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If and when255
Safety First
Controls and equipment
Practical tips
Technical Data
FusesChanging fuses
If a fuse has blown, it must be replaced.
– Switch off the ignition and its failed electrical component.
– Remove the fuse cover using a screwdriver ⇒fig. 190 .
– Identify the fuse for the failed component ⇒page 256, “Fuse
assignment”.
– Take the plastic clip from inside the fuse cover, fit it onto the blown fuse, and pull the fuse out.
– Replace the blown fuse (which will have a melted metal strip) with a new fuse of the same amp rating.
–Fit the fuse cover back on.The individual electrical circuits are protected by fuses. The fuses are located
behind a cover at the left-hand end of the instrument panel.
Two spare fuses and a sticker identifying the fuses are provided on the inside
of the fuse cover. There is also a crank handle for operating the sun roof* by
hand (if the electrical system fails).
Caution
Never “repair” damaged fuses and never replace them with fuses with a
higher rating. Failure to comply could result in fire. It could also cause
damage to other parts of the electrical system.
Note
If a newly replaced fuse blows again after a short time, the electrical system
must be checked by a qualified workshop as soon as possible.
Fig. 190 Left side of dash
panel: Fuse box coverFig. 191 Schematic
drawing of fuse box at the
left-hand end of instru-
ment panel: Fuses
(without fuse cover)
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If and when
256Fuse assignment
This list shows the fuses which can be replaced relatively
easily by the owner.No.
Consumer
Amps
1
Climate control
10
2
Footwell lamps
5
3
Heated washer jets
5
4
Radiator fan
5
5
Parking aid, automatic gearbox
10
6
Air conditioner (air purity sensor), pressure sensor
5
7
Electronic Stabilisation Program (ESP), brake light
switch, clutch pedal switch, steering angle sensor
10
8
Tele ph one
5
9
Va can t
10
Self-directing headlights (adaptive light) right
5
11
Airbag and disconnection of the front passenger air-
bag
5
12
Diagnostic socket
10
13
Steering column unit
10
14
Brake lights
10
15
Instrument panel
10
16
Va can t
17
Tyre pressure control, rain/light sensor
10
18
Self-directing headlights (adaptive light) left
5
19
Va can t
20
Va can t
21
Va can t
22
Driver's door / front passenger's door
15
23
Rear doors
15
24
Central electrics unit for convenience equipment
20
25
Heater blower
30
26
Rear window heater
30
27
Electrical socket for trailer (control unit)
30
28
Fuel pump, auxiliary pump for diesel
20
29
Va can t
30
Sliding/tilting sunroof
20
31
Diagnosis connection, automatic anti-dazzle interior
mirror, reverse light, automatic gearbox
15
32
Towing socket
15
33
Lighter
20
34
Diesel lambda-probe
5
35
Luggage compartment power point*
20
36
Wiper system
30
37
Pump for windscreen washer and headlight washer
system
30
38
Luggage compartment illumination, alarm
15
39
Radio, Amplifier
20
40
Horn
25
No.
Consumer
Amps
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If and when257
Safety First
Controls and equipment
Practical tips
Technical Data
Some of the electrical items listed in the table are only fitted on certain
models or are optional extras.
The electric windows and electric seat adjusters are protected by circuit
breakers
. These reset automatically after a few seconds when the overload
(caused for example by frozen windows) has been corrected.
Note
Please note that the above list contains all data at the time of going to press,
so it is subject to modifications. If discrepancies should occur, please refer to
the sticker on the inside of the fuse cover for the correct information for your
model.BulbsGeneral notesYou can change the following bulbs for exterior lights yourself:•Main headlights: all (except for xenon headlights)•Rear lights: All bulbs•Side indicator bulb
The following bulbs can only be changed by a qualified workshop:
•Main headlights: Xenon* bulb ⇒page 264•Front fog lights: Bulb
As a rule, you require a certain degree of practical skill to change defective
bulbs. This applies in particular to those bulbs which are only accessible from
the engine compartment.
If in doubt, we recommend that you have defective bulbs changed by a qual-
ified workshop or qualified mechanic.
If you do decide to change bulbs in the engine compartment yourself, be
aware of the safety risks involved ⇒page 221 ⇒ in “Types of bulbs”.Changing bulbs Halogen headlightsTypes of bulbsYou must only replace a bulb with a bulb of the same type. The name can be
found on the base of the bulb.
WARNING
•Take particular care when working on components in the engine
compartment if the engine is warm - risk of burns!
41
Va can t
30
42
Electronic stabilisation programme (ESP)
25
43
Engine management
15
44
Seat heating
35
No.
