Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car



Mercedes-Benz
+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Specifications
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Check of the electric motor of a screen wiper
   Check of the warmed back glass
   Relay and safety locks
   Replacement of glow lamps of devices of external lighting
   Replacement of glow lamps of devices of internal lighting
   Removal and installation of the sensor of daylight
   Removal and installation of a headlight
   Removal and installation of a fog light
   Removal and installation of the lens of a fog light
   Removal and installation of a back lamp
   Replacement of the battery of a key of the ignition/remote control
   Removal and installation of the electric motor of screenwash
   Removal and installation of the electric motor of a cleaner of back glass
   Removal and installation of the tank of water and electric motor of the pump
   Removal and installation of the sensor of a rain
   Removal and installation of a sound signal
   Removal and installation of sensors of the parking
   Removal and installation of the sensor of temperature of external air
   Removal and installation of the control panel
   Removal and installation of the understeering switch
   Removal and installation of the switch of a forward plafond on a ceiling
   Removal and installation of group of switches to the left of the control panel
   Removal and installation of the switch of the central console
   Removal and installation of switches in the doorway
   Removal and installation of door switches of internal lighting
   Removal and installation of precautionary indexes of the assistant to the parking
   Removal and installation of the lighter
   Removal and installation of the radio receiver
   Removal and installation of a loudspeaker
   Digital tire of data of CAN
   The uniform lock - general information
   Installation of additional electric and electronic devices
   Appointment and arrangement of electric sockets
   + Schemes of electric equipment







Replacement of glow lamps of devices of external lighting

Treat devices of system of lighting: headlights, fog lights, back lamps, stoplights, backing lamps, indexes of turns, foggy lamps, lamps of illumination of registration plate and devices of internal lighting.

Exit of the glow lamp is out of operation displayed on the universal display. (The warning system and the alarm system of malfunctions is considered in the Section Precautionary alarm and control lamps, and also messages of the information display on the registered malfunctions).

There is a danger of traumatizing!

Be careful when replacing xenon lamps of high voltage in headlights! Just in case switch off a headlight and disconnect the rechargeable battery. After replacement quickly switch on and off a headlight to remove residual stress. For reasons of safety you wear shoes with rubber soles.

Glow lamps and holders of lamps can be very hot. Therefore before replacement of glow lamps wait for cooling of the lighting fixture.

You store lamps in the place, inaccessible for children.

Do not apply the fallen lamps or lamps with scratches, they can burst.

The glass flask of the glow lamp should not be taken hands. It is the for this purpose best of all to use napkins or cotton gloves. Fingerprints evaporate and besieged on a reflector, obscuring it. Incidentally formed spots on a flask need to be removed by means of the pure, not containing fibers, the towel moistened in alcohol.

Glow lamps need to be replaced only with lamps of the same execution.


Replacement of a lamp of H7: The lamp is under pressure. Therefore it is necessary to put on goggles and gloves.

If after replacement the glow lamp does not burn, switch off and again include lighting. If the replaced glow lamp does not burn also after that, address on HUNDRED "Mercedes-Benzs".

Plastic lenses of headlights have a sheeting. It is impossible to clear at all and the more so to rub their dry rag. It is impossible for this purpose also to apply any cleaners or solvents. Such lenses it is necessary to clear a pure soft towel.


Before replacement of a lamp check that the corresponding switch was switched off.

Passing beam

 PERFORMANCE ORDER

For receiving free access to a back part of a headlight lift and establish a back part of the car on supports. Turn off bolts of fastening of a wheel and remove a forward part of a loker of a wing, address the Section Removal and installation of a forward loker covered.

1. Open a cowl.
2. Squeeze levels and uncover the back party of a headlight.

The lamp of passing beam is in the external camera of a headlight.


3. Disunite the socket of a lamp (1).

4. Halogen headlight: Unclench lock clips (2) and take out a lamp.
5. Models with xenon headlights: Press the lock lock, turn a bayonetny ring and take out a xenon lamp from the lamp.
6. Halogen headlight: Insert the new glow lamp so that pads entered the corresponding grooves on the case. Clamp lock brackets.
7. Models with xenon headlights: Insert a new lamp so that the groove on a lamp showed up. Establish and turn a bayonetny ring, at the same time you watch the correct position of the lock lock.
8. Join the socket on a lamp.
9. Establish a cover and record it.


Driving beam

 PERFORMANCE ORDER

For receiving free access to a back part of a headlight lift and establish a back part of the car on supports. Turn off bolts of fastening of a wheel and remove a forward part of a loker of a wing, address the Section Removal and installation of a forward loker covered.

1. Open a cowl.
2. Squeeze levels and uncover the back party of a headlight.

The lamp of passing beam is in the external camera of a headlight.


3. Disunite the socket (1) of a lamp (2).

4. Disconnect a lock bracket (3) and take out a lamp. (4) – parking light.
5. Insert a new lamp so that pads entered the corresponding grooves on the case. Record a lock bracket.
6. Join the lamp socket.
7. Put into place a cover and record it.


Parking light

 PERFORMANCE ORDER

For receiving free access to a back part of a headlight lift and establish a back part of the car on supports. Turn off bolts of fastening of a wheel and remove a forward part of a loker of a wing, address the Section Removal and installation of a forward loker covered.

1. Open a cowl.
2. Press a level and uncover a lamp of driving and parking light.

3. Take out from the device a cartridge (1) with a lamp (2).

4. Take out a lamp from the boss.
5. Insert a new lamp into a cartridge.
6. Insert a cartridge into the device.
7. Put into place a cover and record it.


