Install And Weld In Wheel Well - Ar62.20-P-1200-17SR

MODEL 453 

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

1. Install longitudinal member (4), fit and fix in place.
2. Drill 6.7 mm rivet holes in longitudinal member (4) (area S).
   Fig 1: Locating Area S

   Courtesy of MERCEDES-BENZ USA
3. Remove longitudinal member (4).
4. Deburr rivet holes on longitudinal member (4) and body on both sides.
5. Install longitudinal member (4), fit and fix in place.
6. Rivet longitudinal member (4) with 6.5 x 12.5 rivets (area S).
7. Drill out longitudinal member (4) with a 7 mm bit one sheet metal thickness (area T).
   Fig 2: Locating Areas T, U1, U 2, U₃ , U₄ , V ₁ , V₂ , W & X

   Courtesy of MERCEDES-BENZ USA

   Shown on MODEL 453.3 

8. longitudinal member (4) (area T).
9. Install longitudinal member end plate (3), fit and fix in place.
10. Drill longitudinal member end plate (3) with 6.7 mm bit (areas V ₁ and V₂ ).
11. Remove longitudinal member end plate (3).
12. Deburr rivet holes longitudinal member end plate (3) and body on both sides.
13. Remove drilling shavings with wet/dry vacuum cleaner.
14. Coat insides of riveted joints with zinc dust paint.
15. Install longitudinal member end plate (3), fit and fix in place.
16. Rivet longitudinal member end plate (3) with 6.5 x 12.5 rivets (areas V₁ and V₂ ).
17. Longitudinal member (4) (areas U₁ , U ₂ , U₃ and U₄ ).
18. Longitudinal member (4) (area X).
19. Install suspension strut tower (2), fit and fix in place.
20. Drill suspension strut tower (2) with 6.7 mm bit (area Z).
    Fig 3: Locating Areas Y1, Y2 and Y₃ , Z, ZZ, AA, AB. AC, AD

    Courtesy of MERCEDES-BENZ USA

    Shown on MODEL 453.3 

21. Remove suspension strut tower (2).
22. Deburr rivet holes on suspension strut tower (2) and body on both sides.
23. Remove drilling shavings with wet/dry vacuum cleaner.
24. Coat insides of riveted joints with zinc dust paint.
25. Install suspension strut tower (2), fit and fix in place.
26. Rivet suspension strut tower (2) with 6.5 x 12.5 rivets (area Z).
27. Suspension strut tower (2) (areas Y₁ , Y₂ and Y₃ ).
28. Suspension strut tower (2) (area ZZ).
29. Install A-pillar end plate (1), fit and fix in place.
30. A-pillar end plate (1) (areas AA, AC and AD).
31. A-pillar end plate (1) (area AB).

Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion.