tire pressure warning MERCEDES-BENZ S500 2006 W221 Owner's Guide

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

Bring the vehicle to a halt, avoiding
abrupt braking maneuvers. Observe the
traffic situation around you.

Change the wheel (
page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
TIRE PRESSURE, LF
CHECK TIRES
The left front tire inflation pressure is low.

Carefully bring the vehicle to a halt.

Check the tires. If no damage visible,
check and correct tire inflation pressure
as required (
page 308).

If necessary, change the wheel
(page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
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.

381 Practical hints
What to do if …?
Display
Possible cause
Possible solution
H
TIRE PRESSURE, RF
CAUTION, TIRE PRES.
The right front tire is deflating.

Bring the vehicle to a halt, avoiding
abrupt braking maneuvers. Observe the
traffic situation around you.

Change the wheel (
page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
TIRE PRESSURE, RF
CHECK TIRES
The right front tire inflation pressure is
low.

Carefully bring the vehicle to a halt.

Check the tires. If no damage visible,
check and correct tire inflation pressure
as required (
page 308).

If necessary, change the wheel
(page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
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.

382 Practical hintsWhat to do if …?Display
Possible cause
Possible solution
H
TIRE PRESSURE, LR
CAUTION, TIRE PRES.
The left rear tire is deflating.

Bring the vehicle to a halt, avoiding
abrupt braking maneuvers. Observe the
traffic situation around you.

Change the wheel (
page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
TIRE PRESSURE, LR
CHECK TIRES
The left rear tire inflation pressure is low.

Carefully bring the vehicle to a halt.

Check the tires. If no damage visible,
check and correct tire inflation pressure
as required (
page 308).

If necessary, change the wheel
(page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
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.

383 Practical hints
What to do if …?
Display
Possible cause
Possible solution
H
TIRE PRESSURE, RR
CAUTION, TIRE PRES.
The right rear tire is deflating.

Bring the vehicle to a halt, avoiding
abrupt braking maneuvers. Observe the
traffic situation around you.

Change the wheel (
page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
TIRE PRESSURE, RR
CHECK TIRES
The right rear tire inflation pressure is
low.

Carefully bring the vehicle to a halt.

Check the tires. If no damage visible,
check and correct tire inflation pressure
as required (
page 308).

If necessary, change the wheel
(page 403).

Have the damaged wheel repaired or re-
placed at an authorized Mercedes-Benz
Center.
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.

387 Practical hints
Where will I find ...?
Spare wheel S55AMG, S65AMG and
vehicles with Sport Package*
In case of a flat tire, you may temporarily
use the spare wheel when observing the
following restrictions:

Do not exceed a vehicle speed of
50 mph (80 km/h).


Drive to the nearest tire repair facility
to have the flat tire repaired or re-
placed as appropriate.


Do not operate vehicle with more than
one spare wheel mounted.For more information, see “Rims and tires”
(
page 426).
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 mounted spare
wheel. Adapt your driving style accordingly.
Never operate the vehicle with more than
one spare wheel mounted.
The spare wheel is for temporary use only.
When driving with spare wheel mounted,
ensure proper tire inflation pressure and do
not exceed vehicle speed of 50 mph
(80 km/h).
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 acci-
dent and possible injuries.
The spare wheel should only be used tempo-
rarily and replaced with a regular road wheel
as quickly as possible.

403 Practical hints
Flat tire
Flat tire
Preparing the vehicle
Park the vehicle as far as possible from
moving traffic on a hard surface.

Turn on the hazard warning flashers.

Turn the steering wheel so that the
front wheels are in a straight ahead
position.

Set the parking brake.

Move the gear selector lever toP.
Vehicles with SmartKey:

Turn off the engine (
page 57).

Remove the SmartKey from the starter
switch.
Vehicles with SmartKey with
KEYLESS-GO*:

Turn off the engine by pressing the
KEYLESS-GO* button on the gear se-
lector lever once (
page 57).

