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Install A-Pillar Inner Section - Ar63.20-P-1104-04SR

MODEL 453.3 

  1. Install inner longitudinal member (2), lower A-pillar (3) and upper A-pillar (4), fit and fix in place.
    Fig 1: Locating A-Pillar (3) & (4)
    G12095931Courtesy of MERCEDES-BENZ USA
  2. Drill dia. 6.7 mm rivet holes in inner longitudinal member (2) (area A).
  3. Remove inner longitudinal member (2), lower A-pillar (3) and upper A-pillar (4).
  4. Deburr rivet holes inner longitudinal member (2) and body on both sides.
  5. Coat insides of riveted joints with zinc dust paint.
  6. Apply 2-component adhesive in crosshatched areas on body (area B).

    IMPORTANT Observe pretreatment of bonding surfaces. Observe manufacturer's specifications for drying and processing time of adhesive.

    Fig 2: Locating Body Area B
    G12095932Courtesy of MERCEDES-BENZ USA
  7. Install inner longitudinal member (2), lower A-pillar (3) and upper A-pillar (4), fit and fix in place.
  8. Rivet inner longitudinal member (2) with 6.5 x 12.5 blind rivets (area D).
  9. Inner longitudinal member (2) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas C1 , C2 , C3 , C4 , C5 and F).
    Fig 3: Locating Body Areas C1, C2, C3, C4 , C5 , F, G1 and G2
    G12095933Courtesy of MERCEDES-BENZ USA
  10. Inner longitudinal member (2) and lower A-pillar (3) BRAZING (areas G1 and G2 ).
  11. Inner longitudinal member (2) and lower A-pillar (3) BRAZING (areas M and N).
    Fig 4: Locating Body Areas M & N
    G12095934Courtesy of MERCEDES-BENZ USA
  12. Install inner longitudinal member reinforcement (1), fit and fix in place.
  13. Drill dia. 6.7 mm rivet holes in inner longitudinal member reinforcement (1) (area H).
    Fig 5: Locating Body Area H
    G12095935Courtesy of MERCEDES-BENZ USA
  14. Remove inner longitudinal member reinforcement (1).
  15. Deburr rivet holes on inner longitudinal member reinforcement (1) and body on both sides.
  16. Coat insides of riveted joints with zinc dust paint.
  17. Install inner longitudinal member reinforcement (1), fit and fix in place.
  18. Rivet inner longitudinal member reinforcement (1) with 6.5 x 12.5 rivets (area I).
  19. Inner longitudinal member reinforcement (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas J and K).
    Fig 6: Locating Body Areas J, K & L
    G12095936Courtesy of MERCEDES-BENZ USA
  20. Inner longitudinal member reinforcement (1) BRAZING (area L).