Partially Remove Main Floor Panel - Ar63.40-P-1180-24LW

Model 205 

Model 253 

Model 293 

The next steps are shown on the left side of the vehicle on model 205.0. In case of damage on the right side of the vehicle, these steps must be performed analogously.

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

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1. Expose spot welds on connecting carrier (2) (areas A and B).
2. Cut out spot welds on connecting carrier (2) (areas A and B).

   Cut out spot welds through two sheet metal thicknesses (area B).

3. Expose spot welds on connecting carrier (2) (area C).
4. Drill through spot welds on connecting carrier (2) with Ø 6.5 mm bit (area C).
5. Model 205.0/2/3/4, 253, 293 with code 494 (US version) Expose inert gas welds on connecting carrier (2) (area Q).
6. Model 205.0/2/3/4, 253, 293 with code 494 (US version) Cut inert gas welds on connecting carrier (2) (area Q).
7. Model 205.0/2/3/4, 253, 293 with code 494 (US version) Expose spot welds on connecting carrier (2) (areas R and S).
8. Model 205.0/2/3/4, 253, 293 with code 494 (US version) Cut out spot welds on connecting carrier (2) (areas R and S).

   Cut out weld spots through two sheet metal thicknesses (area S).

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

9. Expose spot welds on lower longitudinal member (6) (areas P).
10. Drill through spot welds on lower longitudinal member (6) with Ø 6.5 mm bit (areas P).
11. Heat connecting carrier (2) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

12. Remove connecting carrier (2).

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

13. Model 253, 293

    Expose spot welds on front front seat crossmember (3) and on rear front seat crossmember (4) (areas T).

14. Model 253, 293

    Cut out spot welds on front front seat crossmember (3) and on rear front seat crossmember (4) (areas T).

15. Model 205.4

    Expose inert gas welds on reinforcement (7) (areas Z₂ ).

16. Model 205.4

    Cut inert gas welds on reinforcement (7) (areas Z₂ ).

17. Model 205.4

    Remove reinforcement (7).

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

18. Model 205

    Expose inert gas weld on rear front seat crossmember (4) (area D).

19. Model 205

    Cut inert gas weld on rear front seat crossmember (4) (area D).

20. Expose spot welds on front front seat crossmember (3), on rear front seat crossmember (4) and on reinforcement (5) (areas E₁ E₁ F₁ ).

    Model 253, 293

    Cut out spot welds from below (areas E₁ and F₁ ).

21. Expose spot welds on front front seat crossmember (3), on rear front seat crossmember (4) and on reinforcement (5) (areas G and G₁ ).
22. Drill through spot welds on front front seat crossmember (3), on rear front seat crossmember (4) and on reinforcement (5) with 0 6.5 mm bit (areas G and G₁ ).
23. Cut out spot welds on front front seat crossmember (3), on rear front seat crossmember (4) and on reinforcement (5) (areas E, E₁ F₁ ).

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24. Expose spot welds on front front seat crossmember (3), on rear front seat crossmember (4) and on reinforcement (5) (areas H and I).
25. Cut out spot welds on front front seat crossmember (3), on rear front seat crossmember (4) and reinforcement (5) (areas H and I).

    Cut out spot welds through two panel thicknesses (areas I).

26. Model 205

    Expose spot welds on reinforcement (5) (area H₁ ).

27. Model 205

    Cut out spot welds on reinforcement (5) (area H₁ ).

28. Model 253, 293

    Heat reinforcement (5) in area of rear-end floor.

    The connecting flange to the rear-end floor is bonded.

29. Remove front front seat crossmember (3) and rear front seat crossmember (4).
30. Model 205

    Remove reinforcement (5).

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31. Expose spot welds on main floor (1) (areas J₁ and J₃ ).
32. Cut out spot welds on main floor (1) (areas J₁ and J₃ ).
33. Expose spot welds on main floor (1) (area J₂ ).
34. Drill through spot welds on main floor (1) with Ø 6.5 mm bit (area J₂ ).

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35. Expose spot welds on lower longitudinal member (6) (areas K).
36. Cut out spot welds on lower longitudinal member (6) (areas K).
37. Heat bottom longitudinal member (6) in crosshatched areas.

    Cross-hatched areas are bonded with adhesive.

38. Remove bottom longitudinal member (6).

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39. Mark separating point on main floor (1) (area L).

    Observe dimensions (I₁ , I₂ ).

40. Cut separating point on main floor (1) (area L).

    Do not cut too deeply.

    Otherwise the components below can be damaged and weakened.

41. Heat main floor panel (1) in cross-hatched areas.

    Cross-hatched areas are bonded with adhesive.

42. Model 253, 293

    Heat main floor panel (1) in crosshatched areas.

    Cross-hatched area is bonded.

43. Remove main floor (1).

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    Courtesy of MERCEDES-BENZ USA

44. Grind mating surfaces down to bare metal in crosshatched areas.
45. Remove grinding dust and drill chips.

    Observe pretreatment of bonding surfaces (area Mi).

    Model 253, 293

    Observe pretreatment of bonding surfaces (area M?).

46. Model 205.4

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

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    Courtesy of MERCEDES-BENZ USA

47. Grind mating surfaces down to bare metal in crosshatched areas.
48. Remove grinding dust and drill chips.

    Observe pretreatment of bonding surfaces (area N).