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Home >> Mercedes Benz >> 2002 >> C240 Standard >> Repair and Diagnosis >> Collision >> General Collision Information >> Body Panels -- Testing & Repair -- 203 Chassis - 2 Of 2 >> Testing & Repair >> Separating A-pillar - AR63.20-P-1100-01P

Separating A-pillar - AR63.20-P-1100-01P

Fig 1: Identifying Spot Weld Cutter (201 589 00 51 00)
G04738807
Fig 2: Identifying Cutting Templates (203 589 06 23 00)
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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-1004-20A Hot-air gun
WORKSHOP EQUIPMENT

WE58.40-Z-1001-03A Drill (electric/pneumatic)
WE58.40-Z-1002-03A Straight grinder (electric/pneumatic)
WE58.40-Z-1004-03A Body saw (electric/pneumatic)
  1. Mark separation points on side longitudinal member and cut through completely with body saw (area A).

    NOTES Do not damage main floor.

    Fig 3: Identifying Separation Points On Side Longitudinal Member
    G04738809
  2. Mark separation point on outer A-pillar with cutting templates and cut with body saw (area B).

    NOTES Do not damage longitudinal member outer shell below.

  3. Expose spot welds in between and cut out.
  4. Remove section.
    Fig 4: Identifying Separation Point On Outer A-Pillar
    G04738810
  5. Mark separation point on longitudinal member outer shell with cutting template (area C).
    Fig 5: Identifying Separation Point On Longitudinal Member Outer Shell (1 Of 2)
    G04738811
  6. Cut separation point on longitudinal member outer shell with body saw (area C).

    NOTES Do not damage main floor.

  7. Expose spot welds between separation points A and C and cut out.
  8. Remove section of outer longitudinal member.
    Fig 6: Identifying Separation Point On Longitudinal Member Outer Shell (2 Of 2)
    G04738812
    Fig 7: Identifying Separation Points On A-Pillar
    G04738813
  9. Mark separation points on A-pillar and cut through completely with body saw (areas D and E).

    Dimensions: a = approx. 150 mm b = approx. 50 mm

    NOTES Do not damage roof frame on inside of vehicle.

    Fig 8: Identifying Spot Welds Area - F And G
    G04738814
  10. Expose spot welds and cut out with spot weld cutter (area G).

    IMPORTANT Spot weld (arrow) is not visible and must be felt from the inside of the spot welding flange.

  11. Separate separation points with straight grinder (area F).
  12. Remove section.
    Fig 9: Identifying Spot Welds Area - H
    G04738815
  13. Expose spot welds and cut out with spherical cutter (area H).
    Fig 10: Identifying Spot Welds Area - I, J, K And L
    G04738816
  14. Expose spot welds and cut out with spherical cutter (areas J, K and L).
  15. Expose spot welds and cut out with spot weld cutter (area I).
    Fig 11: Identifying Spot Welds Area - M
    G04738817
  16. Expose spot welds and cut out with spot weld cutter (area M).

    IMPORTANT Spot welds (arrows) are not visible and must be felt from the inside of the spot welding flange.

    Fig 12: Identifying Spot Welds Area - N
    G04738818
  17. Expose spot welds and cut out with spot weld cutter and spherical cutter (area N).
    Fig 13: Identifying Spot Welds Area - O
    G04738819
  18. Expose spot welds and cut out with spherical cutter (area O).
    Fig 14: Identifying A-Pillar Heated Area
    G04738820
  19. Heat up A-pillar in shaded areas with hot air blower.
  20. Remove A-pillar.
    Fig 15: Identifying Separation Points On Outer A-Pillar Paneling And A-Pillar Reinforcement
    G04738821
  21. Mark separation points on outer A-pillar paneling and cut with body saw (area P).

    Dimension: c = approx. 100 mm

  22. Expose spot welds and cut out with spot weld cutter (area Q), remove remaining part.
  23. Expose spot welds and cut out with spot weld cutter (area R), remove remaining part.
  24. Mark separation point on A-pillar reinforcement and cut with body saw (area S).

    Dimension: d = approx. 30 mm

  25. Expose spot welds and cut out with spot weld cutter (areas Y), remove remaining part.
  26. Grind down weld (area V).
  27. Expose spot welds and cut out with spot weld cutter (areas T), remove remaining part.
  28. Expose spot welds and cut out with spot weld cutter (area W).
  29. Heat inner longitudinal member with hot air blower in shaded area (foam filled area).
  30. Remove remaining reinforcement (1).
  31. Expose spot welds and cut out with spot weld cutter (area X), remove remaining part.
    Fig 16: Identifying Spot Welds Area - W And X
    G04738822