wheel torque MERCEDES-BENZ S500 2006 W221 Owner's Manual

326 OperationTires and wheelsRotating tires
Tire rotation can be performed on vehicles
with tires of the same dimension all
around. If your vehicle is equipped with
tires of the same dimension all around,
tires can be rotated, observing a
front-to-rear rotation pattern that will
maintain the intended rotation (spinning)
direction of the tire (
page 300).
In some cases, such as when your vehicle
is equipped with mixed-size tires (different
tire dimension front vs. rear), tire rotation
is not possible.If applicable to your vehicle’s tire configu-
ration, tires can be rotated according to
the tire manufacturer’s recommended in-
tervals in the tire manufacturer’s warranty
pamphlet located in your vehicle literature
portfolio. If none is available, tires should
be rotated every 3 000 to 6 000 miles
(5 000 to 10 000 km), or sooner if neces-
sary, according to the degree of tire wear.
The same rotation (spinning) direction
must be maintained (
page 300).
Rotate tires before the characteristic tire
wear pattern becomes visible (shoulder
wear on front tires and tread center wear
on rear tires).
Thoroughly clean the mounting face of
wheels and brake disks, i.e. the inner side
of the wheels/tires, during each rotation.
Check for and ensure proper tire inflation
pressure.For information on wheel change, see the
“Practical hints” section (
page 403).
Warning!
G
Rotate front and rear wheels only if the tires
are of the same dimension.
If your vehicle is equipped with mixed-size
tires (different tire dimensions front vs.
rear), tire rotation is not possible.
Warning!
G
Have the tightening torque checked after
changing a wheel. Wheels could become
loose if not tightened with a torque of
110 lb-ft (150 Nm).
Only use genuine Mercedes-Benz wheel
bolts specified for your vehicle’s rims.

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.

447 Technical terms
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline’s
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
Display field in the speedometer used
to present information provided by the
control system.
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.
Normal occupant weight
(
page 324)Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gi ne s pe ed r ange , as it m a y re su lt i n se -
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Parktronic system (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine components (alternator,
AC compressor, etc.) from the engine.Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing:


Engine


Clutch/torque converter


Transmission


Transfer case


Drive shaft


Differential


Axle shafts/axles
PRE-SAFE
®
(Pre
ventive occupant Safe
ty system)
Vehicles equipped with PRE-SAFE take
preventive measures when the system
senses certain driving dynamics sug-
gesting a possible accident.
Production options weight
(
page 324)

449 Technical terms
Telematics*
A combination of the terms “telecom-
munications” and “informatics.”
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
TIN
(T
ire I
dentification N
umber)
(
page 325)
Tire load rating
(page 325)
Tire ply composition and material used
(page 325)
Tire speed rating
(page 325)
Traction
(page 325)
Tread
(page 325)
Treadwear indicators
(page 325)Uniform Tire Quality Grading Standards
(
page 325)
Vehicle capacity weight
(page 325)
Vehicle level control
The ground clearance of the vehicle is
automatically controlled according to a
selected setting and speed. The driver
can choose manually within a range of
ground clearance, for example on very
rough roads.
Vehicle maximum load on the tire
(page 325)
VIN
(Vehicle I
dentification N
umber)
The number set by the manufacturer
and stamped on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).

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

477 Index
Ventilated storage compartment 203
Ventilation
Storage compartment 203
VIN (Vehicle Identification Number) 449
Voice control system* 449
Hands-free microphone 29
W
Warning indicators
Parktronic* 236
Warning lamps see Lamps, indicator and
warning
Warning sounds
Distance warning function* 226
Distronic* 220
Drivers seat belts 67
Parking brake 49
Warranty coverage 421
Washing the vehicle 332
Wear pattern (tires) 326
Weights 433Wheel change
Tightening torque 407
Wheels
Tires and wheels 297
Window curtain air bags 66
Windows see Side windows
Windshield
Refilling washer fluid 296
Replacing wiper blades 401
Washer fluid 296
Windshield washer fluid
Message in display 375
Refilling 296
Wiping with 53
Windshield wipers 52
Fast wiper speed 52
Intermittent wiping 52
Replacing wiper blades 401
Single wipe 53
Switching on 52
Wiping with windshield washer
fluid 53Winter driving 327
Block heater (Canada only) 328
Snow chains 328
Tires 327
Winter driving instructions 279
Winter tires 327
Wiper blades
Cleaning 335
Installing 402
Removing 401
Replacing 401
Wiping
And washing simultaneously 53
Interval 52
With windshield washer fluid 53
Wood trims
Cleaning 338
Wrench, wheel (vehicle tool kit) 385
X
Xenon headlamps
Bi-Xenon 444