the speed limit warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Examples of menu use Open the main menu . . . . . . . . . . . . . . . . . . 67
Open the winter tyres menu . . . . . . . . . . . . . 67
To close the winter tyres menu . . . . . . . . . . . 68
Exhaust gasses purification system . . . . . . . . 178
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 193
FFastening rings . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Fire extinguisher . . . . . . . . . . . . . . . . . . . . . . . . 138
First-aid kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
folding table* . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Foot brake Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 82
Front airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Description . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Front drinks holders . . . . . . . . . . . . . . . . . . . . . 135
Front interior light Switching off . . . . . . . . . . . . . . . . . . . . . . . . 118
Switching on . . . . . . . . . . . . . . . . . . . . . . . . 118
Front passenger airbag deactivation . . . . . . . . . 44
Front reading lights . . . . . . . . . . . . . . . . . . . . . . 119
Front seat adjustment Lumbar support . . . . . . . . . . . . . . . . . . . . . . 130
Fuel Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Fuel level Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Fuel reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Fuel Tank Opening the fuel tank flap . . . . . . . . . . . . . 201 Fuel tank
See Fuel reserve . . . . . . . . . . . . . . . . . . . . . . 75
Fuel: save . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
GG 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Gear shift pattern . . . . . . . . . . . . . . . . . . . . . . . 158
General overview of the engine compartment 266
Glove compartment . . . . . . . . . . . . . . . . . . . . . 132
Glow plug system . . . . . . . . . . . . . . . . . . . . . . . 157 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 81HHandbrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164Warning lamp . . . . . . . . . . . . . . . . . . . . 77, 164
Hazard warning lights . . . . . . . . . . . . . . . . . . . . 116
head restraints Adjusting . . . . . . . . . . . . . . . . . . . . . . . 128, 129
adjustment of the head restraint angle . . . 129
Removing . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
head restraints, correct adjustment . . . . . . . . . 13 In-use and non-use positions . . . . . . . . . . . 14
Headlight flasher . . . . . . . . . . . . . . . . . . . . . . . 117
Headlight range control . . . . . . . . . . . . . . . . . . 115
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Driving abroad . . . . . . . . . . . . . . . . . . . . . . . 180
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Headlight washer system* . . . . . . . . . . . . . 124
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