2003 MERCEDES-BENZ E320 light

317 Practical hints
What to do if …
Display
Possible cause
Suggested solution
.
Back-up lamp, right
The right backup lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
Tail light, left
The left tail lamp is malfunctioning. A
backup bulb is being used.

Visit an authorized Mercedes-Benz Center
as soon as possible.
Tail light, right
The right tail lamp is malfunctioning.
A backup bulb is being used.

Visit an authorized Mercedes-Benz Center
as soon as possible.
Park. light,
front left

Back-up light on!

The left parking lamps are malfunc-
tioning. A backup bulb is being used.

Visit an authorized Mercedes-Benz Center
as soon as possible.
Park. light,
front right

Back-up light on!

The right parking lamps are malfunc-
tioning. A backup bulb is being used.

Visit an authorized Mercedes-Benz Center
as soon as possible.
<
Seat belt system
Visit workshop!
The seat belt system is malfunction-
ing.

Visit an authorized Mercedes-Benz Center
as soon as possible.

323 Practical hints
What to do if …
Display
Possible cause
Possible solution
I
Remove key!
You have forgotten to remove the key.

Remove the key from the starter switch.
Replace key
The batteries in the key are dead.

Change the batteries (
page 328).
Automat. light on
Remove key!

Remove the key from the starter switch.
A

Reserve fuel
The fuel level has dropped below the re-
serve mark.

Refuel at the next filling station
(page 259).
J

Door open
You are attempting to drive with one or
more doors open.

Close the doors.
?
Visit workshop!
There may be a malfunction in the:

fuel injection system


ignition system


exhaust system


fuel system

Have the measuring system checked by
an authorized Mercedes-Benz Center.
±
Display defective
Visit workshop!
Certain electronic systems are unable to
relay information to the control system.
The following systems may have failed:

Coolant temperature display


Tachometer


Cruise control display

Have the electronic systems checked by
an authorized Mercedes-Benz Center.

331 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Sliding/pop-up roof* or panorama sliding/pop-up roof*
You can open or close the sliding/pop-up
roof manually should an electrical malfunc-
tion occur.
The sliding/pop-up roof drive is located
behind lens1 of the interior overhead
light.
1Screen
Fold screen1 down.

Obtain crank2.

Insert crank2 through hole1.

Turn crank2 clockwise to:

Slide roof closed


Raise roof at the rear

Turn crank2 counterclockwise to:

slide roof open


lower roof at the rearThe sliding/pop-up roof must be resyn-
chronized after being operated manually
(
page 189).
iDo not disconnect the electrical con-
nectors.

332 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 Front lamps
iBackup bulbs will be brought into use
when the following lamps malfunction:

Standing lamps


Tail lamps
Lamp
Type
1
Additional turn sig-
nal lamps
LED
2
Turn signal lamp
1156 NA
3
Side marker lamp
W 5 W
4
Low beam
H7 (55 W)
Bi-Xenon*
1
D2S-35 W
1Vehicles with Bi-Xenon headlamps*: Low beam
and high beam use the same D2S-35W lamp. For
safety reasons (high voltage), do not replace the
Bi-Xenon bulb yourself. See your authorized Mer-
cedes-Benz Center.5
High beam
H7 (55 W)
Parking and stand-
ing lamps
W 5 W
6
Fog lamp
HB4/9006
(55 W)

333 Practical hints
Replacing bulbs
Rear 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.


Y o u r h a n d s s h o u l d b e d r y a n d f r e e o f o i l
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
Lamp
Type
7
High mounted brake
lamp
LED
8
Tail, parking and
standing lamp
HiP
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 Bi-Xenon lamps,
it is dangerous to replace the bulb or repair
the lamp and its components. We recom-
mend that you have such work done by a
qualified technician.

334 Practical hintsReplacing bulbsReplacing bulbs for front lamps
1Bulb socket for turn signal lamp
2High beam bulb
3Bulb socket for parking and standing
lamp
High beam bulb (Halogen headlamps
only)
Switch off the lights.

Open the hood (
page 261).

Press the clamp and remove headlamp
cover.

Pull electrical connector off.

Turn the locking mechanism counter-
clockwise and take out the high beam
bulb2.

Insert the new high beam bulb so that
the base is in the recess of the holder.

Turn the locking mechanism clockwise.

Plug the connector onto the high beam
bulb.

Align headlamp cover and click into
place.
High beam bulb (Bi-Xenon* headlamps
only)

Switch off the lights.

Open the hood (
page 261).

Press the clamp and remove headlamp
cover.

Pull electrical connector off.

Turn the locking mechanism counter-
clockwise and take out the high beam
bulb2.

Insert the new high beam bulb so that
the base is in the recess of the holder.

Turn the locking mechanism clockwise.

Plug the connector onto the high beam
bulb.

Align headlamp cover and click into
place.
Warning!
G
Because of high voltage in Bi-Xenon lamps,
it is dangerous to replace the bulb or repair
the lamp and its components. We recom-
mend that you have such work done by a
qualified technician.

335 Practical hints
Replacing bulbs
Front turn signal lamp bulb
Switch off the lights.

Open the hood (
page 261).

Twist bulb socket1 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 261).

Press the clamp and remove headlamp
cover.

Pull out the bulb socket3 with the
bulb.

Pull the bulb out of the bulb socket.

Insert a new bulb in the socket.

Reinstall the bulb socket.

Align headlamp cover and click into
place.Side marker lamp bulb

Switch off the lights.

Carefully slide lamp towards front.

Remove rear 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.

336 Practical hintsReplacing bulbsReplacing bulbs for rear lamps
Tail lamp assemblies
The tail lamps are equipped with HiP bulbs.License plate lamp
1Screw

Switch off the lights.

Loosen both screws1 and remove
lamp.

Replace the tubular lamp and reinstall
lamp.

Retighten the screws.
!To prevent scratches, we recommend
that you have the sidemarker bulb re-
placed by an authorized Mer-
cedes-Benz Center.Warning!
G
The bulbs in the tail lamps cannot be re-
placed individually. The tail lamp bulbs are
under pressure and could explode during an
attempt to replace them.
If the tail lamps are malfunctioning, have
them exchanged at an authorized Mer-
cedes-Benz Center.