Rear Longitudinal Member Partially Remove - Ar64.20-P-1260-01MFA

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-1056-07A	1K-zinc dust paint	A 000 986 28 00

The following operation 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.

Additional information can be found in the superordinate service document.

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

Courtesy of MERCEDES-BENZ USA

1. Mark separating point on left rear-end floor (1) and separate (area A).

   Dimensions: 

   A = 40 mm

   Do not make the cuts too deep.

   Otherwise the components below can be damaged and weakened.

   Courtesy of MERCEDES-BENZ USA

2. Expose spot welds on left rear-end floor (1) and cut out (areas B₂ , C₁ , C₂ , and C₃ ).
3. Expose spot welds on left rear-end floor (1) and drill out with a diameter of 6.5 mm (areas B₁ , C₄ , C₅ , C₆ , C₇ , C₈ , and C₉ ).

   Joint spot welds on panels that are arranged one behind the other must be cut out through two panel thicknesses (area B₂ ).

4. Expose spot welds on left rear-end floor (1) and cut out (area D).

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

5. Heat left rear-end floor (1) in cross-hatched areas.
6. Remove left rear-end floor (1).

   Cross-hatched areas are bonded with adhesive.

   Courtesy of MERCEDES-BENZ USA

7. Expose spot welds on longitudinal member (2) and drill through with a diameter of 6.5 mm (areas E).
8. Remove longitudinal member (2).
9. Sand down mating surfaces to bare metal in cross-hatched areas.

   Grind spot weld flanges down to bare metal on both sides (area G₁ ).

   Grind mating surfaces down to bare metal on inside (area F).

10. Remove grinding dust.
11. Apply zinc dust paint to mating surfaces in cross-hatched areas (areas H and F).

    Do not coat bonding surfaces with zinc dust paint (areas G₁ and G₂ ).

    Otherwise adhesion problems can occur.

    Observe pretreatment of bonding surfaces.

    Courtesy of MERCEDES-BENZ USA