Install A-Pillar Outer Section - Ar63.20-P-1102-03SRC

Model 453.4 

1. Fit A-pillar outer section (2) and upper A-pillar outer section (3) with portal straightening set.
   Fig 1: Identifying A-Pillar Section (2) & Section (3)

   Courtesy of MERCEDES-BENZ USA
2. Fix A-pillar outer section (2) and upper A-pillar outer section (3) in place.
3. A-pillar outer section (2) and upper A-pillar outer section (3) (area M, N and O).
4. Upper A-pillar outer section (3) (area L).
5. A-pillar outer section (2) (area H).

   Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion.

   Fig 2: Locating A-Pillar Weld Line

   Courtesy of MERCEDES-BENZ USA
6. Fit A-pillar paneling (1) together with upper front longitudinal member using portal straightening set.
7. Fix A-pillar paneling (1) and upper front longitudinal member in place.
8. Drill 6.7 mm rivet holes on A-pillar paneling (1) (area B and D).
9. Remove upper front longitudinal member.
10. Drill remaining rivet holes on A-pillar paneling (1) with 6.7 mm (area B, C, and E).
    Fig 3: Identifying Areas B, C & E

    Courtesy of MERCEDES-BENZ USA
11. Countersink rivet holes on A-pillar paneling (1) (area B, C, D and E).
12. Remove A-pillar paneling (1).
13. Apply 2-component adhesive in crosshatched area on body (area G).
14. Install A-pillar paneling (1), fit and fix in place.
15. Rivet A-pillar paneling (1) with blind rivets with 6.4 x 14.0 countersunk head (area B ₁ , C₁ , D₁ and E₁ ).
    Fig 4: Locating Area B 1, C1, D1 and E₁

    Courtesy of MERCEDES-BENZ USA
16. A-pillar paneling (1) (area F).
17. Drill A-pillar paneling (1) with 7 mm bit to depth equal to thickness of one sheet metal panel (area F₁ ).
18. A-pillar paneling (1) (area F₁ ).

    Blind rivets with 6.4 x 14.0 countersunk head on A- pillar paneling (1) are partially riveted when installing front longitudinal member (area B ₁ and D ₁ ).

19. A-pillar paneling (1) (area A).
    Fig 5: Locating Area (A)

    Courtesy of MERCEDES-BENZ USA
20. Drill A-pillar paneling (1) with 7 mm bit to depth equal to thickness of one sheet metal panel (area A ₁ ).
21. A-pillar paneling (1) (area A1).
22. Grind inert gas welds down flat.
23. Clean weld joints.