Wheel Well With Front Longitudinal Member Removal - Ar62.20-S-1856-01E

Model 447 with engine 254, 274, 622, 651, 654, 780.701 

except code ZU7 (National version for Canada) 

except code ZU8 (National version for USA) 

Model 448 

Courtesy of MERCEDES-BENZ USA

1. Mark separation point and cut (area A).
2. Remove damaged sections from vehicle floor (4), front kick panel front section (5), longitudinal member (6) and longitudinal member reinforcement (7).

   Courtesy of MERCEDES-BENZ USA

3. Scribe separating point and cut (area B).

   Do not cut too deeply.

   Otherwise the components below can be damaged and weakened.

4. Expose spot welds on remaining front vehicle floor (8) and remaining front kick panel front section (9) and cut out (areas C to I).

   Cut out spot welds (arrows) through two panel thicknesses.

5. Heat remaining front vehicle floor (8) in crosshatched areas.

   Crosshatched areas are bonded.

6. Remove remaining front vehicle floor (8).

   Courtesy of MERCEDES-BENZ USA

7. Scribe separating point and cut (area J).
8. Expose spot welds on front kick panel rear section (10) and crossmember (11) and cut out (areas K and L).
9. Expose MAG weld seam on crossmember (11) and cut (area M).
10. Remove front kick panel rear section (10), crossmember (11) and remaining front kick panel front section (9).

    Courtesy of MERCEDES-BENZ USA

11. Expose spot welds on remaining inner longitudinal member (13), remaining outer longitudinal member (14) and remaining longitudinal member reinforcement (15) and cut out (areas N to S).

    Cut out spot welds (arrows) through two panel thicknesses.

12. Remove remaining inner longitudinal member (13), remaining outer longitudinal member (14) and remaining longitudinal member reinforcement (15).

    Courtesy of MERCEDES-BENZ USA

13. Expose spot welds on remaining wheel well with longitudinal member (16) and cut out (areas T to Z and AA).

    Cut out spot welds (arrows) through two panel thicknesses.

14. Expose spot welds on remaining wheel well with longitudinal member (16) and cut out (areas AB and AC).

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

15. Expose spot welds on remaining wheel well with longitudinal member (16) and cut out (areas AD to AG).
16. Heat remaining wheel well with longitudinal member (16) in crosshatched areas (areas AH and AI).

    Crosshatched areas are bonded.

17. Model 447.### ## as of 118170, model 448

    Heat remaining section of wheel well with longitudinal member (16) in crosshatched area (area AH₁ ).

    Crosshatched area is bonded.

18. Remove remaining wheel well with longitudinal member (16).

    Courtesy of MERCEDES-BENZ USA

19. Drill holes for MAG welding (areas AJ to AM).

    Courtesy of MERCEDES-BENZ USA

    Courtesy of MERCEDES-BENZ USA

20. Grind mating surfaces down to bare metal in cross-hatched areas and around holes (areas AN and AO).
21. Remove shavings and drill chips.

    Courtesy of MERCEDES-BENZ USA

22. Grind mating surfaces down to bare metal in cross-hatched areas and around holes (area AP).
23. Remove shavings and drill chips.

    Courtesy of MERCEDES-BENZ USA

24. Grind mating surfaces down to bare metal in cross-hatched areas.
25. Remove shavings and drill chips.
26. Grind mating surfaces down to bare metal in cross-hatched areas.
27. Remove shavings and drill chips.

    Courtesy of MERCEDES-BENZ USA