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Home >> Mercedes Benz >> 2020 >> CLS53 AMG >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Rear Wall & Rear End >> Testing & Repair >> Install Rear Shock-Absorber Strut Tower - Ar64.20-P-1160-03FR

Install Rear Shock-Absorber Strut Tower - Ar64.20-P-1160-03FR

Model 257 

IMPORTANT The next steps are shown partially on the left side of the vehicle. In the event of damage on the right side of the vehicle, these steps must be carried out in the same way on the right side of the vehicle. The main service document and the safety notes in the service document must be observed.

G13774236Courtesy of MERCEDES-BENZ USA
  1. Mark position for drill holes on suspension strut tower (1).

    IMPORTANTDimensions: 

    d1 = 22 mm (only on left side of the vehicle)

    d2 2 = 9 mm (only on left side of the vehicle)

    e1 = 17 mm

    e2 = 12 mm

    G13774237Courtesy of MERCEDES-BENZ USA
  2. Transfer position of present holes in body to suspension strut tower (1) with drill hole finder (areas A and A).
  3. Install shock-absorber strut tower (1), fit with the straightener, and fix in place.
  4. Drill rivet holes on in previously transferred position on suspension strut tower (1) (areas B).
  5. Drill rivet holes through present rivet holes in body (areas C).
  6. Remove straightener and remove shock-absorber strut tower (1).
  7. Drill rivet holes on the positions transferred on the shock-absorber strut tower (1) with a drill hole detector with 6.7 mm bit (areas A and A,).
  8. Deburr rivet holes on suspension strut tower (1) and body on both sides.
  9. Remove drilling chips.
    G13774225Courtesy of MERCEDES-BENZ USA
  10. 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.

    G13774239Courtesy of MERCEDES-BENZ USA

    Riveting areas on left side of vehicle 

  11. Install shock-absorber strut tower (1) with the straightener and fix in place.
  12. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.5 x 12.5 (areas D).

    Left side of vehicle.

  13. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.5 x 14.5 (areas E).

    Left side of vehicle.

  14. Rivet shock-absorber strut tower (1) with rivet with a diameter of 6.4 M6 (area F).

    Left side of vehicle.

  15. Rivet Shock-absorber strut tower (1) with rivets with a diameter of 6.4 (areas G).

    Left side of vehicle.

    G13774240Courtesy of MERCEDES-BENZ USA

    Riveted areas on right side of vehicle 

  16. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.5 x 12.5 (areas D).

    Right side of vehicle.

  17. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.5 x 14.5 (areas E).

    Right side of vehicle.

  18. Rivet shock-absorber strut tower (1) with rivet with a diameter of 6.4 M6 (area F).

    Right side of vehicle.

  19. Rivet shock-absorber strut tower (1) with rivets with a diameter of 6.4 (areas G).

    Right side of vehicle.

    G14543994Courtesy of MERCEDES-BENZ USA
  20. Transfer positions of existing holes in body to rear-end crossmember (3) with drill hole detectors (areas J).
  21. Install rear-end crossmember (3), fit and fix in place.
  22. Drill rivet holes on rear end crossmember (3) with 6.7 mm bit (areas H).
  23. Remove rear axle crossmember (3).
  24. Drill rivet holes on the positions transferred on the rear-end crossmember (3) with the drill hole detectors with 6.7 mm bit (areas J).
  25. Deburr rivet holes on rear-end crossmember (3) and body on both sides.
  26. Remove drilling chips.
    G13774242Courtesy of MERCEDES-BENZ USA
  27. 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.

    G14543996Courtesy of MERCEDES-BENZ USA
  28. Install rear-end crossmember (3) and fix in place.
  29. Rivet rear end crossmember (3) with rivets with a diameter of 6.5 x 12.5 (areas K).
  30. Rivet rear end crossmember (3) with rivets with a diameter of 6.5 x 14.5 (areas L).