2005 MERCEDES-BENZ C320 wheel

332 Practical hintsWhere will I find ...?Operational position
Turn crank handle clockwise until it
engages (operational position).
Before storing the vehicle jack in its
compartment:


It should be fully collapsed.


The handle must be folded in (storage
position).Setting up the collapsible wheel chock
The collapsible wheel chock serves to
additionally secure the vehicle, e.g. while
changing the wheel.
1Tilt the plate upward
2Fold the lower plate outward
3Insert the plate

Tilt both plates upward1.

Fold the lower plate outward2.

Guide the tabs of the lower plate all the
way into the openings of the base
plate3.

333 Practical hints
Where will I find ...?
Minispare wheel (except C 55 AMG)
The Minispare wheel is located in the
storage compartment underneath the
trunk floor.
Removing the Minispare wheel
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.

Loosen the retaining screw
(page 329) in the middle of storage
well casing.

Remove the storage well casing
(page 329).1Vehicle tool kit
2Arrow
3Minispare wheel
4Vehicle tool kit storage well casing

Remove vehicle tool kit storage well
casing4.

Remove Minispare wheel3.Storing the Minispare wheel

Place Minispare wheel3 in wheel
well.

Place vehicle tool kit storage well
casing4 over the Minispare wheel.
Make sure arrow2 on vehicle tool kit
storage well casing4 points in the
direction of travel.

Place storage well casing (
page 329)
over vehicle tool kit storage well
casing4 and turn the retaining screw
(
page 329) clockwise as far it will go
to secure the Minispare wheel.
iArrow2 on vehicle tool kit storage
well casing4 must point in the
direction of travel. Otherwise you
cannot place the storage well casing
(page 329) on top and secure the
Minispare wheel with the retaining
screw (
page 329).

334 Practical hintsWhere will I find ...?
In the case of a flat tire, you may
temporarily use the Minispare 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
replaced as appropriate.


Do not operate vehicle with more than
one Minispare wheel mounted.
For more information, see “Rims and Tires”
(
page 380).
Collapsible tire (C 55 AMG only)
The collapsible tire is located in the
storage compartment underneath the
trunk floor.
Removing the collapsible tire
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
1Collapsible tire
2Vehicle tool kit (under collapsible tire)
3Retaining screw
!To prevent damage, always disengage
trunk floor handle from upper edge of
trunk and lower trunk floor before
closing the trunk lid.Warning!
G
The dimensions of the Minispare wheel are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a Minispare wheel
mounted.
The Minispare wheel should only be used
temporarily, and should be replaced with a
regular road wheel as quickly as possible.

335 Practical hints
Where will I find ...?

Loosen retaining screw3 by turning it
counterclockwise.

Remove collapsible tire1.
Storing the collapsible tire
If you wish to store the collapsible tire after
use, carry out the following steps.
Otherwise the collapsible tire will not fit
the storage compartment.

Unscrew the valve cap from the valve
of the collapsible tire.

Take the valve extractor from the
vehicle tool kit (
page 331).

Unscrew the valve insert from the valve
and allow the air to escape.

Screw the valve insert back into the
valve.

Screw the valve cap back on the valve.

Pull the protective wrap provided with
the vehicle tool kit over the collapsible
tire.

Store the collapsible tire and the valve
extractor in the storage compartment
underneath the trunk floor.

Pierce the protective wrap with
retaining screw3.

Secure the collapsible tire by turning
retaining screw3clockwise.
!Make sure the collapsible tire is dry
when storing it.
iIt may take a few minutes for the col-
lapsible tire to deflate completely.
!To prevent damage, always disengage
trunk floor handle from upper edge of
trunk and lower trunk floor before
closing the trunk lid.Warning!
G
The dimensions of the collapsible tire are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a collapsible tire
mounted.
The collapsible tire should only be used tem-
porarily, and should be replaced with a reg-
ular road wheel as quickly as possible.

336 Practical hintsWhere will I find ...?In the case of a flat tire, you may
temporarily use the collapsible tire 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
replaced as appropriate.


Do not operate vehicle with more than
one collapsible tire mounted.
For more information, see “Rims and Tires”
(
page 380).
Spare wheel bolts
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel,
collapsible tire, or other steel rims
(located in trunk with spare wheel)
!Wheel bolts2 must be used when
mounting the Minispare wheel,
collapsible tire, or other steel rims. The
use of any wheel bolts other than wheel
bolts2 for the Minispare wheel,
collapsible tire, or other steel rims will
physically damage the vehicle’s
brakes. Warning!
G
Make sure to use the original length wheel
bolts when remounting the original wheel
after it has been repaired.

353 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 flasher
(page 114).

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

Set the parking brake (
page 54).

Move the gear selector lever toP
(manual transmission to first or reverse
gear).

Turn off the engine (
page 56).

Remove the SmartKey from the starter
switch.

Have any passenger exit the vehicle at
a safe distance from the roadway.
Mounting the spare wheel
Preparing the vehicle
Prepare the vehicle as described
(page 353).
Vehicles with Minispare wheel:

Take the wheel wrench, the wheel
bolts, and the jack out of the trunk
(page 329).

Take the Minispare wheel out of the
trunk (
page 333).
Vehicles with collapsible tire
(C 55 AMG only):

Take the collapsible tire, wheel wrench,
wheel bolts, jack, and electric air pump
out of the trunk (
page 330).
Warning!
G
The dimensions of the spare wheel
(Minispare or collapsible tire) are different
from those of the road wheels. As a result,
the vehicle handling characteristics change
when driving with a spare wheel mounted.
Adapt your driving style accordingly.
The spare wheel is for temporary use only.
When driving with spare wheel mounted,
ensure proper tire pressure and do not ex-
ceed a vehicle speed of 50 mph (80 km/h).
Drive to the nearest Mercedes-Benz Center
as soon as possible to have the spare wheel
replaced with a regular road wheel.
Never operate the vehicle with more than
one spare wheel mounted.
iOpen doors only when conditions are
safe to do so.

354 Practical hintsFlat tireLifting the vehicle
Prevent the vehicle from rolling away
by blocking wheels with wheel chocks
or other sizable objects.
One wheel chock is included with the
vehicle tool kit (
page 329).
When changing wheel on a level surface:

Place the wheel chock in front of and
another sizable object behind the
wheel that is diagonally opposite to the
wheel being changed.
When changing wheel on a hill:

Place the wheel chock and another
sizable object on the downhill side
blocking both wheels of the other axle.

On wheel to be changed, loosen but do
not yet remove the wheel bolts
(approximately one full turn with
wrench).
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,
especially on hills. Always try to use the jack
on level surface. Make sure the jack arm is
fully seated in the jack take-up bracket. Al-
ways lower the vehicle onto sufficient ca-
pacity jackstands before working under the
vehicle.

355 Practical hints
Flat tire
The jack take-up brackets are located
directly behind the front wheel housings
and in front of the rear wheel housings.
1Take-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

Unscrew 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.
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.
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolts
and wheel hub threads.