Prepare Upper Front Longitudinal Member - Ar62.20-P-1286-02LW

Model 205 

Model 213 

Model 253 

Model 293 

The next steps are shown on the left side of the vehicle on model 205 and must be performed in the same way on the right side in the event of damage.

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1. Mark separating point on upper front longitudinal member (1) and cut (area A).

   Transfer separation point from vehicle (area A).

2. Model 205

   Model 213

   Mark separating point on upper front longitudinal member (1) and cut (area B).

   Separate sheet metal flange flush with upper front longitudinal member (1) (area B) for overlapping.

3. Grind mating surfaces on upper front longitudinal member (1) down to bare metal in crosshatched areas.

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

   Grind upper front longitudinal member (1) down to bare metal at inside (area D).

4. Remove grinding dust.
5. Coat insides of spot weld flanges with zinc dust paint.

   Bonding surfaces may not be coated with zinc dust paint (area C and D).

   Otherwise adhesion problems may occur.

   Observe pretreatment of bonding surfaces.

6. Model 253

   Model 293

   Grind mating surfaces on upper front longitudinal member (1) down to bare metal in crosshatched areas.

7. Model 253

   Model 293

   Remove grinding dust.

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8. Mark separating point on reinforcement (3) and cut (area E).

   Transfer separation point from vehicle.

9. Grind mating surfaces on reinforcement (3) down to bare metal in the crosshatched areas.
10. Remove grinding dust.

    Observe pretreatment of bonding surfaces (area F).

    Fig 1: Reinforcement Removal Cut Locations

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11. Grind mating surfaces on reinforcement (3) down to bare metal in the crosshatched areas.
12. Remove grinding dust.

    Observe pretreatment of bonding surfaces.

    Reinforcement (3), inside 

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13. Sand down mating surfaces on strut (2) to bare metal in crosshatched areas.
14. Remove grinding dust.

    Observe pretreatment of bonding surfaces.

    Inside of strut (2) 

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15. Grind bracket (4) down to bare metal in crosshatched area.
16. Remove grinding dust.

    Observe pretreatment of bonding surfaces.

Courtesy of MERCEDES-BENZ USA