Separate Upper Front Longitudinal Member - Ar62.20-P-1286-01SR

MODEL 453 

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.

1. Expose spot welds on upper front longitudinal member (1) and cut out (areas A, B and C).
   Fig 1: Locating Areas A, B & C

   Courtesy of MERCEDES-BENZ USA

   Shown on MODEL 453.3 

2. Remove upper front longitudinal member (1).
3. Grind mating surfaces down to bare metal in the cross-hatched inner C-pillar sidewall.

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

   Fig 2: Identifying Grind Areas

   Courtesy of MERCEDES-BENZ USA

   Shown on MODEL 453.3 

4. Remove shavings and drill chips with wet/dry vacuum cleaner.
5. Coat insides of spot weld flanges with zinc dust paint.