Remove C-Pillar - Ar63.20-P-0500-01LC

MODEL 217.3 

The following steps are shown on the left side of the vehicle and must be accomplished analogously on the right side in the event of damage.

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1. Remove foam pieces (area A).
2. Mark separating point on C-pillar (1) and cut (area A).

   Do not cut too deeply.

   Otherwise the components below can be damaged and weakened.

   Dimensions: 

   a = approx. 75 mm

   b = approx. 115 mm

3. Expose spot welds on C-pillar (1) and cut out (areas B and B₁ ).

   Cut out spot welds through two panel thicknesses (areas B₁ ).

4. Expose spot welds on C-pillar (1) and drill out with Ø 6.5 mm bit (area C).
5. Expose clinch connections on C-pillar (1) and drill with Ø 6 mm bit (areas D₁ and D₃ ).

   The clinch connections can also be cut with a riveter for self-piercing and flow-form rivets (area D₁ ).

6. Expose spot welds on C-pillar (1) and drill out with Ø 6.5 mm bit (area D₂ ).

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   Courtesy of MERCEDES-BENZ USA

7. Heat C-pillar (1) in crosshatched areas.

   Cross-hatched areas are bonded.

8. Remove C-pillar (1).

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9. Mark separating point on C-pillar reinforcement (2) and cut (area F).

   Do not cut too deeply.

   Otherwise the components below can be damaged and weakened.

   Dimensions: 

   c = approx. 175 mm

   d = approx. 70 mm

10. Expose spot welds on C-pillar reinforcement (2) and cut out (areas E).
11. Remove C-pillar reinforcement (2).

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12. Grind mating surfaces down to bare metal in the cross-hatched inner C-pillar sidewall.

    Sand down spot weld flanges to bare metal on both sides.

13. Remove grinding dust and drill chips.
14. Coat insides of spot weld flanges with zinc dust paint.

    Do not coat bonding surfaces with zinc dust paint (areas G).

    Otherwise adhesion problems may occur.

15. Observe pretreatment of bonding surfaces.