2002 MERCEDES-BENZ S55AMG tire pressure

323 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
1 One or more tires is or has deflated rapidly. Carefully bring the
vehicle to a halt, avoiding abrupt steering and braking maneuvers.
For reference on changing wheels, see page 348.
2 The tire pressure on one or more tires is already below minimum
value. Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. For reference on changing
wheels, see page 351.
3 For tire inflation pressure monitor, see page 152.4 Tire pressure in one or more tires is low. Check and correct tire
pressure according to the label affixed inside the fuel filler flap.
For tire inflation pressure, see page 356.
The tire inf lation pressure monitor must be activated again after
the tire inflation pressure has been corrected, see page 152.
5 When the message appears after starting the engine, the tire
inflation pressure on all road wheels should be checked and
corrected according to the label affixed inside the fuel filler flap.
For tire inflation pressure, see page 356.
The tire inf lation pressure monitor must be activated again after
the tire inflation pressure has been corrected, see page 152.
6 The tire inflation pressure monitor system is unable to monitor the
tire pressure due to the presence of several wheel electronics in
the vehicle (e.g. a deflated road wheel in the trunk), or nearby
radio interference source, or excessive wheel sensor temperatures,
or unrecognized wheel sensors mounted.
7 The tire inflation pressure monitor is defective or a wheel without
proper sensor was installed. Visit your authorized Mercedes-Benz
Center.Wa r n i n 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. Continued driving with a flat
tire will cause excessive heat build-up and possibly
a fire.

335 Contents – Practical hints
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Practical hintsFirst aid kit .....................................336
Stowing things in the vehicle ......336
Fuses ................................................337
Hood .................................................339
Checking engine oil level .............342
Automatic transmission
fluid level ...................................343
Active body control (ABC)
fluid level ...................................343
Coolant level ...................................344
Adding coolant ...........................344
Windshield and headlamp
washer system ...........................345
Windshield and headlamp
washer fluid mixing ratio .........345Spare wheel, vehicle tools,
storage compartment ............... 346
Vehicle jack .................................... 347
Wheels ............................................ 348
Tire Replacement ....................... 348
Rotating wheels ......................... 349
Spare wheel .................................... 349
Changing wheels ........................... 351
Tire inflation pressure ................. 356
Battery ............................................. 357
Jump starting ................................. 359
Towing the vehicle ........................ 361
Exterior lamps ............................... 364
Headlamp assembly .................. 365
Taillamp assemblies .................. 368Changing batteries in
the electronic key ..................... 371
Synchronizing
remote control ............................373
Changing batteries in the
KEYLESS-GO-card ..................... 374
Emergency engine
shut-down .................................. 376
Fuel filler flap,
manual release .......................... 376
Emergency operation of
sliding/pop-up roof ...................377
Replacing wiper blades .................378
Roof rack .........................................380

349 Tires, Wheels
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Rotating wheels
The wheels can be rotated according to the degree of
tire wear while retaining the same direction of travel.
Rotating, however, should be carried out as
recommended by the tire manufacturer, before the
characteristic tire wear pattern (shoulder wear on front
wheels and tread center wear on rear wheels) becomes
visible, as otherwise the driving properties deteriorate.
Notes:
Thoroughly clean the inner side of the wheels any time
you rotate the wheels or wash the vehicle underside.
The use of retread tires is not recommended. Retread
tires may adversely affect the handling characteristics
and safety of the vehicle.
Dented or bent rims can cause tire pressure loss and
damage to the tire beads. For this reason, check rims for
damage at regular intervals. The rim flanges must be
checked for wear before a tire is mounted. Remove
burrs, if any.
Check and ensure proper tire inflation pressure after
rotating the wheels. For tire inflation pressure see
inside of fuel filler flap and also page 296.Spare wheel
Spare wheel S 430, S 500 and S 600
(except Sport Package)
Important!
The spare wheel rim is mounted with a full size tire of
the same type as on the vehicle, and is fully functional.
However, that spare wheel rim is weight optimized and
has a limited service life of 12 000 miles (20 000 km)
use before a standard wheel rim must replace it.
In the case of a flat tire, you may temporarily use the
spare wheel.
Do not operate vehicle with more than one spare wheel
mounted.
Wa r n i n g !
The spare wheel rim is for temporary use only. Use
for over a total of 12 000 miles (20 000 km)
(aggregate of all uses) may cause wheel rim failure
leading to an accident and possible injuries.

