wheel alignment MERCEDES-BENZ S350 2006 W221 Owner's Manual

385 Practical hints
Where will I find ...?
The vehicle tool kit includes:

One interchangeable slot/Phillips
screwdriver


One towing eye bolt


One wheel bolt wrench with socket
wrench


One alignment bolt


One pair of gloves


One fuse extractor


One fuse chart for the main fuse box


Spare fusesVehicle 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).
!To prevent damage, always disengage
trunk floor handle from trunk lid and
lower trunk floor before closing the
trunk lid.


406 Practical hintsFlat tire
Keeping jack in this position, turn
crank3 clockwise until the jack base
meets the ground. Make sure the jack
is vertical (plumb line).

Continue to turn the crank until the tire
is a maximum of 1.2 in (3 cm) from the
ground.Removing the wheel
1Alignment bolt

Unscrew upper-most wheel bolt and re-
move.

Replace this wheel bolt with alignment
bolt1 supplied in the tool kit.

Remove the remaining bolts.

Remove the wheel.Mounting the new wheel

Clean contact surfaces of wheel and
wheel hub.
Warning!
G
The jack is intended only for lifting the vehi-
cle briefly for wheel changes. It is not suited
for performing maintenance work under the
vehicle.

Never start the engine when the vehicle
is raised.


Never lie down under the raised vehicle.
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolt
and wheel hub threads.
!To avoid paint damage, place wheel flat
against hub and hold it there while in-
stalling first wheel bolt.Warning!
G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be re-
paired immediately. Do not continue to drive
under these circumstances! Contact an au-
thorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tight-
ened wheel bolts can cause the wheel to
come off. This could cause an accident.
Make sure you are using the correct wheel
bolts.


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.

443 Technical terms
ABC
(A
ctive B
ody C
ontrol)
Active, computer-controlled system
that hydraulically adjusts the suspen-
sion at all four wheels in response to
various driving situations.
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 323)
ADS
(Adaptive D
amping S
ystem)
Automatically adapts the optimum sus-
pension damping to prevailing driving
conditions.Airmatic
Automatically selects the optimum sus-
pension tuning and ride height for your
vehicle. Airmatic consists of two com-
ponents:


Adaptive Damping System


Vehicle level control
Air pressure
(
page 323)
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
Aspect ratio
(page 323)BabySmart
TM1
air bag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front air bag when such
a seat is properly installed
(the58indicator lamp in the
center console comes on).
BabySmart
TM
compatible child seats
Special restraint system for children.
The sensor system for the front pas-
senger seat prevents deployment of
the passenger front air bag if a
BabySmartTM compatible child seat is
installed. See an authorized
Mercedes-Benz Center for availability.
Bar
(
page 323)
1BabySmart
TM is a trademark of Siemens Automo-
tive Corp.

476 IndexUseful features 241
Ashtrays 249
Cigarette lighter 250
Document holder 241
Garage door opener 263
Heated steering wheel* 252
Storage compartments 242
Tele Aid 254
Telephone* 253
Vanity mirror in the rear 242
Vanity mirror in the sun visor 241
V
Vacuum line routing diagram label 422
Vanity mirror in the rear 242
Vanity mirror in the sun visor 241
Vehicle
Individual settings 160, 162
Locking in an emergency 389
Lowering 407
Service battery 408
Towing 413
Unlocking in an emergency 388
Vehicle battery 408
Vehicle capacity weight 325Vehicle care 332
Cup holder 337
Distronic* system sensor cover 335
Engine cleaning 334
Gear selector lever 337
Hard plastic trim items 337
Headlamps 334
Instrument cluster 337
Leather upholstery 338
Light alloy wheels 337
Ornamental moldings 334
Paintwork 333
Parktronic* system sensor 335
Plastic and rubber parts 338
Power washer 333
Seat belts 337
Side markers 334
Steering wheel 337
Tail lamps 334
Tar stains 333
Turn signals 334
Upholstery 338
Vehicle washing 334
Window cleaning 336
Wiper blades 335
Wood trims 338Vehicle data recording 19
Vehicle level 230, 233
Changing 231, 234
Setting 231, 234
Automatic 231, 234
Manual 231, 234
Vehicle level control 449
Vehicle lighting
Checking 286
Vehicle loading terminology 323
Vehicle maximum load on the tire 325
Vehicle status message memory 159
Calling up 159
Displaying 159
Vehicle submenu
Limiting opening height of trunk lid*
(Control system) 169
Vehicle tool kit 384, 385
Alignment bolt 385
Fuse chart 385
Fuse extractor 385
Gloves 385
Screwdriver 385
Spare fuses 385
Wheel wrench 385
Vehicle washing 334