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

WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.

Scribe separation line on inner C-pillar side wall (1) (area A).
Transfer separation line from vehicle.
Cut inner C-pillar side wall (1) at separation point with body saw (area A).
Cut out spot welds on rear shelf reinforcement (2) with spot weld milling cutter (area B).
Remove rear shelf reinforcement (2).

Fig 1: Identifying C-Pillar Side Wall Spot Weld Areas & Separation Points
Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Inner C-Pillar Side Wall Grinding Areas
Courtesy of MERCEDES-BENZ USA
Grind connection surfaces on inner C-pillar side wall (1) down to bare metal in crosshatched 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 side wall (1) with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas C and D).

Observe pretreatment of bonding surfaces (areas C and D).