Inner Rear Wheelhouse Separation - Ar63.10-S-0670-01E

Model 447, 448 

Courtesy of MERCEDES-BENZ USA

1. Expose spot welds on inner rear wheel well (1) and cut out (areas A and B).
2. Heat up sprayable seam seal in the cross-hatched areas and remove.
3. Remove damaged inner rear wheel well (1).
4. Level resistance spot welds.
5. Remove shavings and drill chips.
6. Coat insides of riveted joint with zinc dust paint.