Outer A-Pillar Section Prepare For Installation - Ar63.20-P-1102-02ME

Model 167 

The following operation steps are to be performed on model 167.1 on the left side of the vehicle and must be performed analogously on the right side.

The higher-level service document as well as the safety information in the service document must be observed.

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

   Transfer separation points from vehicle.

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

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

   Grind mating surfaces down to bare metal on inside (area C).

3. Remove grinding dust.
4. Coat insides of spot weld flanges with zinc dust paint.

   Do not coat bonding surfaces with zinc dust paint (area C).

   Otherwise adhesion problems may occur.

   Observe pretreatment of bonding surfaces.

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5. Expose spot welds on A-pillar reinforcement (2) and cut out (area D).
6. Punch holes for plug welds on A-pillar reinforcement (2) (area F).
7. Grind mating surfaces on A-pillar reinforcement (2) down to bare metal in cross-hatched areas.

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

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

   Do not coat bonding surfaces with zinc dust paint (area E).

   Otherwise adhesion problems may occur.

   Observe preliminary treatment of bonding surface.

   Courtesy of MERCEDES-BENZ USA