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Home >> Mercedes Benz >> 2018 >> GLS550 >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Roof - 166 Chassis >> Testing & Repair >> Separate Front Roof Frame - Ar65.20-P-1006-02GQ

Separate Front Roof Frame - Ar65.20-P-1006-02GQ

MODEL 166 

Illustrated on model 166.0 

  1. Expose spot welds on front roof frame (1) and left/right inner front reinforcement (2) and cut out (areas A1, A2, C1 , C2 , C3 and C4 ).

    IMPORTANT Cut out spot welds on front roof frame (1) through two sheet metal thicknesses (areas C1 and C2 ). Remove only left inner front reinforcement (2).

  2. Remove left inner front reinforcement (2).
  3. Drill Ø 6 mm spot welds in front roof frame (1) (area B).
  4. Bend open sheet metal lug (arrow).
    G12084393Courtesy of MERCEDES-BENZ USA
  5. Expose spot welds on front roof frame (1) and cut out (area E).
  6. Drill Ø 6 mm spot welds in front roof frame (1) (areas D1 and D2 ).
  7. Remove damaged front roof frame (1) in direction of arrow.
    G12084394Courtesy of MERCEDES-BENZ USA
  8. Grind mating surfaces down to bare metal in the cross-hatched areas.

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

  9. Remove shavings and drill chips.
  10. Coat insides of spot weld flanges with zinc dust paint.
    G12084395Courtesy of MERCEDES-BENZ USA