MERCEDES-BENZ C320 COUPE 2004 CL203 Owner's Manual

291 Practical hints
Unlocking/locking in an emergency

Return battery compartment into hous-
ing until it locks in place.

Slide mechanical key1 back into the
SmartKey.
Fuel filler flap
In case the central locking system does
not release the fuel filler flap, you can open
it manually.
Open the trunk lid.

Fold right-side tail lamp trim aside.

Reach inside through opening2.

Turn release knob1 clockwise (ar-
row).
The fuel filler flap can now be opened.
Manually unlocking the gear selector
lever
In the case of power failure the gear selec-
tor lever can be manually unlocked, e.g. to
tow the vehicle.
1Coin holder
2Tool

Open the storage compartment in front
of the center armrest.

Release coin holder1 (e.g. using a
small coin).

Swing coin holder1 aside.

Insert a tool2 (e.g. flat blade screw-
driver) into the opening.

Perform the following two steps simul-
taneously:
Push the tool down.

Move gear selector lever from
positionP.

Reinstall the coin holder after removing
the tool from the opening.
iWhen inserting the batteries, make
sure they are clean and free of lint.
iThe gear selector lever is locked again
when moving it to positionP.

292 Practical hintsOpening/closing in an emergency
Opening/closing in an emergencyPanorama sliding/pop-up roof
You can open or close the panorama slid-
ing/pop-up roof manually should an elec-
trical malfunction occur.
The panorama sliding/pop-up roof drive is
located behind the lens of the interior over-
head light.
Pry off lens1 using a flat blade screw-
driver.

Slide both locking tabs2 in direction
of arrow.

Lower rear of cover and remove.

Remove cover.

Obtain crank3.

Insert crank3 through hole.

Turn crank3 clockwise to:

slide roof closed


raise roof at the rear

Turn crank3 counterclockwise to:

slide roof open


lower roof at the rear
The panorama sliding/pop-up roof must be
resynchronized after being operated man-
ually (page 193).
iDo not disconnect electrical connec-
tors.

293 Practical hints
Replacing bulbs
Replacing bulbs
Safe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp as-
semblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See your autho-
rized Mercedes-Benz Center for headlamp
adjustment.
Bulbs Front lamps
iBackup bulbs will be brought into use
when the following lamps malfunction:

Rear fog lamp


Tail lamps


Standing lamps
Lamp
Type
1
Additional turn sig-
nal lamps
LED
2
Turn signal lamp
Halogen headlamp
Turn signal lamp
Bi-Xenon* headlamp
1156A
2357A
3
Halogen headlamps:
Low beam
Bi-Xenon* head-
lamps:
Low and high beam
H7 (55W)
D2S-35W
4
Halogen headlamps:
High beam
Bi-Xenon* head-
lamps:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and stand-
ing lamp
W 5 W
5
Fog lamp
HB4/9006
(55 W)

294 Practical hintsReplacing bulbsRear lamps Notes on bulb replacement


Use only 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.


Have the LEDs and bulbs for the follow-
ing lamps replaced by an authorized
Mercedes-Benz Center.

Additional turn signals in the exteri-
or rear view mirrors


High mounted brake lamp


Xenon lamps


Front fog lamps
Lamp
Type
6
Side marker lamp
5W5
7
High mounted brake
lamp
LED
8
License plate lamps
C5W
9
Brake lamp
P 21 W
Turn signal lamp
PY21W
Tail, parking stand-
ing and side marker
lamp
P21/5W
Rear fog lamp, driv-
er’s side
P21/4W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
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.
Bec a us e o f hi gh vo lt age in xen o n l am ps , i t i s
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

295 Practical hints
Replacing bulbs
Replacing bulbs for front lamps
Halogen headlamps
1Bulb socket for turn signal lamp
2Headlamp cover for high beam head-
lamp and for parking and standing
lamp
3Headlamp cover for low beam head-
lamp4Low beam bulb
5High beam bulb
6Parking and standing lamp
Low and high beam bulb

Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover2 or 3 to the
left and remove.

Turn bulb holder with bulb to the left
and pull out.

Pull out the bulb from the base (do not
pull on glass tube).

Insert new bulb so that the base fits in
the bulb holder recess and is level.

