Prepare inner C-pillar side wall. - AR63.10-P-0700-02SX

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1001-03A	Round wire brush, braided, dia. 70 mm

WORKSHOP EQUIPMENT

WE58.40-Z-1001-03A

Drill (electric/pneumatic)

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-07A	Zinc dust paint suitable for spot welding	A 000 986 34 42

Grind connection surfaces on outer rear wheelhouse (1) down to bare metal in cross-hatched areas with round wire brush.
Grind spot weld flanges down to bare metal on both sides.
Coat insides of spot welding flange on outer rear wheelhouse (1) with zinc dust paint.

Fig 1: Identifying Outer Rear Wheelhouse Connection Surfaces
Courtesy of MERCEDES-BENZ USA

Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas A, B, C and D).

Observe pretreatment of bonding surfaces.
Grind connection surfaces on inner C-pillar (2) down to bare metal in cross-hatched areas with round wire brush.
Grind spot weld flanges down to bare metal on both sides.
Coat insides of spot welding flange on inner C-pillar (2) with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas E, E₁ , F and G).

Observe pretreatment of bonding surfaces.

Fig 2: Identifying Inner C-pillar Connection Surfaces
Courtesy of MERCEDES-BENZ USA
Grind connection surfaces on outer C-pillar (3) down to bare metal in cross-hatched areas with round wire brush.
Grind spot weld flanges down to bare metal on both sides.
Coat insides of spot welding flange on outer C-pillar (3) with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas H and I).

Observe pretreatment of bonding surfaces.

Fig 3: Identifying Outer C-pillar Connection Surfaces
Courtesy of MERCEDES-BENZ USA