2008 MERCEDES-BENZ R-CLASS MPV wheel bolts

14Mounting dimensions . . . . . . . . . .
.354
Parktroni c.. . . . . . . . . . . . . . . . . .157
Transmission
Display message . . . . . . . . . . . . . .260
Transmission output (maximum)
Telephone/two-way radio . . . . . . .339
Transport (vehicle) . . . . . . . . . . . . ..332
Trip computer Menu (on-board computer) . . . . . .137
Trip meter . . . . . . . . . . . . . . . . . . . . . .125
Resetting . . . . . . . . . . . . . . . . . . . .119
Turn signal lamps
Display message . . . . . . . . . . . . . .271
TV
Operation (on-board computer) . . .127
Two-way radio
Installatio n.. . . . . . . . . . . . . . . . . .339
Tyre grip . . . . . . . . . . . . . . . . . . . . . . .234
Tyre pressure . . . . . . . . . . . . . . . . . .226
Calling up (on-board computer) . .228
Display message . . . . . .261, 263, 274
see Tyre pressure
Tyre pressure loss warning system 227
Tyre pressure monitor Warning lamp . . . . . . . . . . . . . . . . .284
Tyres
Direction of rotatio n.. . . . . . . . . . .225
General notes . . . . . . . . . . . . . . . . .224
Technical data . . . . . . . . . . . .346, 348
Tyre tread . . . . . . . . . . . . . . . . . . . . . .226 U
Unladen weight . . . . . . . ..351, 352, 353
Unlocking Emergency unlocking . . . . . . . . . . .302
From the inside (central unlocking
button) . . . . . . . . . . . . . . . . . . . . . . .75 V
Variable Speedtronic . . . . . . . . . . . ..149
Vehicle Emergency unlocking . . . . . . .302, 303
Individual settings (on-board com-
puter) . . . . . . . . . . . . . . . . . . . . . . .129
Leaving parked up . . . . . . . . . . . . .301
Towing . . . . . . . . . . . . . . . . . . . . . .332
Transporting . . . . . . . . . . . . . . . . . .332
Vehicle battery . . . . . . . . . . . . . . . . .323
Vehicle dimensions . . . . . . . . . . . . ..350
Vehicle electronics . . . . . . . . . . . . ..339
Vehicle identification number
(VIN) . . . . . . . . . . . . . . . . . . . . . .340, 341
Vehicle identification plates . . . . ..340
Vehicle level Display message. . . . . . . . . . . . . . . . . . . . . . .267, 268
Vehicle weights . . . . . . . . . . . . . . . . .351 W
Warning and indicator lamp ABS (yellow) . . . . . . . . . . . . . . . . . .281
LIM (Cruise control) . . . . . . . . . . . .140
LIM (Distronic) . . . . . . . . . . . . . . . .144
LIM (variable Speedtronic) . . . . . . .149
Warning signal
Audible . . . . . . . . . . . . . . . . . . . . . .286
Warning triangle . . . . . . . . . . . . . . . .250
Washer fluid Display message . . . . . . . . . . . . . .277
Wearing seat belts . . . . . . . . . . . . . . ..94
Wheel bolts Tightening torque . . . . . . . . . . . . . .322
Wheel chock
Use . . . . . . . . . . . . . . . . . . . . . . . . .254
Wheels
General notes . . . . . . . . . . . . . . . . .224
Interchanging . . . . . . . . . . . . . . . . .230
Technical data . . . . . . . . . . . .346, 348
Windowbags . . . . . . . . . . . . . . . . . . . . .46
Windows Cleaning . . . . . . . . . . . . . . . . . . . . .245
Cleaning the windscreen . . . . . . . .245
Side windows . . . . . . . . . . . . . . . . .106
Windscreen
Cleaning . . . . . . . . . . . . . . . . . . . . .245
Infrared reflecting . . . . . . . . . . . . .216 Index
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Tyres and wheels
230
X
Press the jork button to select the
Tyre pressure function or wait until the
following message appears:
Tyre pressure displayed only after
driving for a few minutes
X Press the reset button on the left of the
multi-function steering wheel
(Y page 242).
