2004 MERCEDES-BENZ SLK CLASS run flat

244 Practical hintsFlat tire
Visit an authorized Mercedes-Benz
Center as soon as possible to obtain a
new TIREFIT container.

Bring used TIREFIT materials to an au-
thorized Mercedes-Benz Center for
proper disposal.

Replace your TIREFIT container every
four years. Replacement containers are
available at your authorized
Mercedes-Benz Center.
Mounting the spare wheel
More information on spare wheels with
collapsible tires can be found in the “Tech-
nical data” section (
page 273).Preparing the vehicle
Prepare the vehicle as described under
“Preparing the vehicle” (
page 235).

Turn pump holder counterclockwise to
loosen (
page 235).

Take the spare wheel out of wheel well.
Lifting the vehicle

Prevent the vehicle from rolling away
by blocking wheels with wheel chocks
(not included) or other sizable objects.
When changing wheel on a level surface:

Place one chock in front of and one be-
hind the wheel that is diagonally oppo-
site to the wheel being changed.
When changing wheel on a hill:

Place chocks on the downhill side
blocking both wheels of the other axle.

Take the vehicle tool kit and the jack
out of the trunk.
Warning!
G
Do not exceed vehicle speed of 50 mph
(80 km/h). A TIREFIT repair is not designed
to operate at higher speeds.
The sticker must be attached on the instru-
ment cluster where it will be easily seen by
the driver.
Vehicle handling characteristics may
change. Adapt your driving accordingly.
Warning!
G
The dimensions of the spare wheel are dif-
ferent from those of the road wheels. As a
result, the vehicle handling characteristics
change when driving with a spare wheel
mounted. Adapt your driving style accord-
ingly.
The spare wheel is for temporary use only.
When driving with spare wheel mounted, en-
sure proper tire pressure and do not exceed
vehicle speed of 50 mph (80 km/h).
Drive to the nearest Mercedes-Benz Center
as soon as possible to have the spare wheel
replaced with a regular road wheel.
Never operate the vehicle with more than
one spare wheel mounted.


247 Practical hints
Flat tire

Remove the wheel.

Take the spare tire out of the trunk.
Mounting the new wheel
Wheel bolts1 Wheel bolt for

wheel rim size 7Jx16 H2 and 8Jx16 H2


AMG wheel rim size 7½ Jx17 H2 and
8½ Jx17 H2


spare wheel rim size 4½ Bx16 H2
2 Wheel bolt for


spare wheel rim size 4½ Bx15 H2
(located with electric air pump)

Clean contact surfaces of wheel and
wheel hub.

Guide the spare wheel onto the align-
ment bolt and push it on.

Insert wheel bolts and tighten them
slightly.

Inflate the spare tire using the electric
air pump (
page 249).
!Wheel bolts2must be used when
mounting spare wheel rim size
4½ Bx15 H2.
The use of any wheel bolts other than
wheel bolts2for spare wheel rim size
4½ Bx15 H2 can cause physical dam-
age to the vehicle.Warning!
G
Be sure to use original length wheel bolts
when remounting the original wheel after it
has been repaired.
Warning!
G
Inflate spare wheel with collapsible tire only
after the wheel is properly mounted.!To avoid paint damage, place wheel flat
against hub and hold it there while in-
stalling first wheel bolt.

249 Practical hints
Flat tire

Before storing the jack in the trunk, it
should be fully collapsed, with pin and
handle folded in.
Inflating the collapsible spare tire

Take the electric air pump out of the
trunk (
page 214).
1Flap
2Air hose with pressure gauge and vent
screw
3Union nut
4Electrical plug

Open flap1 on air pump.

Pull out electrical plug4 and air hose
with pressure gauge2.

Unscrew valve cap from spare wheel
tire valve.

Screw union nut3 with air hose2 on
to the tire valve.

Insert electrical plug4 into vehicle
cigarette lighter socket.

