41 21 510 Replacing Front Left Door Pillar (Front Side Panel Removed): Notes

Read contents of, see BODY, GENERAL .

Spot-weld bonding is used on the E63. Observe specific procedure. See 4100... SPOT-WELD BONDING STEEL PARTS or 4100... OPENING ADHESIVE BONDS .

Following new body parts are required:

Fig 1: A-Pillar, Side Frame Connection And Crashbox

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Open brazed joints in area (1).

Remove endplate attachment (2).

Open weld joints in areas (3).

Fig 2: Weld, Brazed Joint And Endplate Attachment

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Open weld joints in areas (1).

Fig 3: Weld Joint On Area

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Open weld joints in area (1).

Fig 4: Weld Joint On Area

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Open adhesive bond in area (1).

Open weld joints in areas (2) and (3).

Installation:

Weld spot in area (1).

Weld new part in area (3) from outside with inert-gas-welded seams.

Fig 5: Adhesive Bond And Weld Joint On Area

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Open weld joints in area (1).

Remove crashbox (2).

Fig 6: Weld Joint On Area And Crashbox

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Open brazed joint in area (1).

Open weld joints in areas (2).

Fig 7: Brazed And Weld Joint On Area

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Fig 8: Severance Cuts Dimension

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Mark severance cuts in accordance with specified measurements and cut.

Measurement a = approx. 430 mm before hole dia. 20 mm.

Measurement b = approx. 180 mm below roof edge.

IMPORTANT: Only cut outer metal plate on both severance cuts.

Open weld joints in areas (1) and (3).

Installation:

Weld in, see REINFORCING PANELS at all severance cuts.

see BOND and rivet new part in area (3).

Use Hemlock 813 blind rivet - Aluminum and steel/bonding and welding).

Double number of rivets with respect to welding spots in area (3).