Inner Upper A-Pillar Reinforcement Partial Weld In - Ar63.20-S-1111-03E

Model 447, 448 

1. Install partial inner upper A-pillar reinforcement (3), fit and fix in place.
2. Drill Ø 6.5 mm rivet holes in partial inner top A-pillar reinforcement (3) (area A).
3. Partially remove inner upper A-pillar reinforcement (3)..
4. Deburr rivet holes on both sides (area A).
5. Countersink rivet holes (area A).
6. Remove drilling chips.
7. Apply zinc dust paint to insides of riveted joints.

   Courtesy of MERCEDES-BENZ USA

8. Apply sealant to soundproofing.
9. Apply 2-component adhesive to body in crosshatched areas.

   Observe pretreatment of bonding surfaces. Refer to the manufacturer's information for the curing and working times of 2-component adhesive.

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

10. Install partial inner upper A-pillar reinforcement (3), fit and fix in place.
11. Partial inner upper A-pillar reinforcement (3) (areas D and E).
12. Partial inner upper A-pillar reinforcement (3) (areas B and C).
13. Rivet partial inner upper A-pillar reinforcement (3) with Polygrip Ø 6.4x14 countersunk head rivet (area F).
14. Grind inert gas spot welds down flat.
15. Clean weld joints.
16. Remove shavings and drill chips.
17. Apply zinc dust paint to weld joints (areas B to E).