2003 MERCEDES-BENZ CLK320 CABRIOLET Owner's Manual

278 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Headlamp assembly (Halogen)
1Headlamp vertical adjustment screw
2Cover for low beam headlamp
3Cover for high beam headlamp, parking and
standing lampHeadlamp assembly (Xenon) (optional)
4Bulb socket for turn signal lamp
5Electrical connector for low beam headlamp bulb
6Electrical connector for high beam headlamp bulb
7Bulb socket for parking and standing lamp
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279 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Bulbs for low or high beam
H7 (55 W)
Open hood.
Rotate cover (2 or 3) counterclockwise and remove. Pull
off electrical connector (5 or 6). Unhook clamping ring
and remove bulb.
Insert new bulb (seating properly in cutouts of bulb
socket), mount clamping ring. Reinstall and push
electrical connector on securely.
Reinstall cover (2 or 3).
Xenon (optional)
Bulb for low beamTurn signal lamp
1156 NA (26.9/5 W/32/4 cp bulb)
Open hood.
Twist bulb socket (4) counterclockwise and pull out.
Push bulb into socket, turn counterclockwise and
remove.
Insert new bulb in socket, push in and twist clockwise.
Reinstall bulb socket. Reinstall lamp assembly until
properly seated.
Parking and standing lamp
H6W (6Wbulb)
Open hood.
Rotate cover (3) counterclockwise and remove.
Twist bulb socket (7) counterclockwise and pull out.
Push bulb into socket, turn counterclockwise and
remove.
Insert new bulb in socket, push in and twist clockwise.
Reinstall bulb socket. Reinstall lamp assembly until
properly seated.
Reinstall cover (3).
Wa r n i n g !
Do not remove the cover for the Xenon headlamp.
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.

280 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Taillamp assemblies
Open trunk lid.
Swing cover aside (bulbs 1, 2 and 3).
1Turn signal lamp (21W/24cpbulb)
2Stop, tail, parking, and side marker lamp
(21/4 W bulb)
3Tail and parking lamp (5 W/4 cp bulb)4Driver’s side:
Rear fog lamp (21W/32cpbulb)
5Backup lamp (21 W/32 cp bulb)
Twist bulb socket counterclockwise and pull out. Push
bulb into socket, turn counterclockwise and remove.
Insert new bulb in socket, push in and twist clockwise.
Reinstall bulb socket. Close cover (bulbs 1, 2 and 3).
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281 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Side marker lamp, front (5 W/4 cp bulb) Carefully slide lamp towards front (arrow), and remove
back and first.
Twist bulb socket counterclockwise and pull out. Push
bulb socket, turn counterclockwise and remove.
Insert new bulb in socket, push in and twist clockwise.
Reinstall bulb socket, push in and twist clockwise.
To reinstall lamp, set front end of lamp in bumper and
let back end snap into place.

282 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
High mounted stop lamp,
Additional turn signals on the exterior mirror
The high mounted stop lamp (3rd brake lamp), and the
additional turn signals on the exterior mirrors are
equipped with LEDs.
Have the system checked at an authorized
Mercedes-Benz Center if a fault or defect occurs.Adjusting headlamp aim
Correct headlamp adjustment is extremely important.
To check and readjust a headlamp, follow steps 1
through 5.
Please note:
•Low beam adjustments simultaneously aim the high
beam.
•Vehicle should have a normal trunk load.
1. Park vehicle on level surface approximately 25 ft.
(7.6 m) from a vertical test screen or wall. The
centerline of the vehicle must be at a 90
° angle to
the test screen.

283 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index 2. (Low beams on):
Using a carpenter’s level, align and mark a vertical
centerline (8) on the test screen using the vertex of
the angle formed in each beam image. As a check,
the distance between centerlines should be
49
1/4 inches (1250 mm). If the distance does not
check, have the system verified at an authorized
Mercedes-Benz Center.3. (Low beams off):
Measure the vertical height from the floor to
reference point (10) on high beam lens. Subtract
approx. 2 inches (53 mm) from measurement, and
mark a horizontal centerline (9) on the test screen at
the resulting height from the floor. It must be at a
90
°angle to the vertical centerline.
4. Open hood.
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284 Exterior lamps
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
5. Vertical headlamp aim (low beams on):
Turn adjusting screw (1) (counterclockwise to adjust
headlamp downward, clockwise upward) until the
headlamps illuminate the test screen as shown. The
vertex of the angle formed in each beam image
should align with the vertical and horizontal
centerlines (8 and 9).
The left and right headlamps must be adjusted
individually.
Note:
If it is not possible to obtain a proper headlamp
adjustment, have the system checked at your authorized
Mercedes-Benz Center.

285 Electronic key
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Changing batteries in the electronic key
1Transmit buttons
2Lamp for battery check and function control
Checking batteries
If one of the transmit buttons (1) is pressed, the battery
check lamp (2) lights up briefly – indicating that the
batteries are in order.
Change batteries if the battery check lamp (2) does not
light up briefly.Changing batteries
Move locking tab (3) in direction of right arrow and
remove mechanical key (4, left arrow).
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