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Home >> Mercedes Benz >> 2011 >> G55 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Rear Wall & Rear End >> Testing & Repair >> Install rear portal - AR64.20-P-1001-04A

Install rear portal - AR64.20-P-1001-04A

DANGER Risk of death  caused by high voltage used for electric welding. Risk of explosion  caused by welding in the area of highly inflammable materials. Risk of injury  caused by welding spatter and UV light while welding. Risk of poisoning  caused by inhaling welding fumes. Use insulating mats. Wear protective clothing, safety glasses and protective mask. Remove highly inflammable materials from the hazard area. Use air extractor system. AS00.00-Z-0007-01A
DANGER Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
NOTES Measures for preventing damage to vehicles or components when performing electric welding work All models AH00.00-N-0005-01A
NOTES General information on repairs to body   AH60.00-N-0001-01A
REFER TO SHOP-MADE TOOLS Upper assembly strut for fixing rear portal in place. Model 461 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7 WF58.50-P-6420-01A
REFER TO SHOP-MADE TOOLS Lower assembly strut for fixing rear portal in place. Model 461 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7 WF58.50-P-6420-02A
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1003-01A Sealant, white, 310 ml, DB supply specification 6069.20 A 001 989 63 20
  1. Fit crossmember (55).
  2. Tack weld crossmember (55) in area A.
  3. Crossmember (55) in areas B and C POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
  4. Crossmember (55) in area A MHIELDED GAS PLUG WELD .
  5. Crossmember (55) in areas D, E, F and G MHIELDED GAS SEAM WELD .
    Fig 1: Identifying Crossmember Welding Areas
    G07711174Courtesy of MERCEDES-BENZ USA
  6. Fit rear portal (2).
  7. Fasten rear portal (2) with vise grip pliers.

    Vise grip pliers gotis://K_58.3_04.2 

    Fig 2: Identifying Rear Portal
    G07711175Courtesy of MERCEDES-BENZ USA
  8. Rear portal (2) in shown area POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
    Fig 3: Spot Welding Rear Portal
    G07711176Courtesy of MERCEDES-BENZ USA
  9. Rear portal (2) in shown area POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
    Fig 4: Identifying Rear Portal Spot Welding Areas
    G07711177Courtesy of MERCEDES-BENZ USA
  10. Rear portal (2) in shown area POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
  11. Perform operation step  10 analog on left side of vehicle.
    Fig 5: Identifying Rear Portal Spot Welding Areas
    G07711178Courtesy of MERCEDES-BENZ USA
    Fig 6: Identifying Rear Portal Weld Areas
    G07711179Courtesy of MERCEDES-BENZ USA
  12. Rear portal (2) in shown areas POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
  13. Rear portal (2) in areas H and J MHIELDED GAS STITCH WELD .
    Fig 7: Identifying Rear Portal Welding Areas
    G07711180Courtesy of MERCEDES-BENZ USA
  14. Rear portal (2) in areas K, L, M and N MHIELDED GAS PLUG WELD .
  15. Grind weld joints down flat in areas K, L, M and N.
    Fig 8: Identifying Rear Portal Welding Areas
    G07711181Courtesy of MERCEDES-BENZ USA
  16. Fit shop-made reinforcement shoes (6).
  17. Shop-made reinforcement shoes (6) in areas O, P, Q and R MHIELDED GAS PLUG WELD .
  18. In areas S and T MHIELDED GAS STITCH WELD .
  19. Fit left mounting profile for splinter guard (37) with upper assembly strut (39) and lower assembly strut (40) for left side of vehicle.

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

  20. Fit right mounting profile for splinter guard (38) with upper assembly strut (41) and lower assembly strut (42) for right side of vehicle.

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

    Fig 9: Identifying Splinter Guard And Assembly Struts
    G07711182Courtesy of MERCEDES-BENZ USA
  21. Right mounting profile for splinter guard (38) in area of arrows MHIELDED GAS SEAM WELD .

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

  22. Perform operation step  21 analog on left side of vehicle.

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

    Fig 10: Identifying Splinter Guard Seam Welds
    G07711183Courtesy of MERCEDES-BENZ USA
  23. Fit reinforcement (43) at top on left mounting profile for splinter guard (37).

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

  24. Reinforcement (43) in area U MHIELDED GAS SEAM WELD .

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

    Fig 11: Identifying Reinforcement And Splinter Guard Seam Weld Area
    G07711184Courtesy of MERCEDES-BENZ USA
    Fig 12: Applying Sealant On Reinforcement
    G07711185Courtesy of MERCEDES-BENZ USA
  25. Apply sealant as shown on reinforcement (35).
  26. Fit reinforcement (35).
  27. Tack weld reinforcement (35).
  28. Reinforcement (35) in area AE POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
  29. Reinforcement (35) in area AF and in area of arrows MHIELDED GAS PLUG WELD .
  30. Fit reinforcement (36) on left taillamp (E3).
  31. Reinforcement (36) in area V MHIELDED GAS PLUG WELD .
  32. Reinforcement (36) in area W MHIELDED GAS SEAM WELD INTERRUPTED .
    Fig 13: Identifying Reinforcement Weld Areas
    G07711186Courtesy of MERCEDES-BENZ USA
  33. Fit reinforcement plate (66).

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

  34. Reinforcement (66) in shown areas MHIELDED GAS SEAM WELD .

    IMPORTANT Only on model 461, 463 with code (ZS4) Special protection version FB4, Code (ZS6) Special protection version FB6 and code (ZS7) Special protection version FB7.

    Fig 14: Identifying Reinforcement Plate Seam Weld Area
    G07711187Courtesy of MERCEDES-BENZ USA
  35. Fit reinforcement (60).
  36. Tack weld reinforcement (60).
  37. Reinforcement (60) in area AA POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD .
  38. Reinforcement (60) in area AB, AC and AD MHIELDED GAS PLUG WELD .
  39. Reinforcement(60) in area of arrows MHIELDED GAS SEAM WELD .
  40. Perform steps  23 to  39 analog to right side of vehicle.
    Fig 15: Identifying Reinforcement Weld Areas
    G07711188Courtesy of MERCEDES-BENZ USA