355 Tires, Wheels
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index 12. Using the wrench, tighten the five bolts evenly,
following the sequence illustrated, until all bolts are
tight.
Observe a tightening torque of 110 ft.lb. (150 Nm).
13. Ensure proper tire pressure.
Notes:
Before storing the jack, the jack arm must be lowered
almost to the base of the jack.
For proper storage of vehicle jack see page 346.
Wa r n i n g !
Always replace wheel bolts that are damaged or
rusted.Never apply oil or grease to wheel bolts.Damaged wheel hub threads should be repaired
immediately.Incorrect mounting bolts or improperly tightened
mounting bolts can cause the wheel to come off.
This could cause an accident. Be sure to use the
correct mounting bolts.Wa r n i n g !
The spare wheel rim is for temporary use only. Use
for over a total of 12 000 miles (20 000 km)
(aggregate of all uses) may cause wheel rim failure
leading to an accident and possible injuries.The spare wheel should only be used temporarily,
and replaced with a regular road wheel as quick as
possible.S 55 AMG and Sport Package:
The dimensions of the spare wheel are different
from those of the road wheels. As a result, the
vehicle handling characteristics change when
driving with a mounted spare wheel.

356 Tires, Wheels
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Tire inflation pressure
A table (see fuel filler flap) lists the tire inflation
pressures specified for Mercedes-Benz recommended
tires as well as for the varying operating conditions.
For notes on checking the tire pressure using the tire
inflation pressure monitor, see page 152.
Important!
Tire pressure changes by approximately 1.5 psi (0.1 bar)
per 18
°F (10
°C) of air temperature change. Keep this in
mind when checking tire pressure inside a garage –
especially in the winter.
Example:
If garage temperature = approximately +68
°F (+20
°C)
and ambient temperature = approximately +32
°F (0
°C)
then the adjusted air pressure = specified air pressure
+3 psi (+0.2 bar).Tire pressures listed for light loads are minimum values
offering high driving comfort. Increased inflation
pressures for heavy loads produce favorable handling
characteristics with lighter loads and are perfectly
permissible. The ride of the vehicle, however, will
become somewhat harder.
Tire temperature and pressure increase with the vehicle
speed. Tire pressure should therefore only be checked
and corrected on cold tires. Correct tire pressure in
warm tires only if pressure has dropped below the
pressure listed in the table and the respective operating
conditions are taken into consideration.
An underinflated tire due to a slow leak (e.g. due to a
nail in the tire) may cause damage such as tread
separation, bulging etc.. Regular tire pressure checks
(including the spare tire) at intervals of no more than
14 days are therefore essential.
If a tire constantly loses air, it should be inspected for
damage.

357 Battery
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index The spare tire should be checked periodically for
condition and inflation. Spare tire will age and become
worn over time even if never used, and thus should be
inspected and replaced when necessary.Battery
Important!
Battery replacement information:
The maintenance-free battery is located in the trunk
under the right-hand wheel well cover panel.
The service life of the battery is dependent on its
condition of charge. The battery should always be kept
sufficiently charged, in order to last an optimum length
of time.
Wa r n i n g !
Do not overinflate tires. Overinflating tires can
result in sudden deflation (blowout) because they
are more likely to become punctured or damaged
by road debris, potholes etc.. Follow recommended
inflation pressures.Do not overload the tires by exceeding the specified
vehicle capacity weight (as indicated by the label
on the driver’s door latch post). Overloading the
tires can overheat them, possibly causing a
blowout.
Wa r n i n g !
Failure to follow these instructions can result in
severe injury or death.Never lean over batteries while connecting, you
might get injured.Battery fluid contains sulfuric acid. Do not allow
this fluid to come in contact with eyes, skin or
clothing. In case it does, immediately flush affected
area with water and seek medical help if necessary.A battery will also produce hydrogen gas, which is
flammable and explosive. Keep flames or sparks
away from battery, avoid improper connection of
jumper cables, smoking etc..

