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Home >> Mercedes Benz >> 2018 >> GLC300 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Front End And Fire Wall - 253 Chassis >> Testing & Repair >> Partially Prepare Upper Front Longitudinal Member - Ar62.20-P-1287-02LW

Partially Prepare Upper Front Longitudinal Member - Ar62.20-P-1287-02LW

Model 205 

Model 213 

Model 238 

Model 253 

Model 293 

IMPORTANT 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 of the vehicle in the event of damage.

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

    IMPORTANT Transfer separation point from vehicle.

    Fig 1: Upper Front Longitudinal Member Installation Preparation Cut Lines And Measurement Locations
    G12824003Courtesy of MERCEDES-BENZ USA
  2. Grind mating surfaces on upper front longitudinal member (1) down to bare metal in crosshatched areas.

    IMPORTANT Grind mating surfaces down to bare metal on insides (area C).

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

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

    NOTES Do not coat bonding surfaces with zinc dust paint (areas B and C).

    Otherwise adhesion problems may occur.

    IMPORTANT Observe pretreatment of bonding surfaces.

    G12824004Courtesy of MERCEDES-BENZ USA
  5. Grind mating surfaces on strut (2) down to bare metal in crosshatched areas.

    IMPORTANT Observe pretreatment of bonding surfaces.

  6. Remove grinding dust.

    Inside of strut (2) 

G12823977Courtesy of MERCEDES-BENZ USA