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Removal and installation of the instrument panel - ra68001400100x(0100)

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Model 140 

Preliminary work:

Negative terminal on battery disconnected, steering wheel removed (46-610), instrument cluster removed (54-250), combination switch removed (54-310), molding at side of windshield removed (Remove and install the reveal molding at the side of the windshield  ), cover for loudspeaker on left and right removed (Removal and installation of the loudspeaker cover  ), glove compartment removed (Removal and installation of the glove compartment  ), cover below instrument panel removed (68-150) , cover on gearshift lever removed (Removal and installation of gear shift lever cover (manual transmission)  or Removal and installation of selector lever cover (automatic transmission)  ), radio removed (82-505), cover on center console removed (Removal and installation of the center console cover  ), spectacles compartment removed (Removal and installation of the spectacles compartment  ), side air nozzle removed (Removal and installation of the side air nozzle  ), center air nozzle removed (Removal and installation of the center air nozzle  )

Fig 1: Identifying Instrument Panel Components
G05440243Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Air ducts on left and right remove.
Plug on rotary light switch disconnect.
Plug connection on switch for headlamp range control disconnect.
Lamp socket for light switch symbol disconnect.
Sheet metal clamp on front wall pillar, left and right remove (2 each).
Actuation for steering wheel adjustment remove.
Control cable on release handle for parking brake unhook, remove handle.
Wooden trim strip below center air nozzle remove, for this purpose unclip cover on front, screw out screw and remove wooden trim strip.
Knurled switch strip remove (2 screws) disconnect electrical connection and actuating elements.
Screw (1) at connection point between center console and instrument panel screw out (2 each).
Screw (2) in cutout for instrument cluster screw out (1 each).
Screws (3 and 4) for fastening instrument panel screw out (4 each).
Instrument panel (5) remove, for this purpose lift instrument panel over air connections and center console. Then pull instrument panel back at right, guide jacket tube and ignition lock through.
Instrument panel (5) remove and store at side.

Special tools 

Fig 2: Identifying Special Tool (140 589 02 33 00 54)
G05440244Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Special Tool (115 589 03 59 00)
G05440245Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Removal and installation 

  1. Remove air duct (1). Screw out screw (2) and remove clip (3).
    Fig 4: Identifying Air Duct And Clip
    G05440246Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  2. Disconnect plugs for rotary light switch, headlamp range control and bulb socket for rotary light switch symbol (arrows).
    Fig 5: Locating Rotary Light Switch Symbol
    G05440247Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  3. Remove actuating mechanism for steering wheel adjustment, for this purpose pull off knob, screw out screw (4), slide cover (5) up and remove.
    Fig 6: Identifying Cover And Screw
    G05440248Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  4. Screw out screw (6) and remove housing (7). Do not  unhook control cable.
    Fig 7: Identifying Screw And Housing
    G05440249Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  5. Remove control cable (8) for parking brake on release handle and remove handle (9).
    Fig 8: Identifying Control Cable And Handle
    G05440250Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  6. Unclip cover on wooden trim strip at side (arrows).
    Fig 9: Locating Cover On Wooden Trim Strip
    G05440251Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  7. Screw out screw (arrow).
    Fig 10: Locating Screw
    G05440252Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  8. Remove wooden trim strip (10), for this purpose extend attachment hook in area of instrument cluster.
    Fig 11: Identifying Trim Strip
    G05440253Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Fig 12: Locating Arresting Bolt And Attachment Hook On Wooden Trim Strip
    G05440254Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

    Arresting bolt and attachment hook on wooden trim strip.

  9. Screw out screws (11 and 12).
  10. Remove knurled switch strip (13), and disconnect plugs and control cables for heater.
    Fig 13: Identifying Screws And Knurled Switch Strip
    G05440255Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  11. Remove air duct (14) and clip (15).
    Fig 14: Identifying Air Duct And Clip
    G05440256Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  12. Screw out screws (arrows) (8 mm) at top of center console.
    Fig 15: Locating Screws At Top Of Center Console
    G05440257Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  13. Screw out screws (arrows) for mounting instrument panel (10 mm).
    Fig 16: Locating Screws For Mounting Instrument Panel
    G05440258Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  14. Lift instrument panel over center console (arrows) and air connections at top, then pull back on passenger side and move out at steering column and ignition lock.
    Fig 17: Locating Center Console
    G05440259Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  15. Unclip electrical wires on instrument panel, driver's side (arrow).
  16. Remove instrument panel.
    Fig 18: Locating Electrical Wires On Instrument Panel
    G05440260Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Fig 19: Identifying Instrument Panel
    G05440261Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

    Instrument panel removed

    Support points for instrument panel

    Fig 20: Identifying Support Points For Instrument Panel
    G05440262Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

    Installation note 

    Adjust support points so that top is even with tinting on windshield and coincides with wooden trim strip on door cover.

    Fig 21: Locating Support Points
    G05440263Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  17. First insert instrument panel on the front wall pillar on the driver's side moving over steering column, ignition lock, air connections at top and mounting flange on center console.
    Fig 22: Inserting Instrument Panel On Front Wall Pillar On Driver's Side Moving Over Steering Column
    G05440264Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  18. Align or expose insulating mats (16 and 17), electrical wires and control cables.
    Fig 23: Identifying Insulating Mats
    G05440265Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  19. Screw in mounting screws (7 each, arrows) and tighten.
  20. Plug in connectors for rotary light switch, headlamp range control and bulb socket for rotary light switch symbol.
    Fig 24: Identifying Headlamp Range Control And Bulb Socket
    G05440266Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  21. Install air ducts on left and right.
  22. Install clip on front wall pillar.
  23. Install knurled switch strip. Attach control cables for heater and plugs (arrows).
  24. Install wooden trim strip.
    Fig 25: Locating Control Cables For Heater And Plugs
    G05440267Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  25. Continue to reinstall in opposite order.
  26. Perform function check.
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