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Home >> Mercedes Benz >> 2020 >> GLC350e >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Rear Wall And Rear End >> Testing & Repair >> Install Rear Floor - Ar64.20-P-1300-04LWG

Install Rear Floor - Ar64.20-P-1300-04LWG

Model 253 

Model 293 

  1. Install rear floor (1) and fix in place.

    IMPORTANT Aid of helper required.

  2. Place vehicle on straightening bench and fasten.
  3. Fit rear-end floor (1) with straightening tool and fix in place.
  4. Drill rivet holes in rear-end floor (1) with a 6.7 mm bit (area A).
    G14471344Courtesy of MERCEDES-BENZ USA
  5. Drill rivet holes in rear-end floor (1) with a 6.7 mm bit (area B).
    G14471345Courtesy of MERCEDES-BENZ USA
    G14471346Courtesy of MERCEDES-BENZ USA
  6. Drill rivet holes in rear-end floor (1) with a 6.7 mm bit (area C).
    G14471347Courtesy of MERCEDES-BENZ USA
  7. Drill Ø 6.7 mm rivet holes in rear-end floor (1) (area D).
  8. Release vehicle from straightening bench, lift and remove straightening bench.
  9. Remove rear-end floor (1) downward toward rear.

    IMPORTANT Aid of helper required.

  10. Deburr rivet holes on rear-end floor (1) and on body on both sides.
  11. Remove drilling chips.
  12. Coat with zinc dust paint insides of those riveted joints that will not be bonded.

    IMPORTANT To maintain the curing and processing time specified in the instructions for the 2-component adhesive, it is necessary for at least 3 experienced workers to cooperate in performing the following operation steps. while dividing up the operation steps appropriately and performing them as concurrently as possible. In some cases it is necessary to have and use several sets of the required tools.

    Mark rivet holes and rivets in color to match one another.

    G14471348Courtesy of MERCEDES-BENZ USA
  13. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

    G14471349Courtesy of MERCEDES-BENZ USA
  14. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

    G14471350Courtesy of MERCEDES-BENZ USA
  15. Apply 2-component adhesive to body in crosshatched areas.

    IMPORTANT Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

    IMPORTANT For the following operation steps ensure that all rivets are first set and pulled before welding the areas in question.

  16. Install rear floor (1) and fix in place.
  17. Place vehicle on straightening bench and fasten.
  18. Align rear-end floor (1) with straightening tool and fix in place.
  19. Rivet rear-end floor (1) with a 6.4x12 rivet (area E).
  20. Rivet rear-end floor (1) with Ø 6.5x12.5 rivet (area F).
  21. Weld in rear floor (1) with POLARIZATION RESISTANCE SINGLE ROW SPOT WELD (area G).
  22. Rear-end floor (1) SHIELDED GAS PLUG WELD (area H).
  23. Bend back sheet metal lug (arrow).
    G14471351Courtesy of MERCEDES-BENZ USA
    G14471352Courtesy of MERCEDES-BENZ USA
  24. Rear-end floor (1) SHIELDED GAS SEAM WELD (area J).
  25. Rivet rear-end floor (1) with a 6.5x12.5 rivet (area K).
  26. Rivet rear-end floor (1) with Ø 6.5x14.5 rivet (area L).
  27. Rear-end floor (1) SHIELDED GAS PLUG WELD (area M).
    G14471353Courtesy of MERCEDES-BENZ USA
    G14471354Courtesy of MERCEDES-BENZ USA
  28. Rivet rear-end floor (1) with a 6.4x12 rivet (area N).
  29. Rivet rear-end floor (1) with a 6.5x12.5 rivet (area O).
  30. Rivet rear-end floor (1) with Ø 6.5x14.5 rivet (area P).
  31. Rear-end floor (1) POLARIZATION RESISTANCE SINGLE ROW SPOT WELD (area Q).
  32. Rear-end floor (1) SHIELDED GAS PLUG WELD (area R).
    G14471355Courtesy of MERCEDES-BENZ USA
  33. Rivet rear-end floor (1) with 6.5x12.5 rivets (areas S and T).
    G14471356Courtesy of MERCEDES-BENZ USA

    IMPORTANT The next steps 34, 35, and 36 are shown on the left side of the vehicle and must be performed in the same way on the right side of the vehicle.

  34. Rear-end floor (1) POLARIZATION RESISTANCE SINGLE ROW SPOT WELD (area U).
  35. Rear-end floor (1) SHIELDED GAS PLUG WELD (area V).
  36. Rear-end floor (1) SHIELDED GAS SEAM WELD (area W).