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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Side Wall (222 Chassis) >> Side Wall Body Repair >> Separate Inner Rear Wheelhouse - Ar63.10-P-0670-01LF

Separate Inner Rear Wheelhouse - Ar63.10-P-0670-01LF

Model 222 

except code Z07 (B7 armoring on special protection version) 

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

G15399911Courtesy of MERCEDES-BENZ USA
  1. Expose MIG solder seams on inner rear wheel well (1) and cut (area A).
  2. Expose spot welds on inner rear wheel well (1) and cut out (areas B and C).

    IMPORTANT Cut out spot welds through two panel thicknesses (areas C).

  3. Expose spot welds on inner rear wheel well (1) and drill with Ø 6.5 mm bit (area D).
    G15399912Courtesy of MERCEDES-BENZ USA
  4. Expose MIG solder seams on inner rear wheel well (1) and cut (areas E).
  5. Expose spot welds on inner rear wheel well (1) and cut out (areas F and G).

    IMPORTANT Cut out spot welds through two panel thicknesses (areas G).

    G15399913Courtesy of MERCEDES-BENZ USA
  6. Expose self-piercing riveting on inner rear wheel well (1) and drill with Ø 6 mm bit (areas H and I).

    IMPORTANT The self-piercing rivets can also be separated with a riveter for self-piercing and flow-form rivets (area H).

    G15399914Courtesy of MERCEDES-BENZ USA
  7. Heat inner rear wheel well (1) in crosshatched areas.

    IMPORTANT Cross-hatched areas are bonded.

  8. Remove inner rear wheel well (1).
    G15399915Courtesy of MERCEDES-BENZ USA
  9. Grind mating surfaces down to bare metal in the cross-hatched inner C-pillar sidewall.

    IMPORTANT Grind mating surfaces on inside down to bare metal (area J).

    IMPORTANT Sand down spot weld flanges to bare metal on both sides.

  10. Remove grinding dust and drill chips.
  11. Coat insides of spot weld flanges with zinc dust paint.

    NOTES Do not coat bonding surfaces with zinc dust paint (areas K).

    Otherwise adhesion problems may occur.

    IMPORTANT Observe pretreatment of bonding surfaces.