Install Rear Center Section - Ar64.20-P-1050-04LF

Model 217.3 

Model 222 

Fig 1: Feeler Gauge (129 589 03 21 00)

Courtesy of MERCEDES-BENZ USA

The higher-level service document as well as the safety information in the service document must be observed.

Courtesy of MERCEDES-BENZ USA

Shown on model 222 

1. Install bottom rear-end center section (1) and fit.
2. Install the rear bumper and fit it in place.
3. Install taillamps and fit them in place.
4. Install seal and fit it in place.
5. Install striker eye and fit it in place.
6. Check gaps using feeler gauge and adjust.
7. Fix bottom rear center section (1) in place.
8. Remove striker eye.
9. Remove seal.
10. Remove taillamps.
11. Remove rear bumper.
12. Drill Ø 6.7 mm rivet holes in bottom rear center section (1) and lower them (areas B₁ ).

    Counter sink rivet hole to form level surface to allow adjustment of the bumper crossmember, if required.

13. Drill Ø 6.7 mm rivet holes in bottom rear center section (1) (areas A₁ , A₂ , B₂ , B₄ ).

    Only if a riveter for punching and flow form rivets is not used for installation.

14. Drill Ø 6.7 mm rivet holes in bottom rear center section (1) with (areas B₃ , B₅ ).

    Courtesy of MERCEDES-BENZ USA

    Shown on model 222 

15. Model 222

    Mark position on rivet holes of bottom rear center section (1).

    The distance of the rivet holes to the outer edge must be at least 10 mm.

    Dimensions: 

    a = approx. 17 mm

    b = approx. 18 mm

    Courtesy of MERCEDES-BENZ USA

    Shown on model 217.3 

16. Model 217.3

    Mark position on rivet holes of bottom rear center section (1).

    The distance of the rivet holes to the outer edge must be at least 10 mm.

    Dimensions: 

    c = approx. 17 mm

    d = approx. 30 mm

    e = approx. 11 mm

    f = approx. 11 mm

    g = approx. 23 mm

    h = approx. 15 mm

    i = approx. 11 mm

    j = approx. 11 mm

    k = approx. 30 mm

    l = approx. 11 mm

    Courtesy of MERCEDES-BENZ USA

    Shown on model 217.3 

17. Drill 6.7 mm rivet holes in bottom rear center section (1) (area D₃ ).

    Only if a riveter for punching and flow form rivets is not used for installation.

18. Drill Ø 6.7 mm rivet holes in bottom rear center section (1) (areas C₁ , I₁ , D₁ , D₂ ).

    The distance of the rivet holes to the outer edge must be at least 10 mm.

19. Remove bottom rear center section (1).
20. Deburr rivet holes on bottom rear center section (1) and body on both sides.
21. Remove drilling chips.

    Courtesy of MERCEDES-BENZ USA

    Shown on model 222 

22. Apply 2-component adhesive to body in crosshatched areas.

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

    Courtesy of MERCEDES-BENZ USA

    Shown on model 222 

23. Install bottom rear center section (1) and fix in place.
24. Rivet bottom rear center section (1) with blind rivets Ø 6.4x12 (areas E₁ , F₄ , F₅ ).

    Flow form rivets structure with a clamping range up to 3.5 mm (S1) can also be used if a riveter for selfpiercing and flow-form rivets is used for installation (areas E₁ , F₄ ).

25. Rivet bottom rear center section (1) with blind rivets Ø 6.5x12.5 (areas E₂ , F₂ ).

    Flow form rivets structure with a clamping range from 4 mm to 5.15 mm (S3) can also be used if a riveter for self-piercing and flow-form rivets is used for installation (area F₂ ).

26. Rivet bottom rear center section (1) with countersunk-head head rivets Ø 6.4x14 (areas F₁ ).
27. Rivet bottom rear center section (1) with blind rivets Ø 6.5x14.5 (areas F₃ ).

    Flow-form rivets structure with a clamping range of up to 3.5 mm (S1) can also be used if a riveter for selfpiercing and flow-form rivets is used for installation.

28. Arrest transition between bottom rear center section (1) and rear fender at bead edge for seal with clamping pliers until 2-component adhesive has cured.

    Courtesy of MERCEDES-BENZ USA

    Shown on model 217.3 

29. Rivet bottom rear center section (1) with blind rivets Ø 6.4x12 (areas J₁ , H₂ , H₃ ).

    Flow form rivets structure with a clamping range up to 3.5 mm (S1) can also be used if a riveter for selfpiercing and flow-form rivets is used for installation (area H₃ ).

30. Rivet bottom rear center section (1) with blind rivets Ø 6.5x12.5 (areas G₁ , H₁ ).