Wheels and tyres
234Wheel 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 may not use wheel bolts from a different car -
even if it is the same model ⇒page 204.
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 to o 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 tyres (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 232, “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 232, “New tyres and wheels”.
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Index
304Engine compartment
Working in the engine compartment . . . . . 211
Engine coolant . . . . . . . . . . . . . . . . . . . . . . . . . 218
Engine fault Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine management Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Checking level . . . . . . . . . . . . . . . . . . . . . . . 216
Oil properties . . . . . . . . . . . . . . . . . . . . . . . . 215
Specifications . . . . . . . . . . . . . . . . . . . . . . . 214
Topping up . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Engine oil dipstick . . . . . . . . . . . . . . . . . . . . . . . 216
Engine oil pressure Warning lamp . . . . . . . . . . . . . . . . . . . . . 64, 78
Environmental tip Avoiding pollution . . . . . . . . . . . . . . . . . . . . 209
ESP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81, 183
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
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 198
FFastening rings . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fire extinguisher . . . . . . . . . . . . . . . . . . . . . . . . 147
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
folding table* . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Folding the seat backrests down . . . . . . . . . . . 133
Foot brake Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 82
Four-wheel drive . . . . . . . . . . . . . . . . . . . . . . . . 185
Freetrack towing ring . . . . . . . . . . . . . . . . . . . . 269
Front airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Description . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Front interior light type 1 Switching light off . . . . . . . . . . . . . . . . . . . . 117
Switching light on . . . . . . . . . . . . . . . . . . . . 117
Front interior light type 2 Switching light off . . . . . . . . . . . . . . . . . . . . 118
Switching light on . . . . . . . . . . . . . . . . . . . . 118
Front passenger airbag deactivation . . . . . . . . . 44
Front reading lights . . . . . . . . . . . . . . . . . . . . . . 119
Front seat adjustment Lumbar support . . . . . . . . . . . . . . . . . . . . . . 131
Fuel Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Fuel level Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Fuel reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Fuel Tank Opening the fuel tank flap . . . . . . . . . . . . . 208
Fuel tank See Fuel reserve . . . . . . . . . . . . . . . . . . . . . . 75
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
GG 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Gear shift pattern . . . . . . . . . . . . . . . . . . . . . . . 167
General overview of the engine compartment 275
Glove compartment . . . . . . . . . . . . . . . . . . . . . 134
Glow plug system . . . . . . . . . . . . . . . . . . . . . . . 166 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 81HHandbrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173Warning lamp . . . . . . . . . . . . . . . . . . . . 77, 173
Hazard warning lights . . . . . . . . . . . . . . . . . . . . 115
head restraints Adjusting . . . . . . . . . . . . . . . . . . . . . . . 129, 130
adjustment of the head restraint angle . . . 130
Removing . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
head restraints, correct adjustment . . . . . . . . . 13 In-use and non-use positions . . . . . . . . . . . 14
Headlight flasher . . . . . . . . . . . . . . . . . . . . . . . 116
Headlight range control . . . . . . . . . . . . . . . . . . 113
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