Prepare A And B-Pillar Complete With Longitudinal Member - Ar63.20-P-1120-02LF

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.

Courtesy of MERCEDES-BENZ USA

1. Grind mating surfaces on A and B-pillar paneling (1.1) down to bare metal in crosshatched areas.

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

   Observe pretreatment of bonding surfaces (areas A).

2. Remove grinding dust.

   Courtesy of MERCEDES-BENZ USA

   Shown on model 222.0 

3. Mark separating point on roof frame paneling (1.2) and cut (area B).

   Transfer separation point from vehicle.

4. Grind mating surfaces on roof frame paneling (1.2) down to bare metal in crosshatched areas.

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

5. Remove grinding dust.
6. Coat insides of spot weld flanges with zinc dust paint.

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

   Otherwise adhesion problems may occur.

   Observe pretreatment of bonding surfaces (areas C).

   Shown on model 222.0 

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

   Shown on model 222.0 

7. Mark side longitudinal member paneling separating points (1.3) and cut (areas D and D₂ ).

   Take separation points from vehicle.

8. Grind mating surfaces on side longitudinal member paneling (1.3) down to bare metal in crosshatched areas.

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

   Observe pretreatment of bonding surface (area E).

9. Remove grinding dust.

   Shown on model 222.0 

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

   Shown on model 222.0 

10. Grind mating surfaces on A and B-pillar paneling reinforcement (2) down to bare metal in crosshatched areas.

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

11. Remove grinding dust.
12. Coat insides of spot weld flanges with zinc dust paint.

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

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces (areas F).

    Courtesy of MERCEDES-BENZ USA

    Shown on model 222.0 

13. Grind mating surfaces on A-pillar inner panel (3.1) down to bare metal in crosshatched areas.

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

    Observe pretreatment of bonding surfaces on outer side (areas G₂ ).

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 G₁ ).

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces (areas G₁ ).

    Courtesy of MERCEDES-BENZ USA

    Shown on model 222.0 

16. Grind mating surfaces on roof frame inner panel (3.2) down to bare metal in crosshatched areas.

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

    Observe pretreatment of bonding surfaces on outside (areas H₂ ).

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

    Do not apply zinc dust paint to bonding surfaces (area H₁ ).

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces (area H₁ ).

19. Grind mating surfaces on B-pillar inner panel (3.3) down to bare metal in crosshatched areas.

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

20. Remove grinding dust.
21. Coat insides of spot weld flanges with zinc dust paint.

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

    Otherwise adhesion problems may occur.

    Observe pretreatment on outer surfaces of bonding surfaces (areas I).

Courtesy of MERCEDES-BENZ USA