Prepare Bottom Rear Center Section For Installation - Ar64.20-P-1000-07XG

Model 463 as of model year 2019 

The higher-level service information as well as the safety information must be observed.

1. Grind mating surfaces at rear-end center section upper part (1) in cross-hatched area down to bare metal.

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

2. Remove grinding dust.
3. Coat insides of spot weld flanges with zinc dust paint.

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

   Otherwise adhesion problems may occur.

   Courtesy of MERCEDES-BENZ USA

   Observe pretreatment of bonding surfaces.

4. Grind mating surfaces at rear-end center section lower part (2) down to bare metal in cross-hatched areas.

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

5. Remove grinding dust.
6. Coat insides of spot weld flanges with zinc dust paint.

Courtesy of MERCEDES-BENZ USA