Partially remove upper front longitudinal member - AR62.20-P-1287-01EW

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.

Fig 1: Identifying Upper Front Longitudinal Member Separation Point, Spot Welds & Bonded Areas

Courtesy of MERCEDES-BENZ USA

Dimension:

Scribe separation point on upper front longitudinal member (1) (area A).
Cut upper front longitudinal member (1) at separation point (area A).
Do not damage components below.
Expose spot welds on upper front longitudinal member (1) (areas B and C).
Cut out spot welds on upper front longitudinal member (1) (areas B and C).
Heat upper front longitudinal member (1) in crosshatched areas.
Cross-hatched areas are bonded.
Remove damaged front upper longitudinal member (1).
Grind mating surfaces on body down to bare metal in cross-hatched areas.
Grind spot weld flanges down to bare metal on both sides.
Remove shavings and drill chips.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas B₁ and C₁ ).

Observe pretreatment of bonding surfaces.

Fig 2: Identifying Upper Front Longitudinal Member Mating Surfaces
Courtesy of MERCEDES-BENZ USA