Prepare B-pillar for installation - AR63.20-P-1350-07EW

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MODEL 212

Fig 1: Outer B-Pillar Separation Points (Areas S, T And U)

Courtesy of MERCEDES-BENZ USA

Scribe separation points on outer B-pillar (1) (areas S, T and U).
Transfer dimensions from vehicle.
Separate outer B-pillar (1) from separation points (areas S, T and U).

Fig 2: Outer B-Pillar Separation Points (Area X)

Courtesy of MERCEDES-BENZ USA

Scribe separation point on outer B-pillar (1) (area X).
On vehicles with removed panoramic roof, the separation point or cut in the X area is not required.
Separate outer B-pillar (1) from cutting point (area X).
On vehicles with removed panoramic roof, the separation point or cut in the X area is not required.
Grind mating surfaces down to bare metal on outer B-pillar (1) in crosshatched areas.
Grind spot weld flanges down to bare metal on both sides.
Coat insides of spot weld flanges with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas V and W).

Observe pre-treatment of bonding surfaces.

Fig 3: Inner B-Pillar Spot Weld Areas

Courtesy of MERCEDES-BENZ USA

Drill out spot welds on inner B-pillar (2) (areas A, B, Y and Z).
Drill out spot welds in areas A, B and Z Only when installing inner B-pillar (2) without side longitudinal member (3).
Cut out spot welds in inner B-pillar (2) (areas Y₁ , Y₂ , Z₁ and Z₂ ).
Cut out spot welds on inside of inner B-pillar (2).

Cut out spot welds in areas Z₁ and Z₂ only when installing inner B-pillar (2) without side longitudinal member (3).
Heat inner B-pillar (2) in crosshatched areas (areas C and D).
Only when installing inner B-pillar (2) without side longitudinal member (3) (area D).

Crosshatched areas are bonded.
Remove inner B-pillar (2).

Fig 4: Grinding Inner B-Pillar In Crosshatched Areas

Courtesy of MERCEDES-BENZ USA

Grind inner B-pillar (2) down to bare metal in crosshatched areas.
Grind spot weld flanges down to bare metal on both sides.

Only when installing inner B-pillar (2) without side longitudinal member (3) (area H).
Coat insides of spot weld flanges with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas E, F, G and H).

Only when installing inner B-pillar (2) without side longitudinal member (3) (area H).

Observe pre-treatment of bonding surfaces.

Perform following steps 13, 14, 15, 16 and 17 only when installing inner B-pillar (2) with side longitudinal member (3).

Fig 5: Inner B-Pillar With Side Longitudinal Member Separation Points

Courtesy of MERCEDES-BENZ USA

Scribe separation points on inner B-pillar (2) with side longitudinal member (3) at Y-markings (arrows) (areas I and J).
Cut inner B-pillar (2) with side longitudinal member (3) at separation points (areas I and J).
Remove inner B-pillar (2) with side longitudinal member (3)

Fig 6: Grinding Inner B-Pillar With Side Longitudinal Member Crosshatched Areas

Courtesy of MERCEDES-BENZ USA

Grind mating surfaces on inner B-pillar (2) with side longitudinal member (3) down to bare metal in crosshatched areas.
Grind spot weld flanges down to bare metal on both sides.
Coat insides of spot weld flanges with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas K and L).

Observe pre-treatment of bonding surfaces.