Prepare New Parts On Main Floor Panel For Installation - Ar63.40-P-1180-23SR

Model 453.3/4 

1. Scribe separating point on main floor (4) and cut (area J).

   Dimensions: 

   b = approx. 520 mm

   Fig 1: Locating Areas J, K1 & K2

   Courtesy of MERCEDES-BENZ USA
2. Grind mating surfaces on main floor (4) down to bare metal in crosshatched areas.

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

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

   Do not coat bonding surfaces with zinc dust paint (areas K₁ and K₂ ).

   Otherwise adhesion problems may occur.

5. Grind mating surfaces on reinforcement (1), crossmember (2) and seat console (3) down to bare metal in crosshatched areas.

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

   Fig 2: Locating Grinding Areas

   Courtesy of MERCEDES-BENZ USA
6. Coat insides of spot weld flanges with zinc dust paint.