wheel alignment MERCEDES-BENZ CLS500 2006 W219 Owner's Manual

399 Practical hints
Where will I find ...?
Removing the spare wheel
Turn luggage bowl counterclockwise.

Remove spare wheel2.
Storing the spare wheel

Place spare wheel2 in wheel well.

Turn luggage bowl clockwise to its stop
to secure the spare wheel.
Vehicle tool kit
The vehicle tool kit is stored in the com-
partment underneath the trunk floor
(page 398).
The vehicle tool kit includes:


One pair of universal pliers


One towing eye bolt


One wheel wrench


One alignment bolt


One fuse extractor


One collapsible wheel chock


Spare fusesVehicle jack
!Always lower trunk floor before closing
the trunk.iVehicles with collapsible tire:
The electrical air pump is located under
the luggage bowl3.
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 a level surface. Make sure the jack arm is
fully seated in the jack take-up bracket.
Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.

425 Practical hints
Flat tire
The jack take-up brackets are located di-
rectly behind the front wheel housings and
in front of the rear wheel housings.
1Jack take-up bracket
2Jack
Place jack2 on firm ground.

Position jack2 under take-up
bracket1 so that it is always vertical
(plumb-line) as seen from the side,
even if the vehicle is parked on an
incline.

Jack up the vehicle until the wheel is a
maximum of 1.2 in (3 cm) from the
ground. Never start engine while
vehicle is raised.Removing the wheel
1Alignment bolt
Warning!
G
The jack is intended only for lifting the
vehicle 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.

426 Practical hintsFlat tire
Unscrew the upper-most wheel bolt
and remove.

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

Remove the remaining bolts.

Remove the wheel.Mounting the spare wheel

Clean contact surfaces of wheel and
wheel hub.

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

Insert wheel bolts and tighten them
slightly.
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolt
and wheel hub threads.
Warning!
G
Vehicles with collapsible tire:
Inflate collapsible tire only after the wheel is
properly mounted.
Inflate the collapsible tire using the electric
pump (
page 427)
before
lowering the
vehicle.
!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
repaired immediately. Do not continue to
drive under these circumstances! Contact
an authorized 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. Be
sure to use the correct wheel bolts.

427 Practical hints
Flat tire

Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Vehicles with Minispare wheel:

Continue the procedure by following
the instructions under “Lowering the
vehicle” (
page 429).
Vehicles with collapsible tire:

Continue the procedure by following
the instructions under “Inflating the
collapsible tire” and then “Lowering the
vehicle” (
page 429).Inflating the collapsible tire

Take the electric air pump out of the
trunk (
page 398).
1Flap
2Air pump switch
3Electrical plug
4Air hose with pressure gauge and vent
screw
5Union nut

Open flap1 on the air pump.

Pull out electrical plug3 and air hose
with pressure gauge4.

Make sure the vent screw on air hose
4 is closed.

Remove the valve cap from the tire
valve.
Warning!
G
Only use Genuine equipment
Mercedes-Benz wheel bolts. Other wheel
bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle
could fall off the jack.
!Do not lower the vehicle before inflat-
ing the collapsible tire. Otherwise the
rim may be damaged.Warning!
G
Observe instructions on air pump label.


471 Technical terms
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 332)
ADS
(Adaptive D
amping S
ystem)
Automatically adapts the optimum sus-
pension damping to prevailing driving
conditions.
Air pressure
(
page 332)Airmatic DC
(A
irmatic D
ual C
ontrol)
Automatically selects the optimum
suspension tuning and ride height for
your vehicle. Airmatic consists of two
components:


Adaptive Damping System


Vehicle level control
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 332)BabySmart
TM 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 (the
57indicator lamp in the
center console comes on and remains
illuminated).
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front air bag if a BabySmart
TM
compatible child seat is installed. See
an authorized Mercedes-Benz Center
for availability.