2006 MERCEDES-BENZ C230 air

366 Practical hintsWhat to do if …Display message
Possible cause/consequence
Possible solution
Front-pass.
airbag
deactivated
See Operator’s
Manual
Front passenger front air bag is deac-
tivated while driving even though an
adult or someone larger than a small
individual is occupying the front pas-
senger seat. Forces acting on the
seat may make the system sense a
decrease in weight.
Stop the vehicle in a safe location as soon as possible and check the
front passenger seat for the following:
Switch off the ignition (
page 33).

Have the front passenger vacate the seat and exit the vehicle.

Keep the seat unoccupied, close the front passenger door and
switch on the ignition (
page 33).
(Continued on next page)

367 Practical hints
What to do if …
Display message
Possible cause/
consequence
Possible solution
Front-pass.
airbag
deactivated
See Operator’s
Manual
Monitor the 56indicator lamp on the center console (
page 27) and the mul-
tifunction display in the instrument cluster (
page 24) for the following:
With the seat unoccupied and the ignition turned on,


the 56indicator lamp on the center console should illuminate and remain
illuminated, indicating that the OCS (
page 77) has deactivated the air bag.


the message
Front-pass. airbag activated See Operator’s Manual
or the
message
Front-pass. airbag deactivated See Operator’s Manual
should not
appear in the multifunction display at any time the seat is unoccupied. Wait at last
60 seconds for the system to complete the necessary check cycles and to make
sure neither message appears in the multifunction display.
If above conditions are met, you can occupy the front passenger seat again. Depend-
ing on the front passenger classification sensed by the OCS (
page 77), the
56indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working properly. Have the system
checked as soon as possible by an authorized Mercedes-Benz Center.
Warning!
G
If the 56indicator lamp remains
illuminated with an adult occupant on the
front passenger seat even after performing
the above corrective steps, do not have any
passenger use the front passenger seat until
the system has been repaired.

383 Practical hints
Where will I find ...?
Where will I find ...?
First aid kit
The first aid kit is located in the trunk on
the left side secured by a hook and loop
fastener.
1First aid kit
2Hook and loop fastener
Unfasten hook and loop fastener2.

Remove first aid kit1.
Vehicle tool kit
The vehicle tool kit is located in the storage
compartment underneath the trunk floor.
The following is included:

Towing eye bolt


Wheel wrench


Alignment bolt


Vehicle jack


Spare fuses


Collapsible wheel chock


A pair of gloves Removing the vehicle tool kit

Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
1Retaining screw
2Storage well casing

Loosen retaining screw1 by turning it
counterclockwise.

Remove storage well casing2.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.


388 Practical hintsWhere will I find ...?In 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 432).
Spare wheel bolts
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel or other
steel rims (located in trunk with spare
wheel)
!Wheel bolts2 must be used when
mounting the Minispare wheel or other
steel rims. The use of any wheel bolts
other than wheel bolts2 for the
Minispare wheel 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.

399 Practical hints
Replacing bulbs
Rear lamps Notes on bulb replacement


Only use 12 volt bulbs of the same type
and with the specified watt rating.


Switch lights off before changing a bulb
to prevent short circuits.


Always use a clean lint-free cloth when
handling bulbs.


Your hands should be dry and free of oil
and grease.


If the newly installed bulb does not
come on, visit an authorized
Mercedes-Benz Center.
Lamp
Type
7
High mounted brake
lamp
LED
8
Brake lamp
P21W
9
Turn signal lamp
PY 21 W
a
Parking and side
marker lamp
P21/5W
b
Backup lamp
P21W
c
License plate lamps
C5W
d
Rear fog lamp (driver’s
side only), tail and
standing lamp
P21/4W
Warning!
G
Bulbs and bulb sockets can be very hot.
Allow the lamp to cool down before
changing a bulb.
Keep bulbs out of reach of children.
Halogen lamps contain pressurized gas.
A bulb can explode if you

touch or move it when hot


drop the bulb


scratch the bulb
Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

402 Practical hintsReplacing bulbsBi-Xenon* headlamp
1Housing cover for Bi-Xenon headlamp
2Housing cover for high beam flasher,
parking and standing lamp3Bulb socket for turn signal lamp bulb
4Bulb socket for high beam flasher bulb
5Bulb socket for parking and standing
lamp bulbHigh beam flasher bulb

Press the clamp on housing cover2
and remove it.

Pull the electrical connector off.

Turn bulb socket4 counterclockwise
and take out the bulb.

Insert the new bulb so that its socket
locates in the recess of the lamp
housing.

Turn bulb socket4 clockwise until it
engages.

Plug the electrical connector onto the
bulb.

Align housing cover2 and press until
it engages.
Warning!
G
Do not remove the cover1 for the
Bi-Xenon headlamp. Because of high voltage
in Bi-Xenon lamps, it is dangerous to replace
the bulb or repair the lamp and its compo-
nents. We recommend that you have such
work done by a qualified technician.

409 Practical hints
Flat tire
Mounting the spare wheel
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel (locat-
ed in trunk with spare wheel)
Clean contact surfaces of wheel and
wheel hub.

Guide spare wheel onto the alignment
bolt and push it on.

Insert wheel bolts and tighten them
slightly.
!Wheel bolts2 must be used when
mounting the Minispare wheel or other
steel rims. The use of any wheel bolts
other than wheel bolts2 for the
Minispare wheel will physically damage
the vehicle’s brakes.
!To avoid paint damage, place wheel flat
against hub and hold it there while
installing first wheel bolt.Warning!
G
Always replace wheel bolts that are
damaged 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.
Make sure to use the correct wheel bolts.

421 Practical hintsFuses
Fuses
Fuses are designed to protect the electri-
cal circuits in your vehicle from a short cir-
cuit. If a fuse is blown, the component(s)
and systems secured by that fuse will stop
operating.
The following aids are available to help you
replace fuses (
page 421):


Fuse chart


Spare fuses


Fuse extractor
The electrical fuses are located in different
fuse boxes:


Main fuse box in passenger
compartment (
page 422)


Fuse box in engine compartment
(page 422)


Fuse box in trunk (
page 423)
Aids for replacing fuses
Fuse chart
The fuse chart is located in the main fuse
box in the passenger compartment
(page 422). The amperages of the fuses
are also given there.
Spare fuses
Spare fuses are located in the vehicle tool
kit in the trunk (
page 383).
Fuse extractor
The fuse extractor is located in the fuse
box cover in the trunk (
page 423).
Warning!
G
Only use fuses approved by Mercedes-Benz
with the specified amperage for the system
in question. Using other fuses may cause an
overload leading to a fire, and/or cause
damage to electrical components and/or
systems.
!Never attempt to repair or bridge a
blown fuse. Have the cause determined
and remedied by an authorized
Mercedes-Benz Center.!Keep the fuse boxes free by contamina-
tion and wetness. Otherwise, electrical
parts or systems could be damaged.