Forward index of turn

 PERFORMANCE ORDER

1. Open a cowl.

2. Turn a cartridge (1) with a lamp counterclockwise and take out from the device.

3. Press a lamp, turn counterclockwise and take out from the boss.
4. Insert a new lamp and turn it clockwise.
5. Insert a cartridge with a lamp into the index of turn and record it, having turned clockwise.


The index of turn in exterior mirrors

 PERFORMANCE ORDER

1. Remove facing of a mirror, address the Section Removal and installation of facing of an external rear-view mirror.

2. Turn out screws (1).

3. Squeeze out outside the index of turn (2) from facing of a mirror. (3) - socket.

4. Open clips (1) and remove a level (2).

5. Take out a lamp (3) and insert a new lamp.
6. Put a lamp level on the index of turn (4) and record.
7. Insert the index of turn into facing of an external mirror and fix. At the same time you watch that the index reached the correct position in facing.
8. Establish facing of an external mirror, address the Section Removal and installation of facing of an external rear-view mirror.


Fog light

 PERFORMANCE ORDER

1. Remove a forward loker, address the Section Removal and installation of a forward loker covered.

2. Disunite the socket (1) of a fog light.

3. Turn a cartridge (2) counterclockwise and take out it.
4. Take out a lamp from the boss.
5. Insert a new lamp into a cartridge, insert a cartridge into a headlight, having turned it clockwise, and join the socket.
6. Establish a forward loker, address the Section Removal and installation of a forward loker covered.


Lamp of illumination of registration plate

 PERFORMANCE ORDER

1. Turn out 2 screws (1).

2. Take out the lens by means of a plastic wedge from a trunk lid or a door of a back.
3. Take out the damaged lamp spotlights from the plastic holder (2) and replace with new.
4. Check laying of the lens and if it is necessary, replace.
5. Insert the lens and fix him by screws.


Back lamp

In a back lamp the following lamps are located: stoplight, marker light, index of turn and lamp of a backing. In a back lamp on the party of the driver the foggy lamp is located.

Sedan

Back lamp. Sedan model

1 — the Stoplight
2 — the Index of turn (yellow light)
3 — a backing Lamp
4 — Parking light
5 — the Foggy lamp (the party of the driver)
6 — the Cover

 PERFORMANCE ORDER

1. Open a luggage carrier.
2. Open a cover (6) in facing of a luggage carrier.
3. Disunite the lamp socket.
4. Turn the lock lever and remove a level of lamps.
5. Press a lamp, turn counterclockwise and take out.
6. Insert a new lamp and turn it clockwise.
7. Put a level of lamps and turn the lock lever back.
8. Join the lamp socket.
9. Establish a cover in facing of a luggage carrier.


Sporty coupe

Back lamp. Compartment

1 — the Level of lamps 2 — Sealing laying

Versatile person

Back lamp. Versatile person

1 — the Basic pad
2 — the Stoplight
3 — the Index of turn (yellow)
4 — a backing Lamp
5 — the Foggy lamp (the party of the driver) / parking light

 PERFORMANCE ORDER

1. Open a back door. Press a key (1), lower and take out a cover (2).

2. Disunite the socket of a back lamp.
3. Squeeze two lock levels (arrows on an illustration) and take out a level of lamps, at the same time carefully press down a basic pad (1).
4. Press a lamp, turn counterclockwise and take out.
5. Insert a new lamp and turn it clockwise.
6. Put a level of lamps and record it.
7. Join the socket of a back lamp.
8. Insert a cover and record it.


Additional stoplight

The high-located additional stoplight works with special light diodes. At failure the stoplight is replaced in a set.

Sedan

 PERFORMANCE ORDER

1. Open a luggage carrier and remove facing of a trunk lid, address the Section Removal and installation of facing of a trunk lid.

2. Turn out 4 screws (arrows on an illustration) on lock brackets (1) of an additional stoplight and squeeze out a signal from a trunk lid.

3. Disunite the socket (2) of an additional stoplight.

4. Fix lock brackets (1) on a new additional stoplight (shooters on an illustration. At the same time you watch that lock brackets contracted a little. Bring brackets at installation on a stoplight under an emphasis.
5. Join the socket.
6. Insert a stoplight into a trunk lid so that to exclude damage of a paint and varnish covering. At the same time pay attention to the correct provision of sealing laying.

In need of quality of lubricant apply technical vaseline.

7. Establish into place facing of a trunk lid, address the Section Removal and installation of facing of a trunk lid.


Versatile person

 PERFORMANCE ORDER

1. Open a door of a back and remove from it facing, address the Section Removal and installation of facing of a door of a back.
2. Remove a back spoiler, address the Section Removal and installation of a back spoiler.
3. Disunite the socket of an additional stoplight.
4. Turn out 4 screws of fastening and remove a stoplight from a back spoiler. At the same time carefully shoot the sealing film from an additional stoplight.
5. Installation is carried out in the sequence, the return to removal.


Sporty coupe

 PERFORMANCE ORDER

1. Open a back door.

2. By means of a plastic wedge take out a cover (1) from facing of a spoiler.

3. Disunite the socket of an additional stoplight.
4. Turn out screws of fastening and remove an additional stoplight from a back spoiler.
5. Installation is carried out in the sequence, the return to removal. At the same time you monitor the correct provision of sealing laying.