Rear End Floor Reinforcement Installation - Ar64.20-P-1141-05FRX

Model 290 

The following operation steps 1 to 9 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.

Additional information can be found in the superordinate service document.

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

1. Transfer positions of existing holes in body to rear-end floor reinforcement (1) with drill hole finder (areas A).
2. Drill rivet holes with a diameter of 6.7 mm at previously transferred positions on rear-end floor reinforcement (1) (areas A).
3. Install rear-end floor reinforcement (1), fit and fix in place.
4. Drill rivet holes through present rivet holes in body (areas B).
5. Remove rear-end floor reinforcement (1).
6. Deburr rivet holes on rear-end floor reinforcement (1) and on body on both sides.
7. Remove drilling chips.

   Courtesy of MERCEDES-BENZ USA

8. Apply 2-component adhesive to body in crosshatched areas.

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

   Courtesy of MERCEDES-BENZ USA

9. Install rear-end floor reinforcement (1) and fix in place.
10. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.5x12.5 (areas C).

    Left side of vehicle.

11. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.4 (areas D, F).

    Left side of vehicle.

12. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.4 M6 (areas E).

    Left side of vehicle.

    Riveting areas on left side of vehicle 

    Courtesy of MERCEDES-BENZ USA

13. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.5x12.5 (areas C).

    Right side of vehicle.

14. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.4 (areas D, F).

    Right side of vehicle.

15. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.4 M6 (area E).

    Right side of vehicle.

16. Rivet rear-end floor reinforcement (1) with rivets with a diameter of 6.5x14.5 (areas G, I).

    Right side of vehicle.

    Riveted areas on right side of vehicle 

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

17. Transfer positions of existing holes in body to rear-end crossmember (3) with drill hole detector. (areas J).
18. Install rear-end crossmember (3), fit and fix in place.
19. Drill rivet holes with a diameter of 6.7 mm at previously transferred positions on rear-end crossmember (areas J).
20. Drill rivet holes with a diameter of 6.7 mm in rear-end crossmember (3) (areas H).
21. Remove rear axle crossmember (3).
22. Deburr rivet holes on rear-end crossmember (3) and body on both sides.
23. Remove drilling chips.

    Courtesy of MERCEDES-BENZ USA

24. Apply 2-component adhesive to body in crosshatched areas.

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

    Courtesy of MERCEDES-BENZ USA

25. Install rear-end crossmember (3) and fix in place.
26. Rivet rear end crossmember (3) with rivets with a diameter of 6.4x12 (areas K).
27. Rivet rear end crossmember (3) with rivets with a diameter of 6.5x14.5 (areas L).