418 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
ENTRY POSITION ..................................................... 312
ESP .............................................................................. 315
HOOD .......................................................................... 326
KEY .............................................................................325
LAMP SENSOR ..........................................................320
LIGHTING SYSTEM ................................................... 318
PARKING BRAKE ...................................................... 314
SELECTOR LEVER ....................................................329
TELE AID .................................................................... 327
TELEPHONE – FUNCTION ...................................... 329
TIRE PRESSURE ........................................................ 322
TRUNK OPEN ............................................................ 314
WASHER FLUID ........................................................ 330
Manual operation of sliding/pop-up roof ................... 377
Manual release for fuel filler flap ............................... 376
Mechanical keys ........................................................ 29, 45
Memory ................................................. 102, 103, 104, 108
Recalling ..................................................................... 109
Storing ........................................................................ 109
Mirror, exterior
Adjusting .................................................................... 104
Parking position ........................................................ 105
Mirror, exterior, rear view ............................................ 104
Mirror, inside, rear view ............................................... 103
Multicontour backrest ..................................................... 69Multifunction display .................................................... 118
Audio systems ............................................................124
Cassette player .......................................................... 126
CD player ....................................................................125
Distronic (DTR) .......................................................... 133
Engine oil level indicator .........................................122
FSS ...............................................................................122
Individual settings .................................................... 138
Malfunction/warning message memory ............... 136
Navigation system ..................................................... 132
Radio ...........................................................................124
Telephone ...................................................................127
Telephone – Incoming call ...................................... 131
Telephone – Redialing .............................................. 129
Telephone book ......................................................... 127
Tire inflation pressure monitor ..............................122
Trip and main odometer and sub menu ................122
Trip computer ............................................................ 134
Vehicle speed .............................................................122
Multifunction steering wheel ....................................... 118
Setting the audio volume ......................................... 148

422 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
TTachometer ......................................................................117
Technical data ................................................................ 396
Electrical system ....................................................... 400
Main dimensions ...................................................... 401
Rims and tires ...........................................................398
Weights ....................................................................... 401
Tele Aid ........................................................................... 218
Emergency calls ........................................................ 219
Information ................................................................ 223
Initiating an emergency call manually ................. 221
Roadside Assistance ................................................. 222
TELE AID -
malfunction and warning messages ......................327
Telephone ........................................................................ 127
General notes .................................................... 209, 216
Incoming call ............................................................. 131
Redialing .................................................................... 129
Telephone book ......................................................... 127
TELEPHONE – FUNCTION -
malfunction and warning messages ......................329
Telephones and two-way radios ................................... 216
The first 1 000 miles (1 500 km) ................................ 217
Tire inflation pressure .................................................. 356Tire inflation pressure monitor ................................... 152
Inquiry of present tire inflation pressure ............. 152
TIRE PRESSURE -
malfunction and warning messages ..................... 322
Tires
Driving instructions .................................................251
Rims and tires .......................................................... 398
Rotating wheels ........................................................ 349
Tire inflation pressure ............................................ 356
Tire Replacement ..................................................... 348
Tire speed rating ...................................................... 253
Tire traction .............................................................. 252
Winter driving instructions .................................... 254
Tool kit
See Vehicle tools ....................................................... 346
Tow-away alarm ................................................................ 61
Towing the vehicle ......................................................... 361
Traveling abroad ........................................................... 257
Trip computer ................................................................. 134
Trip odometer ................................................................. 117
Trunk ................................................................................. 51
Opening ........................................................................ 36
Power closing assist .................................................... 48
Release switch ............................................................. 55
Release/close switch ..................................................56
Trunk lid closing feature ...........................................53