Mercedes-Benz Truck 2000-05

Locks & Lock Systems

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Power Door Locks



Removal & Installation
Door Lock Motor
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Put the door glass to the lowered position.
  4.  
  5. Remove the outer cover from the door handle; use a plastic wedge to prevent marring the trim. Remove the 2 screws securing the handle.
  6.  
  7. If equipped with side airbags, unclip the airbag panel and remove the screw. Be careful when handling the panel; refer to the airbag precautions in this section.
  8.  
  9. Remove the triangular trim piece covering the outside mirror mounting; again use the plastic wedge to do this.
  10.  
  11. Carefully loosen the door panel by inserting the plastic wedge next to the clips securing the panel (refer to the illustration for clip locations).
  12.  
  13. Lift the door panel up and out. Detach the cable from the door unlock handle and detach the lamp at the bottom of the panel. Check the clips and replace any that are damaged.

    Click image to see an enlarged view

    Fig. Detail of the door panel mounting clip locations

  14.  
  15. Carefully peel back the liner enough to access the power lock through the hole; the liner must be resecured during installation.
  16.  
  17. Detach the electrical connection, then remove the fasteners from the lock motor. Disengage the motor lock assembly from the door and cable.

    Click image to see an enlarged view

    Fig. The lock motor can be accessed through the hole in the door (1)



    Click image to see an enlarged view

    Fig. Lock motor connector (5) and lock motor (M14/6)

  18.  
  19. Installation is the reverse of removal.
  20.  

Door Lock Switch

The door lock switch, power window switches and mirror control switches are integrated into one unit and can only be replaced as an entire unit.

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Lift the armrest and remove the screws securing it. Remove the stowage box located under the armrest.
  4.  
  5. Carefully pry the trim boot from the gearshift lever area of the center console. Use a plastic wedge to avoid marking the wood and plastic trim.
  6.  
  7. Remove the screws securing the center console trim at the armrest area. Carefully slide back then lift the center console trim and detach the electrical connections.
  8.  
  9. Remove the ashtray.
  10.  
  11. Unclip the center console switch group.
  12.  
  13. Installation is the reverse of removal.

    Click image to see an enlarged view

    Fig. The center console switch assembly must be replaced as a unit

  14.  

 
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