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

Model 257, 290 

The following operation steps are shown on the left side of the vehicle on model 257. In case of damage on the right side of the vehicle, these steps must be performed analogously.

Additional information can be found in the superordinate service document.

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

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1. Mark separating points on A-pillar paneling (5) and cut (areas A, B).

   Transfer separation points from vehicle.

2. Grind mating surfaces on A-pillar paneling (5) down to bare metal in crosshatched areas.

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

3. Remove grinding dust.
4. Coat insides of spot weld flanges with zinc dust paint.
5. Mark separating points on A-pillar reinforcement (6) and cut (areas C, D).

   Transfer separation points from vehicle.

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   Courtesy of MERCEDES-BENZ USA

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

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

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

   Otherwise adhesion problems may occur.

   Observe pretreatment of bonding surfaces.

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

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9. Mark separating point on A-pillar inner panel (7) and cut (area G).

   Transfer separation point from vehicle.

10. Cut laser seams on A-pillar inner panel (7) (areas I).
11. Expose spot welds on A-pillar inner panel (7) and cut out (areas J).
12. Remove A-pillar inner panel (7) from replacement part.
13. Grind mating surfaces on A-pillar inner panel (7) down to bare metal in crosshatched areas.

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

14. Remove grinding dust.
15. 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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16. Grind mating surface on outer connecting panel (8) down bare metal in crosshatched area.
17. Remove grinding dust.

    Observe preliminary treatment of bonding surface.

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18. Grind mating surface on inner connecting panel (9) down to bare metal in crosshatched area.
19. Remove grinding dust.

    Observe preliminary treatment of bonding surface.

    Courtesy of MERCEDES-BENZ USA