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Home >> Mercedes Benz >> 2021 >> C63 AMG 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Rear Wall & Rear End >> Rear Wall And Rear End Body Repair >> Partially Remove Rear Longitudinal Member - Ar64.20-P-1260-01W

Partially Remove Rear Longitudinal Member - Ar64.20-P-1260-01W

DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-1A
DANGER Risk of explosion  from aluminum grinding Dust, risk of injury to respiratory system from inhaling Dust Wear dust filter mask, safety glasses, and protective gloves.
Use a suitable, grounded dust extraction system.
AS60.00-Z-0007-01N
WARNING Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
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-0017-007
  General information on body repair   AH6n.00-p-0001-01KOA
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Pretreatment of bonding surfaces   AH6n.00-p-0008-nisx
  General information on crack diagnosis of aluminum parts   AH6n.00-p-00i4-niN
  Note on working on aluminum components and vehicles   AH6n.00-p-0034-niLW

Model 205 

Model 238 

REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-i056-07A 1K-zinc dust paint a 000 986 98 00

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

IMPORTANT The following repair materials must be used:

  1. Expose spot welds on rear-end floor (1) and cut out (areas A and B).

    IMPORTANT Cut out spot welds through two sheet metal thicknesses (area B).

  2. Expose self-piercing riveting on rear-end floor (1) with Ø 6 mm bit (areas C).
  3. Expose impact spikes on rear-end floor (i) and cut out (area J).
    G15021155Courtesy of MERCEDES-BENZ USA
  4. Expose spot welds on rear-end floor (1) and rear longitudinal member (2) and cut out (areas D).
  5. Expose self-piercing riveting on rear longitudinal member (2) and drill with Ø 6 mm (area E).
  6. Expose impact spikes on rear longitudinal member (2) and cut out (area H).
    G13023491Courtesy of MERCEDES-BENZ USA
    G13023492Courtesy of MERCEDES-BENZ USA
  7. Heat rear-end floor (1) and rear longitudinal member (2) in cross-hatched areas.

    IMPORTANT Cross-hatched areas are bonded with adhesive.

  8. Remove rear-end floor (1) with rear longitudinal member (2).
    G13023493Courtesy of MERCEDES-BENZ USA
  9. Grind mating surfaces down to bare metal in cross-hatched areas.

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

    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 G and F).

    Otherwise adhesion problems may occur.

    IMPORTANT Observe pretreatment of bonding surfaces.