Front Longitudinal Member Section Separation - Ar62.20-P-1260-01ME

Model 167 

The following operation steps are shown on the left side of the vehicle in model 167.1. In case of damage on the right side of the vehicle, these steps must be performed analogously.

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

1. Expose solder seam on striker plate (2) (area A).
2. Cut off solder seam on striker plate (2) (area A).
3. Expose spot welds on striker plate (2) (areas B).
4. Cut off spot welds on striker plate (2) (areas B).
5. Remove end plate (2).

   Courtesy of MERCEDES-BENZ USA

6. Mark separating point at longitudinal member front section (1) on outside (area C)

   Observe dimension (C).

7. Cut separating point at longitudinal member front section (1) on outside (area C)

   Do not cut too deeply. Otherwise the components below can be damaged and weakened.

   Observe dimension (C).

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   Courtesy of MERCEDES-BENZ USA

8. Expose solder seams on longitudinal member front section (1) (areas D).
9. Separate solder seams on longitudinal member front section (1) (areas D).
10. Expose laser seam on longitudinal member front section (1) (area E₁ )
11. Cut off laser seam on longitudinal member front section (1) (area E₁ )
12. Expose spot welds on longitudinal member front section (1) (area E).
13. Cut off spot welds on longitudinal member front section (1) (area E).

    Courtesy of MERCEDES-BENZ USA

    Shown on model 167.1 with code M177 (V8 spark-ignition engine M177 - AMG) 

14. 1. Model 167

       except code M176 (V8 spark-ignition engine M176)

       except code M177 (V8 spark ignition engine M177 - AMG)

       except code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))

       Mark separating cut on inside parallel to separating cut on outside on longitudinal member front section (1).

    2. Model 167

       with code M176 (V8 spark-ignition engine M176)

       Model 167

       with code M177 (V8 spark ignition engine M177 - AMG)

       Model 167

       with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))

       Mark separating point on longitudinal member front section (1) (area G).

       Observe dimension (g).

15. 1. Model 167

       except code M176 (V8 spark-ignition engine M176)

       except code M177 (V8 spark ignition engine M177 - AMG)

       except code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))

       Cut separating cut on inside parallel to separating cut on outside on longitudinal member front section (1).

       Do not cut too deeply.

       Otherwise the components below can be damaged and weakened.

    2. Model 167

       with code M176 (V8 spark-ignition engine M176) Model 167

       with code M177 (V8 spark ignition engine M177 - AMG) Model 167

       with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))

       Separate separating point on longitudinal member front section (1) (area G).

       Do not cut too deeply.

       Otherwise the components below can be damaged and weakened.

       Observe dimension (g).

16. Expose spot welds on longitudinal member front section (1) (areas H and K).
17. Cut off spot welds on longitudinal member front section (1) (areas H and K).
18. Model 167

    with code M176 (V8 spark-ignition engine M176)

    Model 167

    with code M177 (V8 spark ignition engine M177 - AMG)

    Model 167

    with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))

    Heat longitudinal member front section (1) in cross-hatched area.

    Crosshatched area is bonded.

19. Remove longitudinal member front section (1).

    Shown on model 167.1 with code M177 (V8 spark-ignition engine M177 - AMG) 

    Courtesy of MERCEDES-BENZ USA

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

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

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

    Do not coat bonding surfaces with zinc dust paint (area L).

    Otherwise adhesion problems may occur.

    Observe pretreatment of bonding surfaces.

    Courtesy of MERCEDES-BENZ USA