Install main floor, inner longitudinal member and middle crossmember - AR63.40-P-1180-08CW

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.

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1092-02A	Adhesive kit, body, 2-component adhesive	A 009 989 36 71
BR00.45-Z-1001-13A	Blind rivet Ø 6.4 X14	A 003 990 35 97

Dimensions for model 204.0/2/3:

Fig 1: Identifying Main Floor, Inner Longitudinal Member And Middle Crossmember Dimensions (Model 204.0/2)

Courtesy of MERCEDES-BENZ USA

Dimensions for model 204.9:

Fig 2: Identifying Main Floor, Inner Longitudinal Member And Middle Crossmember Dimensions (Model 204.9)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Underfloor, Inner Side Longitudinal Member, Connecting Carrier, Front Crossmember And Rear Crossmember Drill Areas

Courtesy of MERCEDES-BENZ USA

The following steps are shown on model 204.0.

Install underfloor (4), inner side longitudinal member (6), connecting carrier (1), front crossmember (2) and rear crossmember (3), fit and fix in place.
Drill Ø 6.7 mm rivet holes in connecting carrier (1), front crossmember (2), rear crossmember (3) and underfloor (4) (areas A, B, C, D, E, F, G, H and I).
Remove connecting carrier (1), front crossmember (2) and rear crossmember (3).
Drill Ø 6.7 mm rivet holes rivet holes on underfloor (4) (areas J, K and L).
Remove underfloor (4) and inner side longitudinal member (6).
Deburr rivet holes on both sides

Fig 4: Identifying Underfloor Adhesive Rivet Areas
Courtesy of MERCEDES-BENZ USA
Apply 2-component adhesive in cross-hatched areas.
Apply 2-component adhesive from below in area (M).

Refer to the manufacturer's information for the curing and working times of 2-component adhesive.
Install underfloor (4) and inner side longitudinal member (6), fit and fasten with manual temporary fasteners.
Rivet underfloor (4) with Ø 6.4 x14 blind rivets (areas N, O and P).

Fig 5: Installing Connecting Carrier, Front Crossmember And Rear Crossmember
Courtesy of MERCEDES-BENZ USA

On model 204.9 complete all brazed MIG joints on bracket (3).
Apply 2-component adhesive in cross-hatched areas.
Refer to the manufacturer's information for the curing and working times of 2-component adhesive.
Install connecting carrier (1), front crossmember (2) and rear crossmember (3), fit and fix in place with manual temporary fasteners
Rivet connecting carrier (1), front crossmember (2) and rear crossmember (3) with Ø 6.4 x14 blind rivets (areas Q, R, S, T, U, V, W, X and Y).

Fig 6: Identifying Connecting Carrier, Front Crossmember And Rear Crossmember Rivet & Weld Areas
Courtesy of MERCEDES-BENZ USA
Inner side longitudinal member (6), connecting carrier (1), front crossmember (2) and rear crossmember (3) (areas Z, AA and AC).
Inner side longitudinal member (6) (area AB).
Grind weld in area (AB) down flat on contact surface to outer side longitudinal member (7).
Install offset reinforcement (2), fit and fix in place.
Offset reinforcement (2) (areas AD and AE).
Offset reinforcement (2) (areas AF).

Fig 7: Identifying Outer Side Longitudinal Member Rivet Areas
Courtesy of MERCEDES-BENZ USA
Install outer side longitudinal member (7), fit and fix in place.
Drill Ø 6.7 mm rivet holes (areas AG and AH).
Remove outer side longitudinal member (7).
Deburr rivet holes on both sides
Apply 2-component adhesive in cross-hatched areas.
Refer to the manufacturer's information for the curing and working times of 2-component adhesive.
Install outer side longitudinal member (7), fit and fix in place with manual temporary fasteners
Rivet outer side longitudinal member (7) with Ø 6.4 x14 blind rivets (areas AI and AJ).
Outer side longitudinal member (7) (areas AK, AL, AM and AN).
Outer side longitudinal member (7) (area AO).
Outer side longitudinal member (7) (area AP).

Fig 8: Identifying Outer Side Longitudinal Member Rivet & Weld Areas
Courtesy of MERCEDES-BENZ USA