2008 MERCEDES-BENZ CLS COUPE tire pressure

13
Vehicle dimensions
. . . . . . . . . . . . 309
Vehicle weights . . . . . . . . . . . . . . . 310
Wheels . . . . . . . . . . . . . . . . . . . . . . 305
Telephone
see Mobile phone
Temperature
Engine oil (on-board computer) . . . 116
Outside temperature . . . . . . . . . . . 111
Thermatic
Malfunction indicator lamp . . . . . . 242
Thermotronic
Malfunction indicator lamp . . . . . . 242
Third brake lamp
Display message . . . . . . . . . . . . . . 234
Tightening torque . . . . . . . . . . . . . . . 286
Time Lap time (on-board computer) . . . . 117
Setting (on-board computer) . . . . . 124
Setting the time (on-board com-
puter) . . . . . . . . . . . . . . . . . . . . . . . 124
Timer (on-board computer) . . . . . . . 117
TIREFIT kit Storage location . . . . . . . . . . . . . . . 217
Using . . . . . . . . . . . . . . . . . . . . . . . 277
Total distance recorder
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27, 29
Resetting the trip meter . . . . . . . . . 110
Tow-away protection . . . . . . . . . . . . . . 62
Towing . . . . . . . . . . . . . . . . . . . . . . . . 294 Towing eye
Fitting . . . . . . . . . . . . . . . . . . . . . . . 294
Removing . . . . . . . . . . . . . . . . . . . . 295
Transmission output (maximum)
Telephone/two-way radio . . . . . . . 299
Transport (vehicle) . . . . . . . . . . . . . . 295
Trip computer
Menu (on-board computer) . . . . . . 129
Trip meter . . . . . . . . . . . . . . . . . . . . . . 115
Resetting . . . . . . . . . . . . . . . . . . . . 110
Turn signal lamps
Display message . . . . . . . . . . 233, 234
TV
Operation (on-board computer) . . . 119
Two-way radio
Installation . . . . . . . . . . . . . . . . . . . 299
Tyre grip . . . . . . . . . . . . . . . . . . . . . . . 207
Tyre pressure . . . . . . . . . . . . . . . . . . 200
Calling up (on-board computer) . . 202
Display message . . . . . . . . . . 224, 237
Tyre pressure loss warning system 201
Tyre pressure monitor Warning lamp . . . . . . . . . . . . . . . . . 248
Tyre pressures
Table . . . . . . . . . . . . . . . . . . . . . . . 304
Tyres
Direction of rotation . . . . . . . . . . . . 199
General notes . . . . . . . . . . . . . . . . . 198
Technical data . . . . . . . . . . . . . . . . 305
Tyre tread . . . . . . . . . . . . . . . . . . . . . . 200 U
Unit for distance Setting (on-board computer)
. . . . . 123
Unladen weight . . . . . . . . . . . . . . . . . 310
Unlocking Emergency unlocking . . . . . . . . . . . 266
From the inside (central unlocking
button) . . . . . . . . . . . . . . . . . . . . . . . 70
Up (display message) . . . . . . . . . . . . 116 V
Variable Speedtronic . . . . . . . . . . . . .
142
Vehicle Emergency unlocking . . . . . . . 266, 267
Individual settings (on-board com-
puter) . . . . . . . . . . . . . . . . . . . . . . . 121
Leaving parked up . . . . . . . . . . . . . 265
Towing . . . . . . . . . . . . . . . . . . . . . . 294
Transporting . . . . . . . . . . . . . . . . . . 295
Vehicle battery . . . . . . . . . . . . . . . . . 288
Vehicle dimensions . . . . . . . . . . . . . . 309
Vehicle electronics . . . . . . . . . . . . . . 299
Vehicle identification plates . . . . . . 300
Vehicle level Display message . . . . . . . . . . . . . . 229
Setting (AIRMATIC DC) . . . . . . . . . 146
Vehicle tool kit . . . . . . . . . . . . . . . . . . 217
Vehicle weights . . . . . . . . . . . . . . . . . 310 Index
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Tyres and wheels
199
Notes on regularly inspecting wheels
and tyres R
Regularly check the wheels and tyres of
your
vehicle for damage (e.g. cuts, punctu-
res, tears, bumps on tyres and deforma-
tion, cracks or severe corrosion on wheels),
at least every 14 days, as well as after off-
road trips or after travelling on rough roads.
Damaged wheels could cause a loss of tyre
pressure.
R Regularly check the tyre tread depth and
the condition of the tread across the whole
width of the tyre (Y page 200). If neces-
sary, turn the front wheels to full lock in
order to inspect the inner side of the tyre
surface.
R All wheels must have a valve cap to protect
the valve against dirt and moisture.
R Regularly check the pressure of all your
tyres (including the spare tyre*), particu-
larly prior to long trips, and correct the
pressure as necessary ( Y page 200).
Notes on driving R
While driving, pay attention to vibrations,
noises and unusual handling characteris- tics, e.g. pulling to one side. This may indi-
cate

