Inner A-Pillar Reinforcement Partial Weld In - Ar63.20-S-1109-03E

Model 447, 448 

Fig 1: Identifying Side Portal Frame (210 589 17 23 00)

Courtesy of MERCEDES-BENZ USA

1. Install inner A-pillar reinforcement (2), fit and fix in place with side portal frame and welding device.
2. Drill rivet holes on inner A-pillar reinforcement (2) with Ø 6.5 mm (area A).
3. Remove inner A-pillar reinforcement (2) and welding device.
4. Deburr rivet holes on both sides.
5. Coat insides of riveted joints and rivet holes with zinc dust paint.

   Courtesy of MERCEDES-BENZ USA

   Courtesy of MERCEDES-BENZ USA

6. Install A-pillar reinforcement (2), fit and fix in place with welding device.
7. Bend over sheet metal lug on inner A-pillar reinforcement (2) (area B).
8. Inner A-pillar reinforcement (2) (areas B to E).
9. Inner A-pillar reinforcement (2) (areas F and G).
10. Rivet inner A-pillar reinforcement (2) with Polygrip Ø 6, 4x14 countersunk head rivet (area H).
11. Grind inert gas welds down flat.
12. Clean weld joints.
13. Remove shavings and drill chips.
14. Apply zinc dust paint to weld joints (areas B to E).