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Home >> Mercedes Benz >> 2004 >> CLK320 2D Convertible >> Repair and Diagnosis >> Collision >> General Collision Information >> Side Wall -- Testing & Repair -- 209 Chassis - 1 Of 3 >> Testing & Repair >> Remove/install C-pillar - AR63.20-P-0500Q >> Remove C-pillar - AR63.20-P-0500-01Q

Remove C-pillar - AR63.20-P-0500-01Q

Fig 1: Identifying Spot Weld Cutter (201 589 00 51 00)
G04958958Courtesy of MERCEDES-BENZ USA
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1002-01A Ball cutter, dia. 12 mm
WH58.30-Z-1006-01A Vario Drill WS 91 spot weld removing tool
WH58.30-Z-1001-03A Round wire brush, braided, dia. 70 mm
WH58.30-Z-1021-04A Cutting disk, dia. 65 mm, 80 m/s (max. 23, 500 RPM)
WH58.30-Z-1024-04A Abrasive disk, dia. 115 mm, 80 m/s (max. 13, 250 RPM)
WH58.30-Z-1004-20A Hot-air gun
WORKSHOP EQUIPMENT

WE58.40-Z-1001-02A Inert gas welder
WE58.40-Z-1002-02A Spot welder
WE58.40-Z-1001-03A Drill (electric/pneumatic)
WE58.40-Z-1002-03A Straight grinder (electric/pneumatic)
WE58.40-Z-1003-03A Angle grinder (electric/pneumatic)
WE58.40-Z-1004-03A Body saw (electric/pneumatic)
WE58.40-Z-1005-03A Wet/dry vacuum cleaner
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1001-07A Zinc dust paint suitable for spot welding A 000 986 34 42
  1. Mark separation point and cut with body saw (area A).
  2. Expose spot welds and cut out with spot weld cutter (area B).
  3. Remove C-pillar outer section

    IMPORTANT Remove water drain hose underneath.

    Fig 2: Identifying Cutting And Welding Area
    G04958959Courtesy of MERCEDES-BENZ USA
    Fig 3: Identifying Welding Spots Area
    G04958960Courtesy of MERCEDES-BENZ USA
  4. Mark separation point and separate using a body saw (area F).
  5. Expose weld spots and mill off using a spot weld cutter (areas C, D, E and G).
    Fig 4: Identifying Cutting And Welding Area
    G04958961Courtesy of MERCEDES-BENZ USA
  6. Mark separation point and cut with body saw (area H).
  7. Expose weld spots and mill off using a spot weld cutter (areas I, J and K).
  8. Remove inner C-pillar section at top.
  9. Grind open weld seams (area N).
  10. Expose spot welds and cut out with spot weld cutter (areas L and M).
  11. Heat up adhesive seam using a hot air blower (area H1).
  12. Completely remove C-pillar.
    Fig 5: Identifying Grinding Area
    G04958962Courtesy of MERCEDES-BENZ USA
  13. Grind connection surfaces down to bare metal in shaded areas. Sand spot weld flanges to bare metal on both sides
    Fig 6: Identifying Shaded Areas
    G04958963Courtesy of MERCEDES-BENZ USA
  14. Grind connection surfaces down to bare metal in shaded areas. Sand spot weld flanges to bare metal on both sides
  15. Remove grinding and drilling chips with wet/dry vacuum cleaner.
  16. Coat insides of spot welding flanges and riveted joint with zinc dust paint.
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