MERCEDES-BENZ CLK320 COUPE 2003 C209 Owner's Manual

311 Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
If you are unable to unlock the trunk with
the SmartKey, open the trunk with the me-
chanical key as follows:Trunk lid lock1Locking
2Unlocking
Insert the mechanical key into the
trunk lid lock.

Perform the following two steps simul-
taneously:
Turn the key counterclockwise to
position2.

Pull the trunk lid handle and lift lid.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger door and the trunk
lid.

Press the central locking switch in the
cockpit (
page 96).

Check to see whether the locking knob
on the passenger door is still visible. If
necessary push it down manually.

Lock the driver’s door with the me-
chanical key.

Lock the trunk lid if necessary with the
mechanical key (
page 94).
!When opening the trunk completely, al-
ways make sure that there is sufficient
overhead clearance.iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button
Œ
or
‹
on the
SmartKey.


Insert the key in the starter switch.


Press the KEYLESS-GO* start/stop
button (
page 33).

312 Practical hintsUnlocking/locking in an emergencyChanging batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.SmartKey /
SmartKey with KEYLESS-GO*
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.

Remove mechanical key1
(page 310).

Insert the mechanical key in side open-
ing and push gray slide.
The battery compartment is unlatched.

Pull the battery compartment out of the
key housing in direction of arrow.

Remove the batteries.
3Battery
4Contact spring
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

313 Practical hints
Unlocking/locking in an emergency

Using a lint-free cloth, insert new bat-
teries under the contact spring with the
plus (+) side facing up.

Return battery compartment into hous-
ing until it locks into place.
Fuel filler flap
1Release lever
Remove the right side trim panel in the
trunk.

Reach inside in direction of arrow 2.

Turn release knob 1 clockwise as far as
it will go.
The fuel filler flap can be opened.Manually unlocking the transmission
selector lever
In case of power failure, the transmission
selector lever can be manually unlocked,
e.g. to tow the vehicle.
Open the storage compartment in front
of the center armrest.

Take out cover 1.

Insert a pin into the opening of
division2 and pry the division out.

Insert a tool3 (e.g. screwdriver) into
the opening.

Perform the following two steps simul-
taneously:
Push pin3 forward in the direction
of the arrow.

Move selector lever from
positionP.

Reinstall the division and cover after re-
moving the tool from the opening.iThe selector lever is locked again when
moving it to positionP.

314 Practical hintsOpening/closing in an emergency
Opening/closing in an emergencySliding/pop-up roof
The sliding/pop-up roof drive is located
behind the lens of the interior overhead
light.
You can open or close the sliding/pop-up
roof manually should an electrical malfunc-
tion occur.

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.iDo not disconnect electrical connec-
tors.

315 Practical hints
Opening/closing in an emergency

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 sliding/pop-up must be resynchro-
nized after being operated manually
(
page 315).Synchronizing the sliding/pop-up roof

Take the fuse for the sliding/pop-up
roof out of the main fuse box
(page 337).

Reinsert the fuse.

Switch on the ignition.

Press the switch in the “raise” direction
until the sliding/pop-up roof is fully
raised at the rear.
Hold the switch for approximately one
second.
The sliding/pop-up roof is adjusted.

316 Practical hintsReplacing bulbs
Replacing bulbsSafe 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
iIf the headlamps are fogged up on the
inside as a result of high humidity, driv-
ing the vehicle a distance should clear
up the fogging.
iBackup bulbs will be brought into use
when the following lamps malfunction:

Turn signal lamps


Brake lamps


Parking lamps


Tail lamps

317 Practical hints
Replacing bulbs
Front lamps Rear lamps Notes on bulb replacement
Lamp
Type
1
Low beam
1
1Vehicles with Bi-Xenon headlamps* do not replace
the Bi-Xenon bulbs yourself.
H7 (55 W)
Bi-Xenon*
D2S-35 W
2
High beam
H7 (55 W)
Parking and stand-
ing lamps
W 5 W
3
Additional turn sig-
nal lamps
LED
4
Turn signal lamp
1156 NA
5
Side marker lamp
W 5 W
6
Fog lamp
HB4/9006
(55 W)
Lamp
Type
7
Rear fog lamp, driv-
er’s side
P 21/4 W
Turn signal lamp
P 21 W
Brake lamp
P 21 W
Backup lamp
P 21 W
Tail, parking and
standing lamp, side
marker
P 21/4 W
W 5 W
8
High mounted brake
lamp
LED
9
License plate lamps
C 5 W
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.
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.

318 Practical hintsReplacing bulbs

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 light
up, 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 signal lamps in the
exterior rear view mirrors


High mounted brake lamp


Bi-Xenon* lamps


Front fog lamps
Replacing bulbs for front lamps
Front lamps halogen-type
1Housing cover for low beam lamp
2Housing cover for high beam lamp3Bulb socket for turn signal lamp
4Low beam bulb
5High beam bulb
6Parking and standing lamp

319 Practical hints
Replacing bulbs
Low beam and high beam bulb
Switch off the lights.

Open the hood (
page 253).

Turn housing cover1 or 2 counter-
clockwise and remove.

Turn bulb holder 4 or 5 with the bulb
counterclockwise and remove.

Press the bulb backwards and turn
counterclockwise out of the bulb hold-
er.

Press the new bulb into the holder and
twist it clockwise.

Place the bulb holder back into the
lamp and turn it clockwise.

Place the corresponding housing cov-
ers back on and turn them clockwise.Front turn signal lamp bulb

Switch off the lights.

Open the hood (
page 253).

Twist bulb socket3 counterclockwise
and pull out.

Push bulb into socket, turn counter-
clockwise and remove.

Insert new bulb in socket, push in and
twist clockwise.

Reinsert bulb socket in lamp and twist
clockwise.Parking and standing lamp bulb

Switch off the lights.

Open the hood (
page 253).

Turn housing cover2 counterclockwise
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.

Align housing cover and click into
place.

320 Practical hintsReplacing bulbsFront lamps Bi-Xenon*-type
1Bulb socket for turn signal lamp
2Housing cover for high beam lamp
3Housing cover for Bi-Xenon* lamp4High beam bulb
5Parking and standing lampHigh beam bulb

Switch off the lights.

Open the hood (
page 253).

Turn housing cover2 counterclockwise
and remove.

Turn bulb holder 4 with the bulb coun-
terclockwise and remove.

Press the bulb backwards and turn
counterclockwise out of the bulb hold-
er.

Press the new bulb into the holder and
twist it clockwise.

Place the bulb holder back into the
lamp and turn it clockwise.

Place the housing cover 2 back on and
turn them clockwise.
Warning!
G
Do not remove the cover 3 for the Bi-Xenon*
headlamp. Because of high voltage in xenon
lamps, it is dangerous to replace the bulb or
repair the lamp and its components. We rec-
o mme nd t h at y ou ha ve s uc h w o rk do n e by a
qualified technician.