Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class Owners Manual: Changing bulbs (only for vehicles with halogen headlamps)

Mercedes-Benz C-Class Owners Manual / Light and visibility / Changing bulbs (only for vehicles with halogen headlamps)

Notes on changing bulbs

WARNING Risk of burns from hot component parts whilst replacing a bulb
Bulbs, lamps and plugs can become very hot during operation.

When replacing a bulb, you could burn yourself on these component parts.

  • Allow the component parts to cool down before replacing the bulb.
  • Do not use a bulb if it has been dropped or if its glass has been scratched. The bulb may otherwise explode.
  • Do not touch the glass bulb with your bare hands.
  • Protect bulbs from moisture and do not allow bulbs to come into contact with liquids.

Overview of the bulbs to be changed

Halogen headlamps

Changing bulbs (only for vehicles with halogen headlamps)

  1. Turn signal indicator: PWY 24 W bulb
  2. High beam: H7 55 W bulb
  3. Low beam: H7 55 W bulb

Tail lamps

Changing bulbs (only for vehicles with halogen headlamps)

  1. Turn signal indicator: PY 21 W bulb
  2. Reversing light: W 16 W bulb

Changing the front bulbs (vehicles with halogen headlamps)

Removing and installing the cover in the front wheel housing

Requirements:

  • The lighting system is switched off.
  • The appropriate front wheel is turned inwards.

Changing bulbs (only for vehicles with halogen headlamps)

  • To remove: using a suitable object, turn two mounts 1 of cover 2 in an counter-clockwise direction as far as they will go.
  • Remove the unlocked cover 2 from the wheel arch liner by pulling it upwards.
  • To install: insert cover2 at bottom of the wheel arch liner.
  • Using a suitable object, turn the two mounts 1 of the cover 2 in clockwise direction as far as they will go.

Replacing bulbs in the halogen headlamp

Requirements

The lighting system is switched off.

Low beam/high beam:

  • A H7 55 W light bulb is available.
  • The hood is open.

Turn signal lights:

  • A PWY 24 W light bulb is available.
  • The cover in the front wheel arch has been removed.

Changing bulbs (only for vehicles with halogen headlamps)

  1. Low-beam headlamps
  2. High beam
  3. Turn signals
  • Turn the relevant housing cover 1-3 counter- clockwise and remove it.
  • Low beam / high beam: turn the socket counter-clockwise and remove it.
  • Indicator: turn the socket counter-clockwise, release it and remove it.
  • Pull the bulb out of the socket.
  • Insert the new bulb into the socket such that the entire base of the bulb is resting on the bottom of the socket.
  • Insert the socket and turn it clockwise.
  • Press on the housing cover and turn it clockwise.
  • Turn signal lights: install the cover in the front wheel arch.

Changing the rear bulbs (vehicles with halogen headlamps)

Opening and closing the side trim panels in the trunk

Changing bulbs (only for vehicles with halogen headlamps)

  • To open: release right-hand or left-hand side trim panels 1 at the top and remove.
  • To close: re-insert side trim panel 1.

Replacing the tail lamp bulbs

Requirements

The lighting system is switched off.

The side trim panel in the trunk is open.

Turn signal lights:

  • A PY 21 W light bulb is available.

Reversing lamp:

  • A W 16 W light bulb is available.

Changing bulbs (only for vehicles with halogen headlamps)

  • Push the upper and lower catches on the plug together and remove the plug.
  • Turn wing screw 1 90º counter-clockwise and remove the bulb holder.

Changing bulbs (only for vehicles with halogen headlamps)

  • Indicator: push bulb 2 gently into the bulb mount, turn it counter-clockwise and remove it from the bulb mount.
  • Insert the new bulb into the bulb mount and turn it clockwise.
  • Reversing lamp: pull bulb 3 out of the bulb mount.
  • Insert the new bulb into the bulb mount.
  • Insert the bulb mount again.
  • Turn wing screw 1 90º clockwise.
  • Insert the plug until the catch hooks engage audibly.
  • Close the side trim panel.
    Interior lighting

    Windshield wiper and windshield washer system

    See More:

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