Wheel Well Prepare For Installation - Ar62.20-P-1200-19FR

Model 257, 290 

The following operation steps are shown on the left side of the vehicle on model 257. In case of damage on the right side of the vehicle, these steps must be performed analogously.

Additional information can be found in the superordinate service document.

The safety information in the superordinate service document must be observed.

Courtesy of MERCEDES-BENZ USA

1. Mark separating point on wheel well (1) and cut (area A).

   Transfer separation point from vehicle.

   Ensure that the wheel well (1) does not make contact with the firewall crossmember in area of the separating point (A).

2. Grind mating surfaces on wheel well (1) down to bare metal in crosshatched areas.

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

3. Remove grinding dust.

   Observe pretreatment of bonding surfaces.

4. Grind mating surfaces on wheel well (1) down to bare metal in crosshatched areas.
5. Remove grinding dust.

   Observe pretreatment of bonding surfaces.

   Courtesy of MERCEDES-BENZ USA

6. Grind mating surfaces on crossmember (2) down to bare metal in crosshatched areas.

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

7. Remove grinding dust.
8. Coat insides of spot weld flanges with zinc dust paint.

   Do not coat bonding surfaces with zinc dust paint (areas B).

   Otherwise adhesion problems may occur.

   Observe pretreatment of bonding surfaces.

   Courtesy of MERCEDES-BENZ USA