Consumer
Amps
Bulb
Type
Dipped-beam headlights (halogen)
12 V/55 W (H7 LL)
Main beam headlights
12 V/55 W (H1)
Indicator light
12 V/21 W (PY21W)
Side lights
12 V/5 W (W5W LL)
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If and when
258•Bulbs are highly sensitive to pressure. The glass can break when you
touch the bulb, causing injury.•The high voltage element of gas discharge lamps* (xenon light) must
be handled correctly. Otherwise, there is a risk of death.•When changing bulbs, please take care not to injure yourself on sharp
parts in the headlight housing.Caution
•Remove the ignition key before working on the electric system. If not, a
short circuit could occur.•Switch off the lights or parking lights before you change a bulb.For the sake of the environment
Please ask your specialist retailer how to dispose of used bulbs in the proper
manner.
Note
•Depending on weather conditions (cold or wet), the front lights, the fog
lights, the rear lights and the indicators may be temporarily misted. This does
not affect the useful life of the lighting system. By switching on the lights, the
area through which the beam of light is projected will quickly be demisted.
However, the edges may continue to be misted.•Please check at regular intervals that all lighting (especially the exterior
lighting) on your vehicle is functioning properly. This is not only in the interest
of your own safety, but also in that of all other road users.•Before changing a bulb, make sure you have the correct new bulb.•Do not touch the glass part of the bulb with your bare hands, use a cloth
or paper towel instead. Otherwise, the fingerprints left on the glass will vaporise as a result of the heat generated by the bulb, be deposited on the
reflector and impair its surface.
Removing the air duct
The air duct has to be removed to gain access to the bulbs for
the right-side headlight.–Unscrew bolts ⇒
fig. 192.
– Detach air duct from guide and take it out.
WARNING (continued)
Fig. 192 Air duct on right
side of vehicle
AA
AB
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If and when259
Safety First
Controls and equipment
Practical tips
Technical Data
Fitting the air duct
Once the bulb(s) for the right-side headlight have been
changed, the air duct must be re-installed.– Place the air duct in the correct position.
– First turn the two screws in lightly, then tighten both screws.
– Push air duct into guide .
Halogen headlight bulbs
Main beam headlights
Side lights
Dipped headlights
Side lights
Turn signal light
Fig. 193 Air duct on right
side of vehicle
AAAB
Fig. 194 Halogen bulbs
AAABACADAE
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If and when
260Changing the turn signal bulb
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.– Switch off the ignition and the lights.
– Raise the bonnet.
– Turn the bulb holder anti-clockwise, pulling it by the grip
⇒fig. 195 and removing the bulb holder and the bulb.
– Replace the blown bulb in the bulb holder (press and turn anti- clockwise to remove) with a new bulb (press and turn clockwise
to insert).
– Installation is in the reverse order.
– Check whether the new bulb is working. Note
Although it is not necessary, previously remove the rigid cover
⇒page 262,
fig. 198 for easier turn signal bulb changes.
Fig. 195 Indicator bulb
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If and when261
Safety First
Controls and equipment
Practical tips
Technical Data
Changing the main headlight bulb
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.
– Switch off the ignition and the lights.
– Raise the bonnet.
– Pull up on the rubber cover ⇒fig. 196 to remove it.
– Remove the connector ⇒fig. 197 from the bulb.
– Press the spring ⇒fig. 197 inwards and to the right.
– Remove the bulb. pulling it from the connection terminal and fitting fit the replacement so that it sits correctly in the cut-out on
the reflector. To ensure correct lighting, the filament must be
vertical. When changing the bulb, you can check the position of
the bulb through the headlight glass.
– Installation is in reverse order, ensuring that the rubber cover is well fitted to the housing.
– Check whether the new bulb is working.
– Have the headlight settings checked as soon as possible.
Fig. 196 Main beam
headlightsFig. 197 Main beam
headlights
AA
A1
A2
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If and when
262Changing the dipped beam headlight bulb
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.
– Switch off the ignition and the lights.
– Raise the bonnet.
– Move the brace ⇒ fig. 198 in the direction of the arrow and
remove the rigid cover, separating the brace side and then
removing the two tabs from the other end of the cover.
– Pull the connector ⇒ fig. 199 from the bulb.
– Unclip the retainer spring ⇒fig. 199 pressing inwards to the
right.
– Remove the bulb and fit the new one in the headlight casing with the tab upwards, starting to position it from below.
– Clip on the spring, raising it and pressing it slightly while turning
it anti-clockwise. To ensure correct lighting, the filament must be
vertical. When changing the bulb, you can check the position of
the bulb through the headlight glass.
– Connect the connector to the bulb.
– Fit the cover, first inserting the side tabs and then closing the cover and the brace. Make sure that the gasket sits well on the
casing cover during the operation.
– Check whether the new bulb is working.
– Have the headlight settings checked as soon as possible.
Fig. 198 Dipped head-
lightsFig. 199 Dipped head-
lights
A1A2
A3
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