LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2008 >> C350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 154 (Side Wall -- C300 (204.054)) >> Testing & Repair >> Partially replace outer side longitudinal member - AR63.30-P-1050CW >> Install and weld in outer side longitudinal member - AR63.30-P-1050-03CW

Install and weld in outer side longitudinal member - AR63.30-P-1050-03CW

WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install outer side longitudinal member (1), fit and fix in place.
  2. Drill rivet holes on outer side longitudinal member (1) and longitudinal member outer shell (2) with 020 BTR-Usibor Ø 6.7 mm drill (area A).
  3. Remove outer side longitudinal member (1).
  4. Deburr rivet holes on both sides
  5. Remove drill shavings using wet/dry vacuum cleaner
  6. Coat insides of riveted joints with zinc dust paint.
    Fig 1: Identifying Outer Side Longitudinal Member And Longitudinal Member Outer Shell Rivet Hole Area
    G07524698Courtesy of MERCEDES-BENZ USA
  7. Install outer side longitudinal member (1), fit and fix in place.
  8. Weld in outer side longitudinal member (1) with POLARIZATION RESISTANCE SINGLE-ROW SPOT WELD (areas B and C).

    NOTES The new spot welds must be positioned at exactly the same position as the previous spot welds, because these areas were glued at the factory. Otherwise the required minimum strength of the weld joint is not ensured.

  9. Rivet outer side longitudinal member (1) with Polygrip flat/round head rivet, Ø 6.4 x14 (area A).
    Fig 2: Identifying Outer Side Longitudinal Member Rivet & Weld Areas
    G07524699Courtesy of MERCEDES-BENZ USA
  10. Weld in outer side longitudinal member (1) with SHIELDED GAS SEAM WELD (areas D, E and F).
    Fig 3: Identifying Weld Areas On Outer Side Longitudinal Member
    G07524700Courtesy of MERCEDES-BENZ USA
  11. Grind MIG welds on outer side longitudinal member (1) down flat in cross-hatched areas.
  12. Clean weld joints.
  13. Solder surface on outer side longitudinal member (1) in area of inert gas welds with body solder and smooth.
  14. Remove sanding dust using wet/dry vacuum cleaner.
    Fig 4: Identifying Grinding Areas On Outer Side Longitudinal Member
    G07524701Courtesy of MERCEDES-BENZ USA