2003 MERCEDES-BENZ CL55AMG change wheel

251 Operation
Tires and wheels
If you wish to cancel activation:
Press the
ç
button.
If the following message appears in the
multifunction display field:
REACTIVATE TIRE

PRES. MONITOR

or
TIRE PRES.

CHECK TIRES!


Check the tire inflation pressures and
correct them if necessary.

Reactivate the tire inflation pressure
monitor.
Rotating wheels
On vehicles with the same wheel size all
around, wheels can be rotated every 3000
to 6000 miles (5000 to 10 000 km), or
sooner if necessary, according to the de-
gree of tire wear. The same direction of tire
rotation must be retained.
Rotate the wheels before the characteris-
tic tire wear pattern becomes visible
(shoulder wear on front wheels and tread
center wear on rear wheels).
Thoroughly clean the inner side of the
wheels after each rotation. Check and en-
sure proper tire inflation pressure. It is
necessary to activate the tire inflation
pressure monitor*.Warning!
G
Rotate front and rear wheels only if they are
of the same size.
!If your vehicle is equipped with a tire in-
flation pressure monitor*, there are
electronic components built into the
wheel.
Do not use mounting tools in the area
of the valve as they could damage the
electronic components.
To prevent damage or incorrect instal-
lation, have the tires changed at an au-
thorized Mercedes-Benz Center.Warning!
G
Have the tightening torque checked after
changing a wheel. Wheels could become
loose if not tightened with a torque of
110 ft.lb. (150 Nm).
Use only genuine Mercedes-Benz wheel
bolts specified for your vehicle's rims.

252OperationWinter driving
Winter drivingBefore the onset of winter have your vehi-
cle winterized at an authorized
Mercedes-Benz Center. This service in-
cludes:

Check of anticorrosion and antifreeze
concentration.


Addition of cleaning concentrate to the
water of the windshield and headlamp
cleaning system. Add MB Concentrate
“S” to a pre-mixed windshield washer
solvent / antifreeze which is formulated
for temperatures below freezing point
(page 343)


Battery test. Battery capacity drops
with decreasing ambient temperature.
A well-charged battery helps to ensure
that the engine can be started even at
low ambient temperatures.


Tire change. We recommend M+S rat-
ed radial-ply tires on all four wheels for
the winter season.
Winter tires
Always use winter tires at temperatures
below 39°F (4°C) and whenever wintry
road conditions prevail. Use of winter tires
is the only way to achieve the maximum ef-
fectiveness of the ABS and the ESP in win-
ter operation.
For safe handling, ensure that all mounted
winter tires are of the same make and have
the same tread design.Always observe the speed rating of the
winter tires installed on your vehicle. If the
maximum speed for which your tires are
rated is below the speed rating of your ve-
hicle, you must place a notice to this effect
where it will be seen by the driver. Such no-
tices are available from your tire dealer or
from any authorized Mercedes-Benz
Center.Warning!
G
Winter tires with a tread depth under 0.16 in
(4 mm) must be replaced. They are no long-
er suitable for winter operation.
Warning!
G
If you use your spare tire when winter tires
are fitted on the other wheels, be aware that
the difference in tire characteristics may
very well impair turning stability and that
overall driving stability may be reduced.
Adapt your driving style accordingly.
Have the spare tire replaced with a winter
tire at the nearest authorized
Mercedes-Benz Center.

290 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
H
TIRE PRES. MONITOR
NOT ACTIVE
The tire inflation pressure monitor* is un-
able to monitor the tire pressure due to

the presence of several wheel sensors
in the vehicle.


excessive wheel sensor temperatures.


a nearby radio interference source.


unrecognized wheel sensors mounted.

Check the tire pressure at the next
service station.
TIRE PRES. MONITOR
VISIT WORKSHOP!
The tire inflation pressure monitor* is mal-
functioning.

Have the tire inflation pressure mon-
itor* checked by an authorized
Mercedes-Benz Center.

Change the wheel (
page 308).
A wheel without proper sensor was in-
stalled.

Check and correct tire pressure as
required (
page 248).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.

