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

Grind mating surfaces on rear center section (1) down to bare metal in cross-hatched areas.
Grind spot weld flanges down to bare metal on both sides. Area (E) only present on model 171.
Coat insides of spot weld flanges with zinc dust paint.

Courtesy of MERCEDES-BENZ USA