Open the driver’s door (this puts the
starter switch in position0, same as
with the SmartKey removed from the
starter switch). The driver’s door then
can be closed again.
Vehicles with SmartKey:

Have any passenger exit the vehicle at
a safe distance from the roadway.
Mounting the spare wheel
iOpen the door only when conditions
are safe to do so.Warning!
G
Never operate the vehicle with more than
one spare wheel mounted.
When driving with spare wheel mounted,
ensure proper tire inflation pressure.
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 acci-
dent and possible injuries.
The spare wheel should only be used tempo-
rarily and replaced with a regular road wheel
as quickly as possible.
Additional information for S 55 AMG,
S 65 AMG and vehicles with Sport Pack-
age*:
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 mounted spare
wheel. Adapt your driving style accordingly.
The spare wheel is for temporary use only.
When driving with spare wheel mounted, do
not exceed vehicle speed of 50 mph
(80 km/h).

407 Practical hints
Flat tire

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

Insert wheel bolts and tighten them
slightly.

Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Lowering the vehicle

Lower vehicle by turning crank coun-
terclockwise until vehicle is resting ful-
ly on its own weight.

Remove the jack.1 - 5 Wheel bolts

Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of
110 lb-ft (150 Nm).

Before storing the jack in the trunk, it
should be fully collapsed, with handle
folded in.

Place the wheel bolt wrench, alignment
bolt and jack back in the vehicle tool kit
in the trunk and close the covering lid.
Replacing jack support tube cover

Slide tongue of cover under the upper
edge of the tube opening.

Applying even pressure, press cover
until it snaps into place. Be careful not
to damage the locking tabs or clamp
the plastic retaining strap.
Warning!
G
Use only genuine equipment
Mercedes-Benz wheel bolts. Other wheel
bolts may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
fall off the jack.
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
110 lb-ft (150 Nm).
!You can also store and secure the dam-
aged wheel in the spare wheel well in
the trunk.
Do not activate the tire inflation pres-
sure monitor* until the depressurized
tire is no longer in the vehicle.

444 Technical termsBAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bead
(
page 323)
Bi-xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-xenon headlamps produce low beam
and high beam.
CAC
(Customer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Cold tire inflation pressure
(
page 323)
COMAND
(Cockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and navi-
gation system, as well as other optional
equipment (CD changer, telephone,
etc.).Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system that auto-
matically maintains the vehicle speed
set by the driver.
Curb weight
(
page 323)

446 Technical termsGPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs DVD digital maps for
navigation.
GVW
(G
ross V
ehicle W
eight)
(
page 323)
GVWR
(Gross V
ehicle W
eight R
ating)
(
page 324)
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
engine temperature and fuel gauge.
KEYLESS-GO*
System for entering and operating the
vehicle without the use of a SmartKey.Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.
Kilopascal (kPa)
(
page 324)
Line of fall
The direct line that an object moves
downhill when influenced by the force
of gravity alone.
Locking knob
Knob on the door which indicates
whether the door is locked or un-
locked. Pushing the locking knob down
on an individual door from inside will
lock that door.Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service accord-
ingly.
Maximum load rating
(
page 324)
Maximum loaded vehicle weight
(page 324)
Maximum tire inflation pressure
(page 324)
Memory function
Used to store three individual seat,
steering wheel and exterior mirror posi-
tions for each SmartKey or SmartKey
with KEYLESS-GO*.

474 IndexTemperature
Display mode 163
Setting units in display 163
Tires 307
Tie-down hooks (Trunk) 240
Tightening torque 449
Tightening torque (Wheel bolts) 407
Tilt/sliding sunroof
Stopping 214
Synchronizing 214
TIN 325
Tire
Vehicle maximum load on 325
Tire and Loading Information 301
Tire and loading terminology 323
Tire care and maintenance 298
Tire Identification Number see TIN
Tire inflation pressure
Checking 286, 306, 308
Setting units 164
Tire inflation pressure see the placard on
the fuel filler flapTire inspection 298
Tire load rating 325
Tire ply composition and material
used 325
Tire speed rating 278, 315, 325
Tire terminology 323
Tire traction 278
Tires 297
Direction of rotation 300
Driving instructions 277
Messages in display 376–383
Retreads 297
Rotating 326
Service life 298
Temperature 307, 322
Tire inflation pressure monitor warning
lamp 346
Tread depth 299, 327
Wear pattern 326
Winter 327
Tools 384Tow-away alarm 88
Arming 88
Canceling alarm 89
Disarming 88
Disarming for transport 88
Towing eye bolt (vehicle tool kit) 385
Installing 415
Towing the vehicle 413
Traction 179, 325
Transmission see Automatic
transmission 293
Tread 325
Tread depth 299
Tread depth (tires) 327
Treadwear indicators 325
Trip computer 157
Trip odometer
Resetting 141