291 Practical hints
What to do if …?
Display
Possible cause
Possible solution
H
TIRE PRES.
CAUTION, TIRE DEFECT!
One or more tires is rapidly deflating.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Change the wheel (
page 308).
TIRE PRES.
CHECK TIRES!
The tire pressure in one or more tires is al-
ready below the minimum value.
The tire pressure in one or more tires is
low.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Change the wheel (
page 308).
TIRE PRES., RF
CAUTION, TIRE DEFECT!
The right front tire is rapidly deflating.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Change the wheel (
page 308).
TIRE PRES., RF
CHECK TIRES!
The right front tire pressure is low.

Carefully bring the vehicle to a halt.

Check the tire pressure.

Change the wheel (
page 308).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.

292 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
H
TIRE PRES., LF
CAUTION, TIRE DEFECT!
The left front tire is rapidly deflating.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Change the wheel (
page 308).
TIRE PRES., LF
CHECK TIRES!
The left front tire pressure is low.

Carefully bring the vehicle to a halt.

Check the tire pressure.

Change the wheel (
page 308).
TIRE PRES., RR
CAUTION, TIRE DEFECT!
The right rear tire is rapidly deflating.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Change the wheel (
page 308).
TIRE PRES., RR
CHECK TIRES!
The right rear tire pressure is low.

Carefully bring the vehicle to a halt.

Check the tire pressure.

Change the wheel (
page 308).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.

293 Practical hints
What to do if …?
Display
Possible cause
Possible solution
H
TIRE PRES., LR
CAUTION, TIRE DEFECT!
The left rear tire is rapidly deflating.

Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers.

Change the wheel (
page 308).
TIRE PRES., LR
CHECK TIRES!
The left rear tire pressure is low.

Carefully bring the vehicle to a halt.

Check the tire pressure.

Change the wheel (
page 308).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Display
Possible cause
Possible solution
L
TELE AID MALFUNCTION
VISIT WORKSHOP!
One or more main functions of the Tele Aid
system are malfunctioning.

Have the Tele Aid system checked by
an authorized Mercedes-Benz Cen-
ter.
TELE AID BATTERY
VISIT WORKSHOP!
The emergency power battery for the Tele
Aid system is malfunctioning. If the vehicle
battery is also discharged, Tele Aid will not
be operational.

Have the Tele Aid system checked by
an authorized Mercedes-Benz Cen-
ter.

295 Practical hints
Where will I find...?
Where will I find...?
First aid kit
The first aid kit is stored in the rear center
armrest.
Fold rear arm rest down1.

Press handle1 upwards.

Fold lid2 up.

Remove first aid kit.Vehicle jack, vehicle tool kit, luggage
bowl, spare wheel
The spare wheel, the vehicle tool kit and
the luggage bowl are stored in the com-
partment underneath the trunk floor.
1Vehicle jack
2Vehicle tool kit
3Luggage bowl
4Spare wheel
Lift up the trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
You can now remove the tools and ac-
cessories.The vehicle tool kit includes:


One pair of universal pliers


Two open-end wrenches


One hex-socket wrench


One interchangeable slot/Phillips
screwdriver


One towing eye bolt


One wheel wrench


One alignment bolt


One fuse extractor


One fuse chart for the main fuse box


Spare fuses
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.
!To prevent damage, always disengage
trunk floor handle from trunk edge and
lower trunk floor before closing the
trunk lid.

296 Practical hintsWhere will I find...?Vehicle jack
To prepare the vehicle jack for use
Remove the vehicle jack from the spare
wheel well under the trunk floor.

Push the crank handle up.

Turn the crank handle clockwise until it
engages (operational position).
Storing the vehicle jack in the trunk

Retract the vehicle jack arm to the
base of the vehicle jack.

Push the crank handle up.

Turn the crank handle counterclock-
wise to the end of the stop (storage po-
sition).Spare wheel
Removing the spare wheel

Take out vehicle tool kit tray 2.

Turn the luggage bowl 3 counterclock-
wise.

Remove the spare wheel 4.
Storing the spare wheel

Place spare wheel 4 in wheel well and
secure it with luggage bowl 3.

Turn the luggage bowl 3 clockwise to
its stop.

Place vehicle tool kit tray 2 in luggage
bowl 3.
Warning!
G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides of the vehicle. To help
avoid personal injury, use the jack only to lift
the vehicle during a wheel change. Never
get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from
the area under the lifted vehicle. Always
firmly set parking brake and block wheels
before raising vehicle with jack.
Do not disengage parking brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use, es-
pecially on hills. Always try to use the jack
on level surface. Make sure that the jack
arm is fully seated in the jack take-up brack-
et. Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.