Turn key in steering lock to position1
(page 29).

PressI on the electric air pump switch.
The electric air pump should now
switch on and inflate the tire.

Inflate the collapsible tire to around
36 psi (2.5 bar).This takes about 5 minutes for the col-
lapsible spare tire. Air hose2 and
union nut3 can become hot duration
inflation.

Press0 on the electric air pump
switch.
The electric air pump should now be
switched off.

Turn key in steering lock to position0.

If the tire pressure is above 36 psi
(2.5 bar) release excess tire pressure
using the vent screw.
Warning!
G
Observe instructions on air pump label.
!Do not operate the electric air pump
longer than 8 minutes without interrup-
tion. Otherwise it may overheat.
You may operate the air pump again af-
ter it has cooled off.


250 Practical hintsFlat tire

Detach the electric air pump.

Reinstall tire valve cap.

Stow the electrical plug and the air
hose behind the flap and place the air
pump back in the trunk.

Close the trunk lid.Storing collapsible spare wheel in
wheel well
Before you can store the spare wheel with
collapsible tire in the wheel well you have
to release the air pressure of the tire.

Unscrew valve stem removal tool,
which is part of the valve cap, from tire
valve.

Using the valve stem removal tool,
open tire valve slightly by turning the
tire valve insert counterclockwise to
release air pressure.

When the air pressure has been re-
leased, remove tire valve insert (pro-
tect it from dirt and sand) using the
previously removed tire valve cap.

Once all air is out of the tire, and the
tire has collapsed to its original shape,
reinstall the tire valve insert and valve
cap.

Place spare wheel in wheel well and
secure it with the pump holder.

Turn pump holder clockwise to its stop.
Warning!
G
Follow recommended inflation pressures.
Do not overinflate tires. Overinflating tires
can result in sudden deflation (blowout) be-
cause they are more likely to become punc-
tured or damaged by road debris, potholes
etc.
Do not underinflate tires. Underinflated tires
wear unevenly, adversely affect handling
and fuel economy, and are more likely to fail
from being overheated.
Do not overload the tires by exceeding the
specified vehicle capacity weight (as indicat-
ed by the label on the pillar in the driver’s
door opening). Overloading the tires can
overheat them, possibly causing a blowout.
Warning!
G
To prevent possible injury when unscrewing
air pump filler hose from tire valve after in-
flating the tire, use a rag since the tire valve
could be hot.


296 IndexCentral locking
From inside 80
Unlocking from inside 80
Certification label 266
Changing CDs
CD mode 121
Charging
Vehicle battery 252
CHECK ENGINE malfunction indicator
lamp 205
Checking
Coolant level 173, 180
Oil level 172, 175
Tire inflation pressure 173
Vehicle lighting 173
Child safety 60
Airbags 54
Infant and child restraint systems 57,
60
Cigarette lighter 143
Cleaning
Cloth upholstery 197Cup holder 196
Gear selector lever 196
Hard plastic trim items 196
Headliner 197
Instrument cluster 196
Leather upholstery 197
Light alloy wheels 196
Plastic and rubber parts 197
Rear window 195
Seat belts 197
Steering wheel 196
Windows 195
Windshield 45
Wiper blades 195
Cleaning*
Headlamps 99
Climate control 102
Adjusting air distribution 105
Adjusting air volume 105
Air conditioning 106
Air recirculation mode 106
Deactivating the climate control
system 110
Defogging windshield 110
Defrosting 109Reactivating the climate control
system 110
Rear window defroster 101
Residual heat utilization 107
Residual ventilation 107
Setting the temperature 104
Clock 21
Setting 91
Closing
Glove box 139
Hood 175
Retractable hardtop 221
Side windows 128
Trunk lid 78
Windows 128
Closing hardtop
In an emergency 221
Cloth upholstery
Cleaning 197
Cockpit 18, 287
Coin holder 142
Collapsible tire 287