that the wheels or tyres are damaged.
If you suspect that a tyre is defective,
reduce your speed and stop the vehicle as
soon as possible to check the wheels and
tyres for damage. Hidden tyre damage
could also be causing the unusual handling
characteristics. If you find no signs of dam-
age, have the wheels and tyres inspected
at a specialist workshop, for example at a
Mercedes-Benz Service Centre.
R When parking your vehicle, make sure that
the tyres do not get deformed by the kerb
or other obstacles. If it is necessary to drive
over kerbs, speed humps or similar, try to
do so slowly and at an obtuse angle. Oth-
erwise, the tyres, particularly the sidewalls,
could get damaged. Direction of rotation
Direction of rotation Tyres with a specified direction of rotation
have

additional benefits, e.g. if there is a risk
of aquaplaning. You will only gain these ben-
efits if the correct direction of rotation is
observed.
An arrow on the sidewall of the tyre indicates
its correct direction of rotation.
i You may fit a spare tyre* against the
direction of rotation. MOExtended run-flat system*
The MOExtended run-flat system allows you
to

continue driving the vehicle even when one
or more tyres lose all air pressure.
The MOExtended run-flat system may only be
used in conjunction with the tyre pressure
loss warning system or the tyre pressure
monitor* and on wheels specifically tested by
Mercedes-Benz.
i Vehicles with MOExtended run-flat sys-
tem are not equipped with the TIREFIT
kit* 25
.
25 Only for certain countries Operation
* optional
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Tyres and wheels
200It is therefore recommended to additionally
equip your vehicle with the TIREFIT kit*
when fitting tyres that do not feature run-
flat properties, e.g. winter tyres.
i A TIREFIT kit*
is available from any quali-
fied specialist workshop, e.g. a Mercedes-
Benz Service Centre.
You will find notes on driving with a flat tyre
in the "Practical advice" section
(Y page 287). Tyre tread
G
Risk of accident
Bear in mind that:
R tyre grip decreases rapidly on wet roads
when

the tread depth is less than 3 mm.
You should thus replace tyres that have
insufficient tread.
R winter tyres should be replaced when the
tread depth is 4 mm or less because oth-
erwise they no longer provide adequate
grip.
R the tread on a tyre may not wear evenly.
You should thus regularly check the tread
depth and the condition of the tread across the entire width of all tyres. If nec-
essary, turn the steering wheel so that
you can see the tyre tread more easily.
You could otherwise lose control of the
vehicle and cause an accident due to the
reduced grip of the tyres on the road. Tyre pressures
G
Risk of accident
Tyre pressure that is either too high or too
low has a negative effect on the vehicle’s
active

safety, which could lead you to cause
an accident. You should therefore regularly
check the pressure of all your tyres (includ-
ing the spare tyre*), particularly prior to
long trips, and correct the pressure as nec-
essary.
To test tyre pressure, use a suitable pressure
gauge. The outer appearance of a tyre does
not permit any reliable conclusion about the
tyre pressure. On vehicles fitted with the elec-
tronic tyre pressure monitor*, the tyre pres-
sure can be checked in the on-board com-
puter.
If the vehicle is to be heavily laden or driven
at high speeds, the tyre pressure must be adapted according to the specifications given
in the fuel filler flap

(Y page 190).
Use the highest specified tyre pressure for
the spare wheel*. G
Risk of accident
Should the tyre pressure drop repeatedly:
R Check the tyre for foreign bodies.
R Check whether the wheel is losing air or
the valve is leaking.
Tyre

