LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2016 >> C350e >> Repair and Diagnosis >> Collision >> General Collision Information >> Rear Wall & Rear End >> Testing & Repair >> Install Rear Longitudinal Member - Ar64.20-P-1200-24LW

Install Rear Longitudinal Member - Ar64.20-P-1200-24LW

Model 205.0/1/2/3 

IMPORTANT The following operation steps are shown on the left side of the vehicle on MODEL 205.0 and must be performed analogously on the right side in the event of damage.

G13023422Courtesy of MERCEDES-BENZ USA
  1. Install rear longitudinal member (1) with straightening tool, fit and fix in place.

    IMPORTANT Helper required.

  2. Drill rivet holes on rear longitudinal member (1) with Ø 6.7 mm (areas A and B1 ).

    IMPORTANT Drill rivet holes through present holes in body (area B1 ).

  3. Model 205.3

    Drill rivet holes on rear longitudinal member (1) with Ø 6.7 mm (areas B2 ).

    G13023423Courtesy of MERCEDES-BENZ USA
  4. Model 205.0/1/3

    Drill rivet holes on rear longitudinal member (1) with Ø 6.7 mm through present holes in body (areas D).

    G13023424Courtesy of MERCEDES-BENZ USA
  5. Drill rivet holes on rear longitudinal member (1) with Ø 6.7 mm through present holes in body (area C).

    IMPORTANT It is necessary to drill through the inner panel on the longitudinal member because the hollow space is not sufficient for riveting.

  6. Remove rear longitudinal member (1).
  7. Deburr rivet holes on longitudinal member (1) and body on both sides.
  8. Remove drilling chips.

    IMPORTANT Helper required.

    G13023425Courtesy of MERCEDES-BENZ USA
  9. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Apply 2-component adhesive to insides (areas E). When installing the rear longitudinal member, the 2-component adhesive is wiped off partially in these areas. This loss can be compensated by applying several layers of adhesive. Apply 2-component adhesive to new part.

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

    G13023426Courtesy of MERCEDES-BENZ USA
  10. Model 205.0/1/3

    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.

    G13023427Courtesy of MERCEDES-BENZ USA
  11. Install rear longitudinal member (1) with straightening tool and fix in place.

    IMPORTANT Helper required.

  12. Model 205.0/1/3

    Rivet rear longitudinal member (1) with Ø 6.5x14.5 rivet (areas G1 , G2 and G3 ).

    G13023428Courtesy of MERCEDES-BENZ USA
  13. Rivet rear longitudinal member (1) with Ø 6.5x12.5 rivet (areas H1 ; H2 and H3 ).
    1. 14.1 Model 205.3

      Rivet rear longitudinal member (1 with Ø 6.4x12 rivet (areas J4 ).

      IMPORTANT Replace spot welds shown in figure with rivet (areas J4 ).

    2. 14.2 Model 205.0/1/2

      Rear longitudinal member (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas J4 ).

  15. Rear longitudinal member (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (area J1 ).
  16. Drill body with Ø 7 mm bit to depth of one layer of sheet metal (area J2 ).
  17. Drill rear longitudinal member (1) and body with Ø 7 mm bit to depth of two layers of sheet metal (area J3 ).
  18. Rear longitudinal member (1) SHIELDED GAS PLUG WELD (areas J2 and J3 ).
    G13023429Courtesy of MERCEDES-BENZ USA
  19. Rivet rear longitudinal member (1) with Ø 6.5x12.5 rivet (area I1 ).
  20. Rear longitudinal member (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (area I2 ).
    G13023430Courtesy of MERCEDES-BENZ USA
  21. Rear longitudinal member (1) AC OFF BUTTONSHIELDED GAS STITCH WELD (area K).
  22. Install lower crossmember (2), fit and fix in place.
  23. Drill rivet holes on lower crossmember (2) with Ø 6.7 mm bit (areas L and M).

    IMPORTANT Drill rivet holes through present holes in body (area M).

  24. Remove lower crossmember (2).
  25. Deburr rivet holes on lower rear crossmember (2) and body on both sides.
  26. Remove drilling chips.
  27. Coat insides of riveted joints with zinc dust paint.

    NOTES Do not coat bonding surfaces with zinc dust paint (area M).

    Otherwise adhesion problems may occur.

    G13023431Courtesy of MERCEDES-BENZ USA
  28. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Apply 2-component adhesive to inside (area N).

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

    G13023432Courtesy of MERCEDES-BENZ USA
  29. Install lower crossmember (2) and fix in place.
  30. Rivet lower crossmember (2) with Ø 6.4x12 rivet (areas O1 ).
  31. Rivet lower crossmember (2) with Ø 6.5x12.5 rivet (areas O2 ).
  32. Rivet lower crossmember (2) with Ø 6.5x14.5 (area O3 ).
  33. Lower crossmember (2) SHIELDED GAS SEAM WELD (area P).

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

    G13023433Courtesy of MERCEDES-BENZ USA
    G13023434Courtesy of MERCEDES-BENZ USA
  34. Transfer positions of present holes in body with drill hole finder to upper crossmember (3) (areas R).
  35. Install upper crossmember (3), fit and fix in place.
  36. Drill rivet holes on upper crossmember (3) with Ø 6.7 mm (areas Q and R).
  37. Remove upper crossmember (3).
  38. Deburr rivet holes on upper crossmember (3) and body on both sides.
  39. Remove drilling chips.
    G13023435Courtesy of MERCEDES-BENZ USA
  40. 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.

    G13023436Courtesy of MERCEDES-BENZ USA
  41. Install upper crossmember (3) and fix in place.
  42. Rivet upper crossmember (3) with Ø 6.5x14.5 rivet (areas S).
  43. Upper crossmember (3) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas T).
  44. Install end plate (4), fit and fix in place.
  45. Drill rivet holes on end plate (4) with Ø 6.7 mm bit (areas T1 and T2 ).

    IMPORTANT Drill rivet holes through present holes in striking plate (4) (areas T1 ).

    The missing hole in the area of the defined hole in the end plate (4) can only be drilled after installing the rear axle crossmember.

  46. Remove end plate (4).
  47. Deburr rivet holes on end plate (4) and body on both sides.
  48. Remove drilling chips.
    G13023437Courtesy of MERCEDES-BENZ USA
    G13023438Courtesy of MERCEDES-BENZ USA
  49. 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.

    G13023439Courtesy of MERCEDES-BENZ USA
  50. Install end plate (4) and fix in place.
  51. Rivet end plate (4) with Ø 6.5x12.5 rivet (areas U1 ).
  52. Rivet end plate (4) with Ø 6.5x14.5 (areas U2 ).
  53. End plate (4) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas V).
  54. End plate (4) SHIELDED GAS SEAM WELD (area W).
scientia non olet · About LEMON Manuals