Inner A-Pillar Separation - Ar63.20-S-1106-01E

Model 447, 448 

1. Remove soundproofing (5) from inner A-pillar (3).

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

2. Expose spot welds on inner A-pillar (3) and cut out (areas A to F).

   Cut out spot weld (arrow) through two panel thicknesses.

   Courtesy of MERCEDES-BENZ USA

3. Heat inner A-pillar (3) in area G.

   Area G is bonded.

4. Remove inner A-pillar (3).
5. Sand down mating surfaces to bare metal in crosshatched areas.

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

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

   Courtesy of MERCEDES-BENZ USA

8. Sand down mating surfaces to bare metal in crosshatched areas.

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

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

Do not coat bonding surface (area H) with zinc dust paint. Otherwise there may be adhesion problems.

Observe pretreatment of bonding surface (area H).