pressure that is too low has a negative
effect on the vehicle’s active safety, which
could lead to your causing an accident.
Tyre pressure changes by approximately
0.1 bar for every 10 °C change in ambient
temperature.
If you measure the tyre pressure in enclosed
spaces where the temperature differs from
the outside temperature, you will have to cor-
rect the measured value accordingly.
When the vehicle is driven, the tyre tempera-
ture, and with it the tyre pressure, will
increase depending on the road speed and
the load on the tyres.
Therefore, you should only correct tyre pres-
sures when the tyres are cold. Operation
* optional
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Flat tyre
278If you get TIREFIT on your clothing, have it
cleaned as soon as possible with perchloro-
ethylene. G
Risk of injury
Comply with the manufacturer's safety
instructions shown on the sticker on the
electric air pump.
i Your vehicle may be equipped with one of
two different air pumps. Version 1 can be
identified by the flap, behind which the
hose with the pressure gauge and cable are
located; version 2 has a pressure gauge
integrated in the electric air pump. Version 1 Version 1
1
TIREFIT sealant filler bottle
2 Flap
3 Recess
4 On/off switch
5 Electric connector with cable
6 Air pump hose
7 Flange
X Open flap 2 on the electric air pump.
X Pull connector 5 and air pump hose 6
from the housing. X
Screw air pump hose 6 onto flange 7 of
TIREFIT sealant filler bottle 1.
X Place TIREFIT sealant filler bottle 1 head
downwards into recess 3 of the electric
air pump. 8
Filler hose
9 Valve
X Remove the cap from valve 9 on the faulty
tyre. Practical advice
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Flat tyre
279a
Pressure release screw
b Pressure gauge
X Make sure pressure release screw a on
pressure gauge b is fully closed.
X Screw filler hose 8 onto valve 9.
X Insert plug 5 into the socket of the ciga-
rette lighter* (Y page 181) or into a 12V
power socket in your vehicle
(Y page 182).
X Turn the key to position 1 (Y page 74) in
the ignition lock. X
Press on/off switch 4 on the electric air
pump to I.
The electric air pump is switched on. The
tyre is inflated.
i First, TIREFIT is pumped into the tyre. The
pressure can briefly rise to around 5 bar.
Do not switch off the electric pump dur-
ing this phase.
X Let the electric pump run for five minutes.
The tyre should then have a pressure of at
least 1.8 bar.
! Do not operate the electric air pump for
longer than six minutes without a break.
Otherwise, it may overheat.
The air pump can be operated again once
it has cooled down.
If a pressure of 1.8 bar is not reached after
five minutes:
X Switch off and disconnect the electric air
pump and drive the vehicle forwards or
backwards approximately 10 m.
This distributes the TIREFIT more evenly.
X Remove TIREFIT filler bottle 1 from the
electric pump.
X Pump up the tyre again.
G Risk of accident
If a pressure of 1.8 bar is not achieved after
five minutes, the tyre is too badly damaged.
Do not drive any further. Consult a qualified
specialist workshop which has the neces-
sary specialist knowledge and tools to carry
out the work required. Mercedes-Benz rec-
ommends that you use a Mercedes-Benz
Service Centre for this purpose. In particu-
lar, work relevant to safety or on safety-
related systems must be carried out at a
qualified specialist workshop.
If a tyre pressure of 1.8 bar is reached:
X Press on/off switch 4 on the electric air
pump to 0.
The electric air pump is switched off.
X Disconnect the electric air pump and stow
it away.
X Fold up the warning triangle and stow it
away.
X Pull away immediately.
This distributes the TIREFIT more evenly
around the tyre.
X Stop after driving for approximately ten
minutes and check the tyre pressure with
the electric air pump.
Practical advice
* optional
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Flat tyre
280 G
Risk of accident
If the tyre pressure is now lower than
1.3 bar, the tyre is too badly damaged. Do
not drive any further. Consult a qualified
specialist workshop which has the neces-
sary specialist knowledge and tools to carry
out the work required. Mercedes-Benz rec-
ommends that you use a Mercedes-Benz
Service Centre for this purpose. In particu-
lar, work relevant to safety or on safety-
related systems must be carried out at a
qualified specialist workshop.
X If the tyre pressure is still at least 1.3 bar,
correct it (see fuel filler flap for values).
To increase the tyre pressure: switch on
the electric air pump.
To reduce the tyre pressure: open pres-
sure release screw a on pressure
gauge b.
X Drive to the nearest workshop and have the
tyre changed there.
X Have the TIREFIT kit replaced as soon as
possible at a qualified specialist workshop,
e.g. at a Mercedes-Benz Service Centre. G
Risk of accident
Do not exceed the maximum speed of 80
km/h.
The “max. 80 km/h” sticker must be affixed
within the driver's field of vision.
The vehicle's handling characteristics may
be affected. H
Environmental note
Have the used TIREFIT kit disposed of pro-
