wheel bolt torque MERCEDES-BENZ B-CLASS HATCHBACK 2008 Owners Manual

13
Mounting dimensions.
....................289
Parktronic. ...................................... 122
Transmission
Display message ............................. 209
Transmission output (maximum)
Telephone/two-way radio ...............275
Transport (vehicle)............................. 270
Trip computer Menu (on-board computer). ............111
Trip meter ............................... 26, 99, 101
Resetting. ......................................... 97
Turn signal lamps
Display message ............................. 217
Two-way radio
Installation. ..................................... 275
Tyre grip .............................................. 184
Tyre pressure ..................................... 178
Display message ............................. 211
Tyre pressure loss warning system.1 79
Tyres Direction of rotatio n....................... 177
General notes. ................................ 176
Technical data. ............................... 283
Tyre tread ............................................ 178 U
Unladen weight.................................. 287
Unlocking Emergency unlocking...................... 241
From the inside (central unlocking
button) .............................................. 61 V
Variable Speedtronic .........................117
Vehicle Emergency unlocking .............241, 242
Individual settings (on-board com-
puter). ............................................. 105
Leaving parked up. .........................240
Towing. ........................................... 269
Tow-starting .................................... 269
Transporting ................................... 270
Vehicle battery................................... 263
Vehicle dimensions ............................286
Vehicle electronics ............................275
Vehicle identification number (VIN).2 77
Vehicle identification plates............. 276
Vehicle tool kit................................... 200
Vehicle weights.................................. 286
Video DVD Operating (on-board computer). .....104 W
Warning and indicator lamp ABS (yellow).................................... 224
LIM (cruise control)......................... 115
LIM (variable Speedtronic). .............117
Warning and indicator lamps
ESP ®
......................................... 56, 226
Warning signal
Audible. .......................................... 230
Warning triangle................................. 201
Washer fluid
Display message ............................. 221
Washer fluid reservoir .......................299
Filling capacity. ............................... 299
Wearing seat belts............................... 72
Wheel bolts Tightening torque............................ 261
Wheel chock
Use. ................................................ 200
Wheels
General notes. ................................ 176
Interchanging.................................. 181
Technical data. ............................... 283
Windowbags......................................... 42
Windows Cleaning. ........................................ 194
Cleaning the windscreen ...............194
see Side windows Index
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Winter driving
181Interchanging the wheels
G
Risk of accident
Interchange the front and rear wheels only
if they have the same dimensions: for exam-
ple size, offset, etc.
After every wheel interchange/change,
have the tightening torque checked at a
qualified specialist workshop that has the
necessary specialist knowledge and tools
to carry out the work required. Mercedes-
Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be car-
ried out at a qualified specialist workshop.
The wheels could work loose if they are not
tightened to a torque of 130 Nm.
For safety reasons, Mercedes-Benz recom-
mends that you only use wheel bolts of the
correct size which have been approved for
Mercedes-Benz vehicles.
The wear patterns on the front and rear tyres
differ, depending on the operating conditions.
Interchange the wheels before a clear wear
pattern has formed on the tyres. Front tyres
typically wear more on the shoulders and the
rear tyres in the centre. Interchange the wheels every 5,000 km to
10,000 km depending on the degree of tyre
wear, provided that the vehicle has the same
size front and rear tyres. Do not reverse the
direction of tyre rotation.
Clean the contact surfaces of the wheel and
the brake disc thoroughly every time a wheel
is changed. Check the tyre pressure and, if
necessary, restart the tyre pressure loss
warning system. Winter driving
Points to remember
Have your vehicle winterproofed at a qualified
specialist workshop, e.g. at a Mercedes-Benz
Service Centre, at the onset of winter. Winter tyres
Use winter tyres at temperatures below +7 °C
and on snow or ice-covered roads. Only then
can the effect of the ABS and ESP ®
driving
systems be ensured in winter too.
Use winter tyres of the same make and tread
on all wheels to maintain safe handling char-
acteristics. G
Risk of accident
Winter tyres with a tread depth of less than
4 mm must be replaced immediately. They
are no longer suitable for winter use and
can no longer provide sufficient grip. This
could cause you to lose control of your
vehicle and cause an accident.
Always observe the maximum permitted
speed specified for the winter tyres you have
fitted. If you fit winter tyres which have a
lower maximum permitted speed than that of
the vehicle, affix an appropriate warning sign Operation
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Flat tyre
261necessary specialist knowledge and tools
to carry out the work required. Mercedes-
Benz recommends that you use a
Mercedes-Benz Service Centre or Service
24h for this purpose. In particular, work rel-
evant to safety or on safety-related systems
must be carried out at a qualified specialist
workshop. G
Risk of accident
Only use wheel bolts that have been
designed for the wheel and the vehicle. For
safety reasons, Mercedes-Benz recom-
mends that you only use wheel bolts which
have been approved for Mercedes-Benz
vehicles. Other bolts could work loose.
Do not tighten the wheel bolts completely
while the vehicle is still jacked up. The vehi-
cle could topple off the jack.
X Clean the wheel and wheel hub contact
surfaces. X
Place the "Minispare" emergency spare
wheel* or the spare wheel onto the wheel
hub and push it on. X
Tighten the wheel bolts until they are fin-
ger-tight. Lowering the vehicle X
Place the ratchet ring spanner onto the
hexagon nut of the jack so that the lettering
AB is visible.
X Lower the vehicle by turning the ratchet
ring spanner until the vehicle is once again
standing firmly on the ground.
X Place the jack to one side. 1
–5 Wheel bolts
X Tighten the wheel bolts evenly in a cross-
wise pattern in the sequence indica-
ted (1 to5). The tightening torque is
130 Nm. G
Risk of accident
Have the tightening torque checked imme-
diately after a wheel is changed. The wheels Practical advice
* optional
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