Upper Front Longitudinal Member Partial Preparation - Ar62.20-S-1287-02E

Model 447, 448 

Refer to the superordinate service document for further information. Safety information in superordinate service document must be observed.

The following operation steps are shown on the right side of the vehicle and must be similarly performed on the left side of the vehicle in the case of damage.

Courtesy of MERCEDES-BENZ USA

1. Mark separating point on the new top front longitudinal member part (1) (area A).
2. Cut separating point on the new top front longitudinal member part (1) (area A).

   Transfer separation point from vehicle.

3. Grind mating surfaces on new upper front longitudinal member (1) down to bare metal in crosshatched areas.

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

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