Inner A-Pillar Reinforcement Prepare For Installation - Ar63.20-S-1115-02E

Model 447, 448 

1. Grind mating surfaces on inner A-pillar reinforcement (2) down to bare metal in crosshatched areas.

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

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

Courtesy of MERCEDES-BENZ USA