Cut off A-pillar - AR63.20-P-1100-01EW

MODEL 212 

Fig 1: A-Pillar Outer Paneling Separating Point

Courtesy of MERCEDES-BENZ USA

1. Scribe separating point on A-pillar outer paneling (1) and cut (areas A and B).

   Do not cut too deeply. Otherwise sheet metal panels below can be damaged.

   Dimension b = approx. 25 mm

   Measure separating point in area A from cutout (arrow). The separating point in area B is the first Y-marking (arrow) starting at the B-pillar in the direction of the vehicle front plus approx. 25 mm.

2. Expose spot welds on A-pillar outer paneling (1) and cut out (areas C, D, E and F).
Fig 2: Heating A-Pillar Outer Paneling In Crosshatched Areas
Courtesy of MERCEDES-BENZ USA
3. Expose MIG brazed seams on A-pillar outer paneling and A-pillar reinforcement and cut (area B₁ ).

   Do not damage components below.

4. Heat A-pillar outer paneling in crosshatched areas.

   Crosshatched areas are bonded.

5. Remove damaged A-pillar outer paneling.
Fig 3: A-Pillar Reinforcement Spot Weld Areas
Courtesy of MERCEDES-BENZ USA
6. Expose spot welds on A-pillar reinforcement (2) and cut out (areas H, J₁ , J₂ , O₁ and Q₂ ).
7. Expose MIG brazed seams on A-pillar reinforcement (2) and cut (area I₁ ).
8. Bend upper roof frame upward (arrows).
9. Scribe separating point on A-pillar reinforcement (2) and cut (area I₂ ).

   Cut a Y-markings (arrows).

Fig 4: Heating A-Pillar Reinforcement In Crosshatched Area
Courtesy of MERCEDES-BENZ USA
10. Heat A-pillar reinforcement in crosshatched area.

    Crosshatched area is bonded.

11. Remove damaged A-pillar reinforcement.
Fig 5: A-Pillar Inner Section Spot Weld Areas
Courtesy of MERCEDES-BENZ USA
12. Scribe at A-pillar inner section (3) and cut (area P).

    Do not cut too deeply. Otherwise sheet metal panels below can be damaged.

    Dimensions:  c = approx. 130 mm

    Reference line is the edge (arrow) of the separating point on the A-pillar reinforcement.

13. Expose spot welds on A-pillar inner section (3) and cut out (areas O, Q and R).
14. Heat outer A-pillar inner section (3) in crosshatched area.

    Crosshatched area is bonded.

15. Remove damaged A-pillar inner section (3).
Fig 6: Connection Surface Crosshatched Areas
Courtesy of MERCEDES-BENZ USA
16. Sand connection surfaces down to bare metal in the crosshatched areas.

    Grind spot weld flanges down to bare metal on both sides. Observe pretreatment of bonding surfaces (area H1).

17. Remove shavings and drill chips.
18. Coat insides of spot weld flanges with zinc dust paint.

    Do not coat bonding surfaces with zinc dust paint (area H₁ ). Otherwise adhesion problems can occur.