Install and weld in wheelhouse - AR62.20-P-1200-17SX

The following operation steps are shown on model 221 on the left side of the vehicle and must be performed analogously on the right side in the event of damage.

1. Install front wheelhouse (1), fasten with straightening tool (2, 3 and 4) and fasten with clamping pliers and C-clamps.
   Fig 1: Identifying Front Wheelhouse And Straightening Tool

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   Fig 2: Identifying Rivet Holes In Front Wheelhouse Areas (A, B, C, D And E)

   Courtesy of MERCEDES-BENZ USA
2. Drill dia. 6.5 mm rivet holes in front wheelhouse (1) (areas A, B, C, D and E).
   Fig 3: Identifying Rivet Holes In Front Wheelhouse Areas (F, G, H, I And J)

   Courtesy of MERCEDES-BENZ USA
3. Drill dia. 6.5 mm rivet holes in front wheelhouse (1) (areas F, G, H, I and J).
4. Drill dia. 6.5 mm rivet holes in front wheelhouse (1) (area K).
   Fig 4: Identifying Rivet Holes In Front Wheelhouse Area (K)

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   Fig 5: Identifying Rivet Holes In Front Wheelhouse Areas (L, M And N)

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5. Drill dia. 6.5 mm rivet holes in front wheelhouse (1) (areas L, M and N).
6. Loosen front wheelhouse (1) from straightening tool (2, 3 and 4)
7. Remove straightening tool (4) and front wheelhouse (1).
8. Deburr rivet holes on both sides
9. Coat insides of rivet connections not glued with zinc dust paint.
10. Apply 2-component adhesive material in cross-hatched areas.

    Observe pretreatment of bonding surfaces.

    Refer to manufacturer specifications for adhesive curing and application times.

    Fig 6: Identifying Adhesive Material In Cross-Hatched Areas

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    Fig 7: Identifying Front Wheelhouse With Straightening Tool

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11. Install front wheelhouse (1), fit with straightening tool (2, 3 and 4) and fasten with clamping pliers and manual temporary fastener.
12. Weld In front wheelhouse (1) with (areas P, Q, R and U).
13. Rivet front wheelhouse (1) with Polygrip flat/round head rivet, 6.4x14 dia. (areas D, E, L, M and O).

    Blind rivet tool..

14. Weld in front wheelhouse (1) with (area S).
15. Grind MIG welds down flat on front wheelhouse (1) (area S).
    Fig 8: Identifying Front Wheelhouse Welding Areas (V, W And X)

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16. Weld in front wheelhouse (1) with (areas V, W and X).
    Fig 9: Identifying Front Wheelhouse With Polygrip Flat/Round Head Rivet Areas (F, H And J)

    Courtesy of MERCEDES-BENZ USA
17. Rivet front wheelhouse (1) with Polygrip flat/round head rivet, 6.4x14 dia. (areas F, H and J).
18. Weld in front wheelhouse (1) with (areas Y and Z).

    Blind rivet tool.

19. Weld in front wheelhouse (1) with (area AA).
20. Rivet front wheelhouse (1) with Polygrip flat/round head rivet, 6.4X14 dia. (area A).

    Blind rivet tool.

    Fig 10: Identifying Front Wheelhouse With Polygrip Flat/Round Head Rivet Area (A)

    Courtesy of MERCEDES-BENZ USA
    Fig 11: Identifying Front Wheelhouse With Polygrip Flat/Round Head Rivet Areas (B, C, G, I And N)

    Courtesy of MERCEDES-BENZ USA
21. Rivet front wheelhouse (1) with Polygrip flat/round head rivet, 6.4x14 dia. (areas B, C, G, I and N).

    Blind rivet tool..

22. Install sheet metal lug (1.1), fit and fasten with manual temporary fastener and clamping pliers.
23. Rivet sheet metal lug (1.1) on front wheelhouse (1) with Polygrip flat/round head rivet, 6.4X14 dia. (area K).

    Blind rivet tool

24. Clean welds using round wire brush.
25. Remove grinding and drill shavings using wet/dry vacuum cleaner.