Rear Longitudinal Member Section Installation - Ar64.20-P-1260-03MFA

Model 118.3/6 

with code U55 (Multi-link axle) 

except code U54 (Compound-link axle) 

Model 177.0 

with code U55 (Multi-link axle) 

except code U54 (Compound-link axle) 

Model 177.1/9 

with code U55 (Multi-link axle) 

except code U54 (Compound-link axle) 

Model 247.0/6/7 

with code U55 (Multi-link axle) 

except code U54 (Compound-link axle) 

Number	Designation	Order number
BR00.45-Z-1016-13A	Blind rivet Y3 6.5 14.5 (clamping range 4 mm to 7 mm, draw-off strength min. 19 kN)	A 004 990 17 97
BR00.45-Z-1034-13A	Blind rivet Y5 6.4 (clamping range 7.82 mm to 9.83 mm, draw-off strength min. 16 kN)	A 003 990 80 97
BR00.45-Z-1162-02A	Parts kit for 2-component adhesive for body	A 012 989 17 71

The next steps are shown on the left side of the vehicle. In case of damage on the right side of the vehicle, these steps must be performed analogously.

Further information can be found in the superordinate service document.

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

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1. Install and fix in place longitudinal member (2).
2. Drill rivet holes in longitudinal member (2) with Ø 6.7 mm bit through existing holes in body (areas A).
3. Remove longitudinal member (2).
4. Deburr rivet holes at longitudinal member (2) and body on both sides.
5. Remove drill chips.

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6. Install and fix in place longitudinal member (2) using straightener.
7. Rivet longitudinal member (2) with rivets Ø 6.5x14.5 mm (areas B).

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8. Install and fix in place left rear-end floor (1).
9. Drill rivet holes in left rear-end floor (1) with Ø 6.7 mm bit through existing holes in body (areas C).
10. Remove left rear-end floor (1).
11. Deburr rivet holes at left rear-end floor (1) and body on both sides.
12. Remove drill chips.

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

    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 in place left rear-end floor (1).
15. Rivet left rear-end floor (1) with rivets Ø 6.5x14.5 mm (areas D₁ , D₂ , D₃ , D₄ , D₅ and D₆ ).
16. Rivet left rear-end floor (1) with Ø 6.4 mm rivets (area E₁ ).
17. Left rear-end floor (1) (areas E₂ , F₁ , F₂ and F₃ ).
18. Left rear-end floor (1) (area G).

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19. Left rear-end floor (1) (area H).

Perform inert gas welding at intervals and allow to cool down in between. This reduces heat distortion.