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Home >> Mercedes Benz >> 2021 >> GT 43 AMG >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Side Wall - 290 Chassis >> Side Wall Body Repair >> B-Pillar Install And Weld In - Ar63.20-P-1350-06FRX

B-Pillar Install And Weld In - Ar63.20-P-1350-06FRX

Model 290 except code 397 (Carbon roof) except code 416 (Panoramic sunroof) 

Fig 1: Side Portal Frame (210 589 17 23 00)
G16555226Courtesy of MERCEDES-BENZ USA

IMPORTANT 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.

  1. Install B-pillar reinforcement (2) SPECIAL TOOL with the side portal frame and portal straightener and fit.

    IMPORTANT Use spacers.

  2. Remove B-pillar reinforcement (2) and portal straightener.
  3. Apply sealant to foam parts in crosshatched areas.
    G16555227Courtesy of MERCEDES-BENZ USA
    G16555228Courtesy of MERCEDES-BENZ USA
  4. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

  5. Install B-pillar reinforcement (2) with the SPECIAL TOOL side portal frame and portal straightener and fix in place.

    IMPORTANT Use spacers.

  6. B-pillar reinforcement (2) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas A).
    G16555229Courtesy of MERCEDES-BENZ USA
  7. B-pillar reinforcement (2) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas B).
  8. Remove SPECIAL TOOL side portal frame and portal straightener.
  9. B-pillar reinforcement (2) SHIELDED GAS SEAM WELD (areas C).

    IMPORTANT Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion.

  10. Face grind inert gas welds on B Pillar reinforcement (2) (areas C).

    IMPORTANT Grind down flat on contact surfaces on B-pillar paneling and beaded area only.

  11. Clean weld joints no longer accessible after installing A-pillar reinforcement and coat with zinc dust paint.
    G16555230Courtesy of MERCEDES-BENZ USA
  12. Install inner roof frame (4), fit, and fix in place.
  13. Drill rivet holes in inner roof frame (4) from outside with ø 6.7 mm and countersink (areas D1 , I).
  14. Drill rivet holes in inner roof frame (4) with ø 6.7 mm (areas D2 , E, F, G, H).

    IMPORTANT Drill rivet holes in inner roof frame (4) from outside (areas D2 , F, H).

    IMPORTANT The rivet holes must be drilled offset by approx. 5 mm toward the inside in relation to the standard resistance points in the direction of the vehicle center (areas E, G).

    IMPORTANT The rivet hole must be drilled offset by approx. 20 mm relative to the series resistance point toward the rear against the direction of travel (area H).

  15. Remove inner roof frame (4).
  16. Deburr rivet holes on the inner roof frame (4) and the body on both sides.
  17. Remove drilling chips.
    G16555231Courtesy of MERCEDES-BENZ USA
  18. Coat insides of riveted joints with zinc dust paint (areas D1 , D2 , E, F).
  19. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

    G16555232Courtesy of MERCEDES-BENZ USA
  20. Install inner roof frame (4) and fix in place.
  21. Rivet inner roof frame (4) form outside with countersunk-head rivets ø 6.4x15.5 (areas J1 , O).
  22. Rivet inner roof frame (4) with rivets ø 6.5x14.5 (areas J2 , K, L, M, N).

    IMPORTANT Do not connect inner roof frame (4) with roof paneling and side wall paneling (areas K, M).

    IMPORTANT Rivet inner roof frame (4) from outside (areas J2 , L, N).

  23. Seal holes in roof paneling with sealant after riveting of inner roof frame (4) from outside (areas K, M).
  24. Inner roof frame (4) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas P).
  25. Inner roof frame (4) SHIELDED GAS SEAM WELD (areas Q).

    IMPORTANT Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion.

  26. Face grind inert gas welds on inner roof frame (4) in the beaded areas (areas Q).
    G16555233Courtesy of MERCEDES-BENZ USA
  27. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Install roof frame console (5), fit, and fix in place.

  28. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Mark positions of the rivet holes on the roof frame console (5).

    IMPORTANTDimensions: 

    r1 = 35 mm

    r1 = 18 mm

    s1 = 45 mm

    s2 = 6 mm

    G16555234Courtesy of MERCEDES-BENZ USA
  29. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Drill rivet holes in roof frame mounting support (5) with ø 6.7 mm (areas R, S, T).

    IMPORTANT Drill rivet holes at positions marked previously (areas R, S).

  30. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Drill rivet holes in roof frame mounting support (5) from outside with ø 6.7 mm and countersink (areas U).

  31. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Remove roof frame console (5).

  32. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Deburr rivet holes on roof frame console (5) and body on both sides.

    G16555235Courtesy of MERCEDES-BENZ USA
  33. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Remove drilling chips.

  34. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Coat insides of riveted joints with zinc dust paint.

  35. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Rivet roof frame mounting support (5) with rivets ø 6.5x12.5 (areas V1 ).

  36. Model 290

    except code 397 (Carbon roof)

    except code 414 (Sliding sunroof)

    except code 416 (Panoramic sunroof)

    Rivet roof frame mounting support (5) from outside with counter sunk head rivets ø 6.4x17.0 (areas V2 ).

    G16555236Courtesy of MERCEDES-BENZ USA
  37. Install B-pillar paneling (1) and longitudinal member paneling (3), fit and fix in place.
  38. Drill rivet holes on B-pillar paneling (1) and longitudinal member paneling (3) with 6.7 mm bit (area W).
  39. Remove B-pillar paneling (1) and longitudinal member paneling (3).
  40. Deburr rivet holes on B-pillar paneling (1), longitudinal member paneling (3) and body on both sides.
  41. Remove drilling chips.
  42. Coat insides of riveted joints with zinc dust paint.
    G16555237Courtesy of MERCEDES-BENZ USA
  43. Apply sealant to the foam parts in the cross-hatched areas (area W1 ).
  44. Apply 2-component adhesive to the body in the cross-hatched areas (areas W2 ).

    IMPORTANT Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

    G16555238Courtesy of MERCEDES-BENZ USA
  45. Install B-pillar paneling (1) and longitudinal member paneling (3) and fix in place.
  46. Rivet B-pillar trim (1) and longitudinal member paneling (3) with rivets ø 6.4x12 (area X).
  47. B-pillar paneling (1) and longitudinal member paneling (3) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas Y).
  48. B-pillar paneling (1) and longitudinal member paneling (3) SHIELDED GAS SEAM WELD (areas Z).

    IMPORTANT Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion.

  49. Sand inert gas welds down flat (areas Z).
  50. Solder surfaces on B-pillar paneling (1) and longitudinal member paneling (3) with body solder and smooth (areas Z).

    IMPORTANT A basic body filler can also be used as an alternative to the restoration of the surfaces with body solder.

    G16555239Courtesy of MERCEDES-BENZ USA
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