The Restart Tyre pressure monitor
Yes Cancel message appears in the multi-
function display.
X Press the æbutton.
The following message appears in the
multi-function display:
Tyre pressure monitor restarted
The tyre pressure monitor has stored the
pressure of the tyres as a new reference
value.
If you wish to cancel the restart:
X Press the çbutton. Interchanging 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 150 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 interchanged. Check the tyre pressure and,
if necessary, restart the tyre pressure loss
warning system or the tyre pressure moni-
tor*.
! On vehicles fitted with a tyre pressure
monitor*, electronic components are loca-
ted in the wheel.
Tyre fitting tools should not be applied in
the area of the valve, as this could damage
the electronic components.
Always have the wheels interchanged/
changed at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
i Vehicles with a tyre pressure monitor*
If the positions of the wheels on the vehicle
are changed, the tyre pressure may be tem-
porarily displayed at the wrong position.
This is rectified after a few minutes of driv-
ing, and the tyre pressures are displayed
for the correct positions. Operation
* optional
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Where will I find...?
253
location of the jack and of the other tools
may differ from those illustrated.
Example
1
Tool holder
2 Wheel wrench
3 Electric air pump
4 Instructions on the installation position of
the tool holder
5 Fuse allocation chart
6 Jack, ratchet ring spanner
7 Centring pin
8 Folding wheel chock
9 Towing eye
a Wheel bolts
b Ball coupling of the trailer tow hitch*
c Emergency spare wheel* Removing the emergency spare wheel*
X
Remove the jack from the tool holder
(Y page 252). 1
Retaining screw
2 Emergency spare wheel*
3 Tool holder
X Turn retaining screw 1anticlockwise and
out of tool holder 3and remove it.
i If retaining screw 1does not come out
immediately, turn tool holder 3anticlock-
wise a little.
Retaining screw 1should then unscrew
with ease. X
Turn tool holder 3approximately 180°, so
that the electrical air pump points back-
wards (Y page 252).
X Remove tool holder 3from emergency
spare wheel* 2.
X Remove emergency spare wheel* 2from
the emergency spare wheel well.
Stowing the emergency spare wheel*
X Remove the warning triangle from the
emergency spare wheel well (Y page 250). 1
Guides
In the spare wheel well, there are two guides
1 to keep the emergency spare wheel* in
place. Practical advice
* optional
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Flat tyre
318
Raising the vehicle G
Risk of injury
The jack is designed only to raise the vehi-
cle for a short time while a wheel is being
changed.
If you intend to work under the vehicle, it
must be placed on stands.
Make sure that the jack is placed on a firm,
non-slip, level surface. Do not use wooden
blocks or similar items as jacking supports.
Otherwise, the jack will not be able to ach-
ieve its load-bearing capacity due to the
restricted height.
Do not start the engine at any time while
the wheel is being changed.
Do not lie under the vehicle when it is being
supported by the jack. If you do not raise
the vehicle as described, it could slip off the
jack (e.g. if the engine is started or a door
or the tailgate is opened or closed) and you
could be seriously injured. G
Risk of accident
If you fail to position the jack correctly, the
vehicle may: R
slip off the jack
R injure you or others
R be damaged
It is thus important to ensure that the jack
is positioned correctly in the respective
jacking points. Before positioning the jack,
remove any dirt that may have collected in
the jacking points. 1
Wheel wrench
X Using wheel wrench 1, loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew the bolts com-
pletely.
The jacking points for the jack are located
behind the wheel housings of the front wheels and in front of the wheel housings of the rear
wheels (arrows). 1
Jacking point
2 Jack
3 Ratchet ring spanner
X Position jack 2at jacking point 1. Practical advice
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Flat tyre
319X
Make sure that the vehicle jack stands
upright and perfectly straight.
X Take ratchet ring spanner 3from the vehi-
cle tool kit and place it on the hexagon nut
of jack 2so that the letters AUFare visi-
ble.