fessionally, e.g. at a Mercedes-Benz
Service Centre.
X Have the TIREFIT kit replaced every four
years at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. Version 2 1
TIREFIT sealant filler bottle
2 Recess
3 On/off switch
4 Electric connector with cable
5 Air pump hose
6 Flange
X Pull connector with cable 4 and air pump
hose 5 from the housing.
X Screw air pump hose 5 onto flange 6 of
TIREFIT filler bottle 1.
X Place TIREFIT sealant filler bottle 1 head
downwards into recess 2 of the electric
air pump. Practical advice
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Flat tyre
2817
Valve
8 Filler hose
X Remove the cap from valve 7 on the faulty
tyre.
X Screw filler hose 8 onto valve 7.
X Insert plug 4 into the socket of the ciga-
rette lighter* (Y page 181) or into a 12V
power socket in your vehicle
(Y page 182).
X Turn the key to position 1 in the ignition
lock. X
Press on/off switch 3 on the electric air
pump to I.
The electric air pump is switched on. The
tyre is inflated.
i First, TIREFIT is pumped into the tyre. The
pressure can briefly rise to around 5 bar.
Do not switch off the electric pump dur-
ing this phase.
X Let the electric pump run for five minutes.
The tyre should then have a pressure of at
least 1.8 bar.
! Do not operate the electric air pump for
longer than six minutes without a break.
Otherwise, it may overheat.
The air pump can be operated again once
it has cooled down.
If a pressure of 1.8 bar is not reached after
five minutes:
X Switch off and disconnect the electric air
pump and drive the vehicle forwards or
backwards approximately 10 m.
This distributes the TIREFIT more evenly.
X Remove TIREFIT filler bottle 1 from the
electric pump.
X Pump up the tyre again.
G Risk of accident
If a pressure of 1.8 bar is not achieved after
five minutes, the tyre is too badly damaged.
Do not drive any further. Consult a qualified
specialist workshop which has the neces-
sary specialist knowledge and tools to carry
out the work required. Mercedes-Benz rec-
ommends that you use a Mercedes-Benz
Service Centre for this purpose. In particu-
lar, work relevant to safety or on safety-
related systems must be carried out at a
qualified specialist workshop.
If a tyre pressure of 1.8 bar is reached:
X Press on/off switch 3 on the electric air
pump to 0.
The electric air pump is switched off.
X Disconnect the electric air pump and stow
it away.
X Fold up the warning triangle and stow it
away.
X Pull away immediately.
This distributes the TIREFIT more evenly
around the tyre.
X Stop after driving for approximately ten
minutes and check the tyre pressure with
the electric air pump.
Practical advice
* optional
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Flat tyre
282 G
Risk of accident
If the tyre pressure is now lower than
1.3 bar, the tyre is too badly damaged. Do
not drive any further. Consult a qualified
specialist workshop which has the neces-
sary specialist knowledge and tools to carry
out the work required. Mercedes-Benz rec-
ommends that you use a Mercedes-Benz
Service Centre for this purpose. In particu-
lar, work relevant to safety or on safety-
related systems must be carried out at a
qualified specialist workshop.9 Pressure release button
a Pressure gauge
X If the tyre pressure is still at least 1.3 bar,
correct it (see fuel filler flap for values). To increase the tyre pressure:
switch on
the electric air pump.
To reduce the tyre pressure: press yellow
pressure release button 9 next to pres-
sure gauge a.
X Drive to the nearest workshop and have the
tyre changed there.
X Have the TIREFIT kit replaced as soon as
possible at a qualified specialist workshop,
e.g. at a Mercedes-Benz Service Centre.
G Risk of accident
Do not exceed the maximum speed of 80
km/h.
The “max. 80 km/h” sticker must be affixed
within the driver's field of vision.
The vehicle's handling characteristics may
be affected.
H Environmental note
Have the used TIREFIT kit disposed of pro-
fessionally, e.g. at a Mercedes-Benz
Service Centre.
X Have the TIREFIT kit replaced every four
years at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
Changing a wheel and fitting the spare
wheel*
G Risk of accident
The wheel dimensions and tyre size of the
spare wheel*, the emergency spare
wheel* and standard wheels may differ
from one another.
Your vehicle's handling characteristics will
be altered when a "Minispare"/collapsible
emergency spare wheel* is fitted. Adapt
your style of driving accordingly.
The “Minispare”/collapsible emergency
spare wheel* must only be used as a tem-
porary measure. Do not exceed the maxi-
mum speed of 80 km/h and do not
deactivate ESP ®
.
Never drive the vehicle with more than one
“Minispare”/collapsible emergency spare
wheel* fitted.
G Risk of accident
Have the “Minispare”/collapsible emer-
gency spare wheel* or the spare wheel*
replaced with a new wheel as soon as pos-
sible at a qualified specialist workshop
which has the necessary specialist knowl-
edge and tools to carry out the work
Practical advice
* optional
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