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Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Rear Wall And Rear End - 167 Chassis >> Rear Wall And Rear End Body Repair >> Rear Shock-Absorber Strut Tower Installation - Ar64.20-P-1160-03MEX

Rear Shock-Absorber Strut Tower Installation - Ar64.20-P-1160-03MEX

Model 167.9 

IMPORTANT The following operation steps are shown on the left side of the vehicle. In case of damage on the right side of the vehicle, these steps must be performed analogously.

The higher-level service document as well as the safety information in the service document must be observed.

  1. Transfer positions of existing holes in body to suspension shock-absorber strut tower (1) with drill hole finder (areas A1 ).
  2. Install shock-absorber strut tower (1), fit with the straightener, and fix in place.
  3. Drill rivet holes with a diameter of 6.7 mm through the existing holes in the body (areas B1 , B2 ).
  4. Remove straightener and remove shock-absorber strut tower (1).
  5. Drill rivet holes in the positions that were transferred to the shock-absorber strut tower (1) with the drill hole finder with a diameter of.6, 7 mm (areas A1 ).
  6. Countersink rivet holes on the shock-absorber strut tower (1) (area B2 ).
  7. Deburr rivet holes on suspension strut tower (1) and body on both sides.
  8. Remove drilling chips.
    G14791709Courtesy of MERCEDES-BENZ USA
  9. Apply 2-component adhesive to body in cross-hatched areas.

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

    G14791710Courtesy of MERCEDES-BENZ USA
  10. Install suspension strut tower (1) and fix in place.
  11. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.5 x 12.5 (areas D).
  12. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.5 x 14.5 (areas E).
  13. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.4 M6 (area F1 ).
  14. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.4 (areas G).
  15. Rivet shock-absorber strut tower (1) with countersunk-head blind rivets with a diameter of 6.4 x 15.5 (area F2 ).
    G14791711Courtesy of MERCEDES-BENZ USA
  16. Install inner rear longitudinal member (4), fit, and fix in place.
  17. Mark positions for rivet holes on the inner rear longitudinal member (4).

    IMPORTANTDimensions: 

    1. approx. 6 mm
    2. approx. 38 mm
    3. approx. 17 mm
    4. approx. 20 mm
    5. approx. 9 mm
    G14791712Courtesy of MERCEDES-BENZ USA
  18. Drill rivet holes on the inner rear longitudinal member (4) at the previously marked positions with a diameter of 6.7 mm (area H).
  19. Drill rivet holes in the inner rear longitudinal member (4) with a diameter of 6.7 mm (area I).
  20. Remove inner rear longitudinal member (4).
  21. Deburr rivet holes on inner rear longitudinal member (4) and body on both sides.
  22. Remove drilling chips.
    G14791713Courtesy of MERCEDES-BENZ USA
  23. Apply 2-component adhesive to body in cross-hatched areas.

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

    G14791714Courtesy of MERCEDES-BENZ USA
  24. Install inner rear longitudinal member (4) and fix in place.
  25. Rivet rear inner longitudinal member (4) with rivets with a diameter of 6.5 x 14.5 (areas J, K).
  26. Inner rear longitudinal member (4) SHIELDED GAS SEAM WELD (areas L).

    IMPORTANT Perform inert gas welding at intervals and allow to cool down in between.

    This reduces heat distortion.

    G14791715Courtesy of MERCEDES-BENZ USA
  27. Install wheel well reinforcement (3), fit, and fix in place.
  28. Drill rivet holes on wheel well reinforcement (3) with a diameter of 6.7 mm (areas O).
  29. Remove wheel well reinforcement (3).
  30. Deburr rivet holes on the wheel well reinforcement (3) and on the body on both sides.
  31. Remove drilling chips.
  32. Coat insides of riveted joints with zinc dust paint.
    G14791716Courtesy of MERCEDES-BENZ USA
  33. Apply 2-component adhesive to body in cross-hatched area.

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

    G14791717Courtesy of MERCEDES-BENZ USA
  34. Install wheel well reinforcement (3) and fix in place.
  35. Rivet wheel well reinforcement (3) with rivets with a diameter of 6.4 x 12 (areas P).
  36. Rivet wheel well reinforcement (3) with rivets with a diameter of 6.5 x 12.5 (area Q).
    G14791718Courtesy of MERCEDES-BENZ USA
  37. Install load compartment floor crossmember (2), fit, and fix in place.
  38. Drill rivet holes in the load compartment floor crossmember (2) with a diameter of 6.7 mm (areas S, T).
  39. Remove load compartment floor crossmember (2).
  40. Deburr rivet holes on load compartment floor crossmember (2) and the body on both sides.
  41. Remove drilling chips.
  42. Coat insides of riveted joints with zinc dust paint.

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

    Otherwise adhesion problems may occur.

    G14791719Courtesy of MERCEDES-BENZ USA

    Shown on removed roof paneling 

  43. Apply 2-component adhesive to body in cross-hatched areas.

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

    G14791720Courtesy of MERCEDES-BENZ USA
  44. Install load compartment floor crossmember (2) and fix in place.
  45. Rivet load compartment floor crossmember (2) with rivets with a diameter of 6.5 x 14.5 (areas U).
  46. Rivet load compartment floor crossmember (2) with rivets with a diameter of 6.4 x 12 (areas V).
    G14791721Courtesy of MERCEDES-BENZ USA
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