Install And Weld In B-Pillar - Ar63.20-P-1350-06CLW

Model 205.3 

The following steps are shown on the left side of the vehicle and must be performed analogously on the right side in the event of damage.

The superordinate service document as well as the safety information in the service document must be observed.

1. Install B-pillar (2) with portal straightener, fit, and fix in place.

   Use spacers.

2. Drill rivet hole on B-pillar (2) with Ø 0 6.7 mm bit (area A).
3. Remove portal straightener and B-pillar (2).
4. Deburr rivet hole on B-pillar (2) and on body on both sides.
5. Remove drilling chips.

   Courtesy of MERCEDES-BENZ USA

6. Insert new foam part (5) with sealant.
7. Apply sealant to foam part (5) in cross-hatched area (area B).
8. Apply 2-component adhesive on body in cross-hatched areas (areas C).

   Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

   Courtesy of MERCEDES-BENZ USA

9. Apply 2-component adhesive to body in cross-hatched areas.

   Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

   Courtesy of MERCEDES-BENZ USA

10. Install B-pillar (2) with portal straightener and fix in place.

    Use spacers.

11. Rivet B-pillar (2) with a Ø 6.4x12 rivet (area D).
12. B-pillar (2) (areas E).
13. B-pillar (2) (area F).

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

14. Face-grind inert gas weld on B-pillar (2) (area F).

    Grind down flat only on beaded areas and contact areas of rear fender.

    Courtesy of MERCEDES-BENZ USA

15. Clean weld joints that are no longer accessible after rear fender is installed, and coat with zinc dust paint.
16. B-pillar (2) (areas G).

    Courtesy of MERCEDES-BENZ USA

17. B-pillar (2) (area H).

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

    Courtesy of MERCEDES-BENZ USA

18. Install, fit, and fix in place inner roof frame (3).
19. Drill rivet holes on inner roof frame (3) with a Ø 6.7 mm bit (areas J, K).

    Drill rivet hole from above through existing hole in body (area K).

20. Remove inner roof frame (3).
21. Deburr rivet holes on inner roof frame (3) and body on both sides.
22. Remove drilling chips.
23. Coat with zinc dust paint insides of those riveted joints that will not be bonded.

    Courtesy of MERCEDES-BENZ USA

24. Apply 2-component adhesive to body in cross-hatched areas.

    Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

    Courtesy of MERCEDES-BENZ USA

25. Install and fix in place the inner roof frame (3).
26. Rivet inner roof frame (3) with Ø 6.5x12.5 rivets from the outside (areas L, M, N).
27. Inner roof frame (3) (areas O).
28. Inner roof frame (3) (areas P, Q).

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

    Courtesy of MERCEDES-BENZ USA

29. Drill mounting support (4) with a Ø 8 mm bit (area R).

    To prevent collision with riveted joint made previously.

30. Install mounting support, fit, and fix in place (4).
31. Drill rivet holes on mounting support (4) with a 0 6.7 mm bit (areas S, T, Z).

    Drill rivet holes offset by approx. 5 mm in relation to standard joint in direction of vehicle outer side (areas T).

    Drill rivet holes from above through existing holes in body (areas Z).

32. Remove mounting support (4).
33. Drill rivet holes on mounting console (4) and deburr on body on both sides.
34. Remove drilling chips.
35. Coat insides of riveted joints with zinc dust paint.

    Courtesy of MERCEDES-BENZ USA

36. Rivet mounting support (4) with Ø 6.5x12.5 rivets (areas U, V).
37. Rivet mounting support (4) with Ø 6.4 M6 rivets from the outside (areas W).

    Courtesy of MERCEDES-BENZ USA

38. Install roof frame paneling (6), fit, and fix in place.
39. Roof frame paneling (6) (areas X).
40. Roof frame paneling (6) (area Y).

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

41. Face-grind inert gas weld joints (area Y).

    Courtesy of MERCEDES-BENZ USA

42. Solder surfaces on roof frame paneling (6) with body solder and smoothen (area Y).

    A basic body filler can also be used as an alternative to the restoration of the surfaces with body solder.

43. Remove solder residues and grinding dust.