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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Rear Wall & Rear End >> Testing & Repair >> Install Rear Portal - Ar64.20-P-1001-04A

Install Rear Portal - Ar64.20-P-1001-04A

  The high voltage used for electric welding presents a lethal hazard. Risk of explosion from welding in areas close to highly inflammable materials. Risk of injury from weld splatter and UV-light when welding. Risk of poisoning from inhaling welding gases Use insulating mats. Wear protective clothing, safety glasses and a protective mask. Remove highly inflammable materials from the hazard area. Use air extraction system. AS00.00-Z-0007-01A
CAUTION 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
  Measures for preventing damage to vehicles or components when performing electric welding work   AH00.00-N-0005-01A
  General information on body repair   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)
with code ZS6 (Special protection version FB6)
with 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)
with code ZS6 (Special protection version FB6)
with code ZS7 (Special protection version FB7)
WF58.50-P-6420-02A

Model 461 

Model 463 up to model year 2019 

Repair materials

Number Designation Order number
BR00.45-Z-1003-01A White sealing compound, 310 ml, DBL 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 SHIELDED GAS PLUG WELD
  5. Crossmember (55) in areas D, E, F, and G. SHIELDED GAS SEAM WELD
    G13659396Courtesy of MERCEDES-BENZ USA
  6. Fit rear portal (2).
  7. Fasten rear portal (2) with vise grip pliers.
    G13659397Courtesy of MERCEDES-BENZ USA
  8. Rear portal 8 (2) in shown area. POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD
    G13659398Courtesy of MERCEDES-BENZ USA
  9. Rear portal (2) in shown area POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD
    G13659399Courtesy of MERCEDES-BENZ USA
  10. Rear portal 10 (2) in shown area POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD
  11. Carry out operation step 10 in the same way on the left side of the vehicle.
    G13659400Courtesy of MERCEDES-BENZ USA
    G13659401Courtesy of MERCEDES-BENZ USA
  12. Rear portal (2) in shown areas. POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD
  13. Rear portals (2) in areas H and J SHIELDED GAS STITCH WELD .
    G13659402Courtesy of MERCEDES-BENZ USA
  14. Rear portal (2) in 14 areas K, L, M, and N. SHIELDED GAS PLUG WELD
  15. Surface grind weld joints in areas K, L, M, and N.
    G13659403Courtesy of MERCEDES-BENZ USA
  16. Fit fabricated reinforcement shoes (6).
  17. Fabricated reinforcement shoes (6) in areas O, P, Q, and R. SHIELDED GAS PLUG WELD
  18. In areas S and T.
  19. Fit left fastening profile for the splinter protection (37) using the top assembly strut (39) and bottom assembly strut (40) for the left side of the vehicle.

    IMPORTANT Only for 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 fastening profile for the splinter protection (38) using the top assembly strut (41) and bottom assembly strut (42) for the right side of the vehicle.

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

    G13659404Courtesy of MERCEDES-BENZ USA
  21. Right fastening profile for the splinter protection (38) in the area of the arrows. SHIELDED GAS SEAM WELD

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

  22. Carry out operation step 21 in a similar way on the left side of the vehicle.

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

    G13659405Courtesy of MERCEDES-BENZ USA
  23. Fit reinforcement (43) at the top on the left fastening profile for the splinter protection (37).

    IMPORTANT Only for model 461, 463 with code (ZS4) special protection version FB4, code (ZS6) special protection versionFB6 and code (ZS7) special protection version FB7.

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

    IMPORTANT Only for model 461, 463 with code (ZS4) special protection versionFB4, code (ZS6) special protection versionFB6 and code (ZS7) special protection version FB7.

    G13659406Courtesy of MERCEDES-BENZ USA
    G13659407Courtesy of MERCEDES-BENZ USA
  25. Apply sealant as shown on reinforcement (35).
  26. Fit reinforcement (35).
  27. Tack weld reinforcement (35).
  28. Reinforcement 28 (35) in area AE. POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD
  29. Reinforcement (35) in area AF and in the area of the arrows. SHIELDED GAS PLUG WELD
  30. Fit reinforcement (36) of left tail lamp (E3).
  31. Reinforcement (36) in area V SHIELDED GAS PLUG WELD .
  32. Reinforcement (36) in area SHIELDED GAS SEAM WELD INTERRUPTED .
    G13659408Courtesy of MERCEDES-BENZ USA
  33. Fit reinforcement plate (66).

    IMPORTANT Only for model 461, 463 with code (ZS4) special protection versionFB4, code (ZS6) special protection versionFB6 and code (ZS7) special protection version FB7.

  34. Reinforcement plate (66) in the shown areas.

    IMPORTANT Only for model 461, 463 with code (ZS4) special protection versionFB4, code (ZS6) special protection versionFB6 and code (ZS7) special protection version FB7.

    G13659409Courtesy 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

  37. Reinforcement (60) in area AB, AC, and AD SHIELDED GAS PLUG WELD .
  38. Reinforcement (60) in the areas of the arrows SHIELDED GAS SEAM WELD .
  39. Carry out operation steps 23 to 39 in the same way on the right side of the vehicle.
G13659410Courtesy of MERCEDES-BENZ USA