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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Front End And Fire Wall (177 Chassis) >> Front End And Fire Wall Body Repair >> Install And Weld In Longitudinal Member Front Section - Ar62.20-P-1260-07MFA

Install And Weld In Longitudinal Member Front Section - Ar62.20-P-1260-07MFA

Model 118.3/6 

Model 177.0/1/9 

Model 247.0 

REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1012-13A Blind rivet Y2 6.5 x 12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN) A 004 990 16 97
BR00.45-Z-1056-07A 1K-zinc dust paint A 000 986 28 00

IMPORTANT The next steps are shown on the left side of the vehicle. This must be similarly performed for damage to the right side.

Further information can be found in the superordinate service document.

Comply with safety information in superordinate customer service document.

  1. Install, fit, and fix longitudinal member front section (1) in place using straightener.

    IMPORTANT Use spacers.

  2. Drill rivet holes in longitudinal member front section (1) with Ø 6.7 mm bit from outside through existing holes in body (area D4 ).
  3. Remove longitudinal member front section (1) using straightener.
  4. Deburr rivet holes in longitudinal member front section (1) and body on both sides.
  5. Remove drill chips.
  6. Coat insides of riveted joints with zinc dust paint.
    G15489377Courtesy of MERCEDES-BENZ USA
  7. Install, fit, and fix longitudinal member front section (1) in place using straightener.

    IMPORTANT Use spacers.

  8. Longitudinal member front section (1) with Ø 6.5x12.5 mm rivets (area E1 ).
  9. Longitudinal member front section (1) POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas E2 and E3 ).
  10. Longitudinal member front section (1) SHIELDED GAS PLUG WELD (area F4 ).
    G15489378Courtesy of MERCEDES-BENZ USA
  11. Longitudinal member front section (1) SHIELDED GAS SEAM WELD (area D1 ).

    IMPORTANT Perform inert gas welding at intervals and allow welding area to cool down in between so as to reduce heat distortion.

  12. Take off the straightener.
G15489379Courtesy of MERCEDES-BENZ USA