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Home >> Mercedes Benz >> 2021 >> S560 4Matic >> Repair and Diagnosis >> Collision >> General Collision Information >> Collision - Roof (217 Chassis) >> Roof Body Repair >> Install Front Roof Frame - Ar65.20-P-1006-05LCA

Install Front Roof Frame - Ar65.20-P-1006-05LCA

Model 217.4 

G15300702Courtesy of MERCEDES-BENZ USA

IMPORTANT The following steps are shown on the left side of the vehicle and must be accomplished analogously on the right side of the vehicle.

  1. Install front roof frame (1) and mounting console (2) and fix in place.
  2. Drill Ø 6.7 mm rivet holes on mounting console (2) with bit for height strength steels (areas B1 , B2 and B3 )
  3. Remove mounting console (2).
  4. Deburr rivet holes on mounting console (2) on both sides.
  5. Remove drilling chips.
    G15300703Courtesy of MERCEDES-BENZ USA
  6. Install front roof frame (1), fit and fix in place.
  7. Front roof frame (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas C1 , C2 and C3 ).
  8. Apply 2-component adhesive to body (areas D).

    IMPORTANT Observe pretreatment of bonding surfaces.

    Observe manufacturer's specifications for drying and processing time of adhesive.

    G15300704Courtesy of MERCEDES-BENZ USA
  9. Install mounting console (2), fit and fix in place.
  10. Rivet mounting console (2) with Ø 6.4 X 12 blind rivets (areas E1 ).
  11. Rivet mounting console (2) with Ø 6.5 X 12.5 blind rivets (areas E2 , E3 and E4 ).
    G15300705Courtesy of MERCEDES-BENZ USA
  12. Mounting consoles (2) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas F1 , F2 , F3 and F4 ).
  13. Arrest transitions at crimped edge for seals with vise grip pliers until the 2-component adhesive has cured.
  14. Mounting consoles (2) BRAZING (areas G1 , G2 , G3 and G4 ).
    G15300706Courtesy of MERCEDES-BENZ USA
  15. Front roof frame (1) SHIELDED GAS SEAM WELD INTERRUPTED (areas A).

    IMPORTANT Inert gas weld in intervals and allow welding area to cool down in between. Reduces heat distortion

  16. Grind inert gas welds down flat (areas A).
    G15300707Courtesy of MERCEDES-BENZ USA
  17. Stiffening plate (3) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (area H).