X Raise the vehicle with ratchet ring spanner
3 until the tyre is at most three centime-
tres off the ground. 1
Centring pin
X Unscrew the uppermost wheel bolt com-
pletely.
X In place of the wheel bolt, screw centring
pin 1from the vehicle tool kit into the
thread.
X Unscrew the remaining wheel bolts fully.
! Do not place wheel bolts in sand or on a
dirty surface. This could cause damage to
the bolt and wheel hub threads.
X Remove the wheel.
Fitting a new wheel G
Risk of accident
Replace damaged or corroded wheel bolts. Never oil or grease wheel bolts. This could
cause the bolts to loosen in the wheel hub.
G
Risk of accident
If a wheel hub thread is damaged, you must
not drive the vehicle any further. Consult a
qualified specialist workshop which has the
necessary 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. Practical advice
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Flat tyre
3201
Wheel bolts for 18", 19" and 21" wheels
and for the R 500 4MATIC emergency
spare wheel
2 Wheel bolts for 17" wheels and the emer-
gency spare wheel of all models except
the R 500 4MATIC
! All models except the R 500 4MATIC:
always use wheel bolts 2to fit 17" wheels
or the emergency spare wheel. Using other
wheel bolts when fitting 17" wheels or the
emergency spare wheel could damage the
brake system.
i All models except the R 500 4MATIC: the
wheel bolts can be found together with the
emergency spare wheel (not with 17"
tyres). X
Clean the wheel and wheel hub contact
surfaces. X
Slide the emergency spare wheel onto the
centring pin and push it on. X
Tighten the wheel bolts until they are fin-
ger-tight. X
Unscrew the centring pin.
X Tighten the last wheel bolt until it is finger-
tight.
Inflating the "Minispare" emergency
spare wheel* G
Risk of accident
Pump up the collapsible emergency spare
wheel before lowering the vehicle, as you
could otherwise damage the wheel rim.
X Take the electric air pump out of the stow-
age well under the luggage compartment
floor (Y page 252). G
Risk of injury
Comply with the manufacturer’s safety
instructions on the sticker on the electric
air pump.
Your vehicle is equipped with one of the fol-
lowing two electric air pumps:
R Version 1: electric air pump with a pres-
sure gauge on the air hose.
R Version 2: electric air pump with an inte-
grated pressure gauge.
The following description applies for both
types. Differences in the way they are used
will be explained explicitly. Practical advice
* optional
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Flat tyre
322The air pump can be operated again once
it has cooled down.
If the tyre pressure is higher than 3.0 bar:
X Version 1: open pressure release
screw 4on the pressure gauge until the
tyre pressure is correct.
X Version 2: press pressure release button
6 until the tyre pressure is correct.
X Switch off the electric air pump with on/off
switch 2, remove from the tyre valve and
stow it away.
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
150 Nm . G
Risk of accident
Have the tightening torque checked imme-
diately after a wheel is changed. The wheels
could work loose if they are not tightened
to a torque of 150 Nm.
X Turn the jack back to its initial position and
stow it and the rest of the vehicle tool kit in
the luggage compartment. X
Transport the faulty wheel in the boot.
or
X Depending on the size of the wheel, you
may also be able to secure the faulty wheel
in the emergency spare wheel well. In this
case, you will have to remove the stowage
tray from the emergency spare wheel well
and stow it securely in the luggage com-
partment.
i Do not activate the tyre pressure moni-
tor* until the deflated tyre has been
removed from the vehicle. MOExtended run-flat system*
The MOExtended run-flat system must only
be used in conjunction with the tyre pressure
loss warning system*.
! The maximum permissible distance which
can be driven in run-flat mode depends on
the load in the vehicle. It is 50 km if the
vehicle is partially laden and 30 km if fully
laden.
The maximum range that can be driven in
emergency operation is measured from the
point at which the pressure loss warning
message appears in the multi-function dis-
play. Practical advice
* optional
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