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

Model 253 

Model 293 

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

1. Expose spot welds on rear-end floor (1) and cut out (area A).
2. Expose self-piercing riveting on rear-end floor (1) and drill with Ø 6 mm bit (areas B).

   Courtesy of MERCEDES-BENZ USA

3. Expose spot welds on rear-end floor (1) and rear longitudinal member (2) and cut off (areas C and D).

   Cut out spot weld from inside (area D).

4. Expose impact spikes in rear longitudinal member (1) and cut out (area E).
5. Expose self-pierce rivets on rear longitudinal member (2) and drill out with a 6 mm bit (area F).

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

6. Heat rear-end floor (1) and rear longitudinal member (2) in cross-hatched areas.
7. Remove rear-end floor (1) with rear longitudinal member (2).

   Cross-hatched areas are bonded with adhesive.

   Courtesy of MERCEDES-BENZ USA

8. Grind mating surfaces down to bare metal in cross-hatched areas.

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

   Sand down spot weld flanges to bare metal on both sides.

9. Remove grinding dust and drill chips.
10. Coat insides of spot weld flanges with zinc dust paint.

    Do not coat bonding surfaces with zinc dust paint (areas H and I).

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces.