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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (W203, 2000 issue)

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Mercedes-Benz W203
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Mercedes-Benz
W203
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Onboard electric
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Fault diagnosis onboard electric equipment - the general information
Check the wiper motor
Check heated rear window
Relays and fuses
Replacing incandescent exterior lights
Replacing bulbs Interior lighting
Removing and installing daylight sensor
Removing and installing lights
Removing and installing fog
Removing and installing the lens fog
Removing and installing the rear light
Replacing the battery ignition key / remote control
Removing and installing windscreen wiper motor
Removing and installing rear window wiper motor
Removal and installation of the water tank and pump motor
Removal and installation of a rain sensor
Removal and installation of the audio signal
Removing and installing parking sensors
Removing and installing ambient temperature sensor
Removing and installing dashboard
Removal and installation of stalk
Removal and installation of the switch of the front canopy on the ceiling
Removal and installation of the group switches to the left of the control panel
Removing and installing center console switch
Removal and installation of switches in the door
Removal and installation of door switches the interior lighting
Removal and installation of warning signs parking assistant
Removing and installing cigarette lighter
Removal and installation of the radio
Removal and installation of loudspeakers
The digital CAN data bus
The uniform lock - general information
Installation of additional electric and electronic devices
Function and location of electrical connectors
Diagrams
 


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Relays and fuses



The majority of consumers of electricity vehicle is protected by fuses. The individual components of the lighting system, except for the brake light, protected by electronic relays.

When the flow is too high current interruption produces electronic circuit components protected. After a short time, the electrical circuit is automatically closed again when the problem reoccurs, the electrical circuit is interrupted again.

Use fuses with the required nominal value of the current strength.

Blown fuses do not repair or bridge a bridge.

Determine the cause burnout.

Relays are placed two fuse boxes in the trunk, as well as in the engine compartment.

PERFORMANCE ORDER

1. Remove the fuse box cover and remove the faulty relay with special forceps, for example, HAZET 4770-1.
2. Check that the relay and, if necessary, replace it with a new, refer to the appropriate section.
3. Set the relay to the board and close the fuse box cover.
Fuses are located in three blocks, which are located on the side instrument panel, trunk and engine compartment.


Fuse 1

Fuse box 1 is located by the driver's side at the instrument panel.

PERFORMANCE ORDER

1. Depending on the cover (1) is removed from the instrument panel with a screwdriver or a ledge.

2. Tilt the cover to the left and disconnect it from the top of the holder.

Cover sits in the upper bracket is very durable, so it may be necessary to retrieve the plastic wedge, for example, HAZET 1965-20.

3. Tilt the lid on the left, remove the guide rails at the top and bottom of the hole and remove the cover from the instrument panel.
4. When installing, insert the guide bars into the holes, close the lid and lock it in the holders.


Fuse 2

Fuse box 2 is located in the boot behind the side trim.

PERFORMANCE ORDER

Sedan 1: Remove the cover (1) of the lining. Remove the cover (2) of the fuse box.

2. Versatile: Remove the cover (1) in the wall and drop it. (2) - the fuse box.


Fuse 3

Fuse 3 is located on the left side in the engine compartment under the hood.

PERFORMANCE ORDER

1. Open the hood.
2. Remove the cover on the fuse box. To do this, turn on the ¼ turn screws and remove the plastic cover from the guide rail.

3. Release the clips (1), pull the cover (2) of the fuse box and remove forward.

4. When installing push the cover in the rear tire, and set on the fuse box. Making sure the correct position of the lid.
5. Lock the cover clips.
6. Put the cover on the fuse box. When the cover must be included in the side guide rail.
7. Attach the cover screws by turning ¼ turn plastic screws.





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