Install Spare Tire Well - Ar64.20-P-1245-03MFV

Model 177.1/9 

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

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1. Install and fit spare wheel well (1).
2. Fix spare wheel well (1) in place.
3. Drill rivet holes with 6.7 mm diameter in spare wheel well (1) (areas A₁ , A₂ , A ₃ ).

   Drill rivet holes through existing holes in body.

4. Countersink rivet holes.

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   Shown on left side of vehicle 

5. Install and fit rear-end floor (2) and crossmember (3).
6. Fix rear-end floor (2) and crossmember (3) in place.
7. Drill rivet holes with 6.7 mm diameter in spare wheel well (1), rear-end floor (2) and crossmember (3) on both sides of the vehicle (areas B₁ , B₂ , B ₃ , B₄ , B₅ ).
8. Countersink rivet holes.
9. Remove spare wheel well (1), rear-end floor (2) and crossmember (3).
10. Deburr rivet holes in spare wheel well (1), rear-end floor (2) and crossmember (3) on both sides of the body.
11. Remove drilling chips.
12. Coat insides of riveted joints with zinc dust paint.

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13. Apply 2-component adhesive in the cross-hatched area on the body.

    The 2-component adhesive is partly stripped off in this area when the rear-end floor (2) is installed, making it necessary to apply additional adhesive for compensation. Also apply 2-component adhesive to new part.

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

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14. Install and fix spare wheel well (1) in place.
15. Rivet spare wheel well (1) with rivets with 6.4x17 mm diameter (areas C₁ , C₂ , C ₃ ).

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    Shown on left side of vehicle 

16. Install and fit rear-end floor (2).
17. Fix rear-end floor (2) in place.
18. Rivet spare wheel well (1) and rear-end floor (2) on both sides of the vehicle with rivets with 6.4x17 mm diameter (areas D₁ , D₅ ).

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19. Rear-end floor (2) (areas E₁ ).

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20. Install and fit crossmember (3).
21. Fix crossmember (3) in place.
22. Drill rivet holes with 6.7 mm diameter in crossmember (3), spare wheel well (1) and rear-end floor (2) (areas B₆ , B₇ ).
23. Countersink rivet holes.
24. Remove crossmember (3).
25. Deburr rivet holes in crossmember (3), spare wheel well (1) and rear-end floor (2) on both sides.
26. Remove drilling chips.
27. Coat insides of riveted joints with zinc dust paint.

    Courtesy of MERCEDES-BENZ USA

28. Apply 2-component adhesive in the cross-hatched area on the body.

    The 2-component adhesive is partly stripped off in this area when the crossmember (3) with spare wheel well (1) and the rear-end floor (2) are installed, making it necessary to apply additional adhesive for compensation.

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

    Courtesy of MERCEDES-BENZ USA

29. Install crossmember (3) and fix in place.
30. Lightly tighten bolts (4) by hand.
31. Rivet crossmember (3) with rivets with 6.4x17 mm diameter (areas D₂ , D₃ , D ₄ , D₆ , D₇ ).
32. Tighten screws(4).