Preparing Complete A-Pillar For Installation - Ar63.20-P-1100-09LF

Model 222 

except code Z07 (B7 armoring on special protection version) 

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

1. Mark separating point on A-pillar paneling (1) and cut (areas A and B).

   Take separation points from vehicle.

   Courtesy of MERCEDES-BENZ USA

2. Grind mating surfaces on A-pillar paneling (1) down to bare metal in crosshatched areas.

   Sand down spot weld flanges to bare metal on both sides.

3. Remove grinding dust.

   Observe pretreatment of bonding surfaces.

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

4. Mark separating point on A-pillar reinforcement (2) and cut (area C).
5. Drill Ø 6.5 mm spot welds in A-pillar reinforcement (2) (area D).

   Transfer separation point from vehicle.

6. Grind mating surfaces on A-pillar reinforcement (2) down to bare metal in crosshatched areas.

   Sand down spot weld flanges to bare metal on both sides.

7. Remove grinding dust and drill chips.
8. Coat insides of spot weld flanges with zinc dust paint.

   Do not coat bonding surfaces with zinc dust paint (areas K).

   Otherwise adhesion problems may occur.

   Observe pretreatment of bonding surfaces.

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9. Grind mating surfaces on A-pillar reinforcement (2) down to bare metal in crosshatched areas.

   Sand down spot weld flanges to bare metal on both sides.

10. Remove grinding dust.

    Observe pretreatment of bonding surfaces.

11. Insert foam parts (6 and 7) with sealant.

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

12. Mark separating point on offset reinforcement and cut (area J)

    Transfer separation point from vehicle.

13. Cut laser seams on offset reinforcement (areas F).
14. Cut out spot welds on A-pillar inner panel (3) (areas G and H).

    Cut out spot weld through two panel thicknesses (area H).

15. Drill Ø 6.5 mm spot welds in A-pillar inner panel (3) (area).
16. Grind mating surfaces on A-pillar inner panel (3) down to bare metal in crosshatched areas.

    Sand down spot weld flanges to bare metal on both sides.

17. Remove grinding dust and drill chips.
18. Coat insides of spot weld flanges with zinc dust paint.

    Do not coat bonding surfaces with zinc dust paint (areas J).

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces.

    Courtesy of MERCEDES-BENZ USA

19. Fabricate duplicator (8) from A-pillar inner panel remaining piece.

    Dimensions:

    n = approx. 120 mm

20. Cut duplicator (8) in center (area M).
21. Grind insides of duplicator half down to bare metal.
22. Remove grinding dust.

    Observe pretreatment of bonding surfaces.

Courtesy of MERCEDES-BENZ USA