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Home >> Mercedes Benz >> 2003 >> CLK55 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Side Wall -- Testing & Repair -- 209 Chassis - 1 Of 3 >> Testing & Repair >> Inner A-pillar - AR63.20-P-1106 >> Separate inner A-pillar - AR63.20-P-1106-01QA

Separate inner A-pillar - AR63.20-P-1106-01QA

Fig 1: Identifying Spot Weld Cutter (201 589 00 51 00)
G04959005Courtesy 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)
WORKSHOP EQUIPMENT

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
Fig 2: Identifying Welding Spots Area
G04959006Courtesy of MERCEDES-BENZ USA
  1. Mark separation point (area A), dimension a = approx. 15mm and cut through with body saw and cutting disk.

    IMPORTANT Cut through carefully, in order not to damage the inner sill located underneath.

  2. Expose welding spots and mill off using a spot weld cutter (areas B, C, D, D1, E, E1, F and G).
    Fig 3: Identifying Welding And Cutting Area
    G04959007Courtesy of MERCEDES-BENZ USA
  3. Expose welding spots and mill off using a spot weld cutter (areas H, I, J, K and L).
  4. Remove section.
    Fig 4: Identifying Shaded Areas
    G04959008Courtesy of MERCEDES-BENZ USA
  5. Grind connection surfaces down to bare metal in shaded areas. Sand spot weld flanges to bare metal on both sides
  6. Remove grinding and drilling chips using wet/dry vacuum cleaner.
  7. Coat insides of spot welding flanges and rivet connections with zinc dust paint.