Replace crossmember below front seat - AR63.40-P-1191MCC

MODEL 451.3/4 

Crossmember below front seat top section 

Illustrated on model 451.4 

Fig 1: Identifying Crossmember Below Front Seat

Courtesy of MERCEDES-BENZ USA

	Removing
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Pretreatment of bonding surfaces		AH60.00-P-0008-01MCC
	General information on riveting		AH60.00-P-0003-01MCC
	Notes on replacing body parts		AH60.00-P-0027-01FF
	General information on repairs to body		AH60.00-P-0001-01FF
	Generally conventional tools are required for body work, additional tools required are listed above.	Pneumatic/hydraulic blind rivet tool
	The repair method using riveting described here can be replaced by plug welding if required. Adapt preparatory work accordingly.
1	Remove detachable parts in the repair area
2	Cover all detachable parts remaining in vehicle (area to be repaired)	Use fireproof tarp to avoid damage from flying sparks.
3	Partially remove side wall paneling	On model 451.3	AR63.10-P-0115MCC
		On model 451.4	AR63.10-P-0115MCO
4	Partially remove side wall reinforcement		AR63.20-P-0862MCC
5	Remove rear lamp insert	On model 451.3	AR64.20-P-1061MCC
		On model 451.4	AR64.20-P-1061MCO
6	Remove B-pillar reinforcement	On model 451.3	AR63.20-P-1351MCC
		On model 451.4	AR63.20-P-1351MCO
7	Remove rear wheel well		AR63.10-P-0661MCC
8	Remove B-pillar inner section		AR