Prepare new rear fender part - AR63.50-P-1400-03SC

Fig 1: Identifying Needle Template On Y-Markings On Rear Fender And Scribe Cutting Line Area

Courtesy of MERCEDES-BENZ USA

Position needle template on Y-markings (arrows) on rear fender (1) and scribe cutting line (area A).
When the C-pillar is damaged, transfer Y-marking (arrows) upward according to dimension (a), position needle template and scribe cutting line (area A₁ ).

Dimension (a) is 120 mm.
Cut along broken line using body saw (area A or A 1) and remove section (1.1).
For all other operation steps observe information on pretreatment of bonding surfaces.
Grind mating surfaces on rear fender (1) down to bare metal from inside in cross-hatched areas using round wire brush (areas B and C).
Grind mating surfaces on rear fender (1) down to bare metal on both sides in cross-hatched areas using round wire brush (areas E, F and G).
Remove grinding and drill shavings using wet/dry vacuum cleaner.
Coat insides of spot weld flange with zinc dust paint (areas E, F and G).

Fig 2: Identifying Grinding Surfaces On Rear Fender (Cross-Hatched Areas)
Courtesy of MERCEDES-BENZ USA
Grind mating surface on rear fender (1) down to bare metal from inside in cross-hatched areas using round wire brush (areas L and N).
Grind mating surfaces on rear fender (1) down to bare metal in cross-hatched areas on both sides using round wire brush (areas H, J, K and N₁ ).
Grind mating surfaces on rear fender (1) down to bare metal in cross-hatched areas on one side using round wire brush (areas D, M and N₂ ).
Grind mating surfaces on rear fender (1) down to bare metal in cross-hatched areas using stainless steel round wire brush (areas P, Q and R).
Remove grinding and drill shavings using wet/dry vacuum cleaner.
Coat insides of spot weld flange with zinc dust paint (areas K and N₁ ).