B-Pillar Cut Off - Ar63.20-P-1350-05FRX

Model 290 

The following operation steps are shown on the left side of the vehicle on model 290 except code 414 (Sliding sunroof). In case of damage on the right side of the vehicle, these steps must be performed analogously.

Additional information can be found in the superordinate service document.

The safety information in the superordinate service document must be observed.

Courtesy of MERCEDES-BENZ USA

1. Mark separation points on B-pillar paneling (1) and separate (areas A, B, C).

   Do not make the cuts too deep.

   Otherwise the components below can be damaged and weakened.

   Dimensions: 

   a = approx. 30 mm

   b = approx. 20 mm

   c₁ = approx. 15 mm

   c₂ = approx. 190 mm

   c₃ = approx. 155 mm

2. Expose spot welds on A-pillar paneling (1) and cut out (areas D).

   Joint spot welds on panels that are one behind the other must be cut out through two panel thicknesses.

   Courtesy of MERCEDES-BENZ USA

3. Heat B-pillar paneling (1) in crosshatched areas.

   Cross-hatched areas are bonded with adhesive.

4. Remove B-pillar paneling (1).

   Courtesy of MERCEDES-BENZ USA

5. Model 290

   except code 397 (Carbon roof)

   except code 414 (Sliding sunroof)

   except code 416 (Panoramic sunroof)

   Expose spot welds on roof frame mounting support (5) and cut off (area E).

6. Model 290

   except code 397 (Carbon roof)

   except code 414 (Sliding sunroof)

   except code 416 (Panoramic sunroof)

   Remove roof frame console (5).

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

7. Mark separating points on B-pillar reinforcement (2) and separate (areas F, G).

   Do not make the cuts too deep.

   Otherwise the components below can be damaged and weakened.

   Dimensions: 

   f = approx. 55 mm

   g = approx. 55 mm

8. Mark separating points on inner roof frame (4) and separate (areas J, K).

   Do not make the cuts too deep.

   Otherwise the components below can be damaged and weakened.

   Dimensions: 

   j = approx. 160 mm

   k = approx. 190 mm

9. Expose inert gas welds on the inner roof frame (4) and separate (area H).

   Courtesy of MERCEDES-BENZ USA

10. Expose spot welds on the inner roof frame (4) and cut out (areas L).

    Courtesy of MERCEDES-BENZ USA

11. Heat inner roof frame (4) in the cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

12. Remove inner roof frame (4).

    Courtesy of MERCEDES-BENZ USA

13. Expose spot welds on B-pillar reinforcement (2) and cut out (areas M).

    Courtesy of MERCEDES-BENZ USA

14. Expose spot welds on B-pillar reinforcement (2) and cut out (areas I).

    Joint spot welds on panels that are one behind the other must be cut out through two panel thicknesses.

    Courtesy of MERCEDES-BENZ USA

15. Heat B-pillar reinforcement (2) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

    Courtesy of MERCEDES-BENZ USA

16. Heat B-pillar reinforcement (2) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

17. Remove B-pillar reinforcement (2).

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

18. Sand down mating surfaces to bare metal in cross-hatched areas.

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

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

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

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces.