Remove Rear Floor - AR64.20-P-1300-01FR

Model 257 

Observe the higher-level service document as well as the safety information in the service document.

1. Expose spot welds on rear-end floor (1) and cut out (area A).
2. Expose impact spikes on rear-end floor (1) and cut out (area B).
3. Bend open sheet metal lugs (arrow).

   Courtesy of MERCEDES-BENZ USA

4. Expose spot welds on rear-end floor (1) and cut out (area C).
5. Expose impact spikes on rear-end floor (1) and cut out (area D).
6. Expose spot welds on rear-end floor (1) and drill with Ø 6.5 mm bit (E and F areas).

   Drill out spot welds from below (area E).

7. Bend open sheet metal lugs (arrow).

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8. Expose spot welds on rear-end floor (1) and cut out (areas G).

   Joint spot welds on panels that are one behind the other must be cut out through two panel thicknesses.

9. Expose impact spikes on rear-end floor (1) and cut out (area H).

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10. Expose spot welds on rear-end floor (1) and cut out (areas J).

    Joint spot welds on panels that are one behind the other must be cut out through two panel thicknesses.

11. Expose impact spikes on rear-end floor (1) and cut out (area K).

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

12. Expose spot welds on rear-end floor (1) and cut out (areas L).

    Joint spot welds on panels that are one behind the other must be cut out through two panel thicknesses.

    Courtesy of MERCEDES-BENZ USA

13. Expose spot welds on rear-end floor (1) and cut out (areas M).

    The operation step is shown on the left side of the vehicle and must be performed in the same way on the right side of the vehicle.

    Joint spot welds on panels that are one behind the other must be cut out through two panel thicknesses.

14. Heat rear-end floor (1) in cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

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15. Heat rear-end floor (1) in cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

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16. Heat rear-end floor (1) in cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

    Courtesy of MERCEDES-BENZ USA

17. Heat rear-end floor (1) in cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

18. Heat rear-end floor (1) in cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

19. Remove rear-end floor (1) downward toward rear.

    Helper required.

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20. Sand down mating surfaces to bare metal in cross-hatched areas.
21. Remove grinding dust and drill chips.

    Observe pretreatment of bonding surfaces.

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22. Sand down mating surfaces to bare metal in cross-hatched areas.

    Sand down inside of mating surfaces to bare metal (areas S).

    Sand down spot weld flanges to bare metal on both sides.

23. Remove grinding dust and drill chips.

    Observe pretreatment of bonding surfaces.

    Courtesy of MERCEDES-BENZ USA

24. Sand down mating surfaces to bare metal in cross-hatched areas.

    Sand down inside of mating surfaces to bare metal (areas U).

    Sand down spot weld flanges to bare metal on both sides.

25. Remove grinding dust and drill chips.

    Observe pretreatment of bonding surfaces.