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Fuse assignment in engine compartment
Read and observe
and
No.
1
Radiator fan
2
Glow plug system
3
ABS or ESC
4
Electrical auxiliary heating system
5
Electrical auxiliary heating system
6
Automatic gearbox
7
Engine control system
8
Windscreen wipers
9
Battery data module
10
ABS or ESC
11
Not assigned
Injectors, valve for fuel metering, control valve for oil pressure, valve
12
for exhaust gas recirculation cooler, negative pressure pump
13
Brake pedal switch
14
Fuel pump, coolant pump
15
Engine control system
16
Starter
17
Engine control system
Additional electrical heating, radiator fan, wastegate, oil temperature
18
sensor, valve for activated charcoal filter, valve for intake manifold
Fig. 299
Fuses
on page 244 first.
Power consumer
No.
19
Lambda probe
20
Preheating unit, crankcase ventilation heating, ignition coils
Bulbs
Introduction
This Owner's Manual only describes the replacement of bulbs where it is possi-
ble to replace the bulbs on your own without any complications arising. Other
bulbs or LED lights must be replaced by a specialist garage.
We recommend having bulbs replaced by a specialist garage or seeking other
expert help in the event of any uncertainties.
▶
Switch off the ignition and all of the lights before replacing a bulb.
▶
Faulty bulbs must only be replaced with the same type of bulbs. The designa-
tion is located on the light socket or the glass bulb.
We recommend having the headlight settings checked by a specialist garage
after replacing a bulb in the low, high or fog beam.
WARNING
Always read and observe the warnings before completing any work in the
■
engine compartment
» page
218.
Accidents can be caused if the road in front of the vehicle is not suffi-
■
ciently illuminated and the vehicle cannot or can only be seen with difficulty
by other road users.
Bulbs H8, H7 and H4 are pressurised and may burst when changed - there
■
is a risk of injury! We therefore recommended wearing gloves and safety
glasses when changing a bulb.
CAUTION
Do not take hold of the glass bulb with naked fingers (even the smallest
■
amount of dirt reduces the working life of the light bulb). Use a clean cloth,
napkin, or similar.
The cap of the filament bulb must always be seated correctly in the head-
■
light, otherwise this may allow water and debris to enter the headlight - risk of
damage to the headlights.
Power consumer
Fuses and light bulbs
247
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