Place the bulb holder with bulb on the
headlamp mounting and turn the bulb
holder to the right until it engages.

Replace headlamp cover2 or 3 and
turn to the right until it engages.
Front turn signal lamp bulb

Switch off the lights.

Open the hood (
page 236).

Turn bulb socket1 to the left and pull
out.

Push bulb into socket, turn to the left
and remove.

Insert new bulb in socket, push in and
turn to the right.

Reinsert bulb socket in lamp and turn
to the right.

296 Practical hintsReplacing bulbsParking and standing lamp bulb
Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover2 to the left and
remove.

Pull out the bulb socket with the bulb.

Pull the bulb out of the bulb socket.

Insert a new bulb in the socket.

Reinstall the bulb socket.

Replace headlamp cover2 and turn to
the right until it engages.Bi-Xenon* headlamps
1Bulb socket for turn signal lamp
2Cover for high beam flasher, parking
and standing lamp3Headlamp cover for Bi-Xenon head-
lamp
4High beam bulb for high beam flasher
5Bulb holder
6Parking and standing lamp
High beam bulb for high beam flasher

Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover2 to the left and
remove.
iIf the inside of the headlamps is fogged
up, switch the lights on for a sufficient
amount of time.
Warning!
G
Do not remove the cover
3
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.

297 Practical hints
Replacing bulbs

Turn bulb holder5 with bulb to the left
and pull out.

Pull out bulb from the base (do not pull
on glass tube).

Insert new bulb so that the base fits in
the bulb holder recess and is level.

Place the bulb holder with bulb on the
lamp mounting and turn bulb holder to
the right until it engages.

Install cover2 and turn to the right
until it engages.Front turn signal lamp bulb

Switch off the lights.

Open the hood (
page 236).

Turn bulb socket1 to the left and pull
out.

Push bulb into socket, turn to the left
and remove.

Insert new bulb in socket, push in and
turn to the right.

Reinsert bulb socket in lamp and turn
to the right.Parking and standing lamp bulb

Switch off the lights.

Open the hood (
page 236).

Turn headlamp cover2 to the left and
remove.

Pull out the bulb socket6 with the
bulb.

Pull the bulb out of the bulb socket.

Insert a new bulb in the socket.

Reinstall the bulb socket.

Install cover2 and turn to the right
until it engages.

298 Practical hintsReplacing bulbsSide marker lamp bulb
Switch off the lights.

Carefully slide lamp towards rear.

Remove front end first.

Twist bulb socket counterclockwise
and pull out.

Pull bulb out of the bulb socket.

Insert new bulb in socket.

Reinstall bulb socket, push in and twist
clockwise.

To reinstall lamp, set rear end in
bumper and let front end snap into
place.
Replacing bulbs for rear lamps
Tail lamp assemblies
Switch off the lights.

Open the trunk lid (
page 85).

Turn handles2.

Remove the trim panel1.

Press together the latches1.

Remove bulb holder.

Gently push bulb into socket, turn
counterclockwise and remove.

Insert new bulb and reinstall bulb
socket.

Reinstall trim panel.

299 Practical hints
Replacing bulbs
1Stop lamp
2Back up lamp
3Turn signal lamp
4Tail, parking, standing and rear fog
lamp (driver’s side)License plate lamp
1Screws

Switch off the lights.

Loosen both screws1 and remove
lamp.

Replace the tubular lamp and reinstall
lamp.

Retighten the screws.

300 Practical hintsReplacing wiper blades
Replacing wiper bladesRemoving
Fold the wiper arm forward.
1Lock
2Unlock

Pull the tab in the direction of arrow2
and remove windshield wiper.
Installing
Slide the wiper blade into the cutout on
the wiper arm.

Slide the tab back in the direction of
arrow1 until it audibly engages.

Fold the wiper arm back to rest on the
windshield.
Warning!
G
For safety reasons, remove SmartKey from
starter switch before replacing a wiper
blade, otherwise the motor could suddenly
turn on and cause injury.
!Never open the hood when the wiper
arm is folded forward.
Hold onto the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Do not allow the wiper arms to contact
the windshield glass without a wiper
blade inserted.
Make certain that the wiper blades are
properly installed. Improperly installed
wiper blades may cause windshield
damage.
For your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Center.