Install and weld in inner C-pillar side wall - AR63.10-P-0700-03SC

Install inner C-pillar (1), outer rear wheel well (3), outer C-pillar (2) and strut (5), fit and fasten with clamping pliers.
Install rear fender, side wall reinforcement (4), trunk lid, right taillamp, left taillamp and rubber seal.
Fit rear fender, trunk lid, right taillamp, left taillamp and check gaps using feeler gauge and adjust.

Fig 1: Identifying Side Wall Reinforcement And Strut Tack Weld (Areas M, N And W)
Courtesy of MERCEDES-BENZ USA
Fasten side wall reinforcement (4) and strut (5) using tack welds (areas M, N and W).
When working on the left side of the vehicle, fit strut (5) with E-net compensator and ensure that hole pattern coincides.
Remove E-net compensator, rear fender, trunk lid, left taillamp and right taillamp.
Drill dia. 6.5 mm rivet holes (area W).
Strut (5) (areas M and N).
Cut tack welds on side wall reinforcement (4) (area W).
Remove side wall reinforcement (4) and outer C-pillar (2).
Level tack weld residues on side wall reinforcement (4) and outer C-pillar (2) (area W).
Deburr rivet holes on side wall reinforcement (4) and outer C-pillar (2) on both sides (area W).
Remove drill shavings using wet/dry vacuum cleaner
Coat insides of riveted joints as well as remaining tacks weld with zinc dust paint.

Fig 2: Identifying Outer Rear Wheel Well And Inner C-Pillar, Deburr Rivet Holes On Both Sides Area (A, C, D And E)
Courtesy of MERCEDES-BENZ USA
Drill dia. 6.5 mm rivet holes (area A, C, D and E).
Remove outer rear wheel well (3) and inner C-pillar (1), deburr rivet holes on both sides (area A, C, D and E).
Thoroughly clean all bonding surfaces and do not coat with zinc dust paint, otherwise adhesion of the 2-component adhesive may be adversely affected.

Observe pretreatment of bonding surfaces. Observe manufacturer's specifications of 2-component adhesive for drying and processing time.
Apply 2-component adhesive to mating surfaces in cross-hatched areas from inside (area F and G).
Apply 2-component adhesive to all other mating surfaces in cross-hatched areas from outside.

Fig 3: Identifying 2-Component Adhesive Mating Surfaces In Cross-Hatched Areas (F And G)
Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Outer Rear Wheel Well And Inner C-Pillar Areas (H, J, K And L)
Courtesy of MERCEDES-BENZ USA
Install outer rear wheel well (3) and inner C-pillar (1) and fasten with manual temporary fasteners and clamping pliers.
Outer rear wheel well (3) and inner C-pillar (1) (area C₁ ).
After cooling off weld, coat with zinc dust paint on both sides (area C₁ ).
Outer rear wheel well (3) and inner C-pillar (1) (areas H, J, K and L).
Rivet outer rear wheel well (3) and inner C-pillar (1) with Polygrip flat/round head rivet, dia. 6.4 x 14 (areas A, C, D and E).

Fig 5: Identifying Outer Rear Wheel Well And Inner C-Pillar Areas (O And P)
Courtesy of MERCEDES-BENZ USA
Outer rear wheel well (3) and inner C-pillar (1) (areas O and P).
Fasten water drain hose (6) with retaining clips.
Apply 2-component adhesive material in cross-hatched areas.

Fig 6: Identifying Water Drain Hose With Retaining Clips
Courtesy of MERCEDES-BENZ USA
Fit outer C-pillar (2) and fasten with clamping pliers.
Outer C-pillar (2) (areas R, T and U).

Fig 7: Identifying Outer C-Pillar Areas (R, T And U)
Courtesy of MERCEDES-BENZ USA
Outer C-pillar (2) (areas S and V).
Install side wall reinforcement (4) and fasten with manual temporary fasteners.
Rivet side wall reinforcement (4) using Polygrip flat/round head rivet, dia. 6.4 x 14 (area W).

Fig 8: Identifying Outer C-Pillar Areas (S And V)
Courtesy of MERCEDES-BENZ USA

Fig 9: Identifying Outer C-Pillar Stitch Welding Area (Y)
Courtesy of MERCEDES-BENZ USA
MIG braze outer C-pillar (2) stitch weld (area Y). Use SG-Cu AL8 brazing material.
For Notes on brazing material:
MIG braze outer C-pillar (2) (areas X and Z). Use SG-Cu AL8 brazing material.
For Notes on brazing material
Rivet outer C-pillar (2) with steel/steel blind rivet, 4.8 x 8 from inside (area Y₁ ).
Level MIG solder connection (areas X and Z).
Remove grinding and drill shavings using wet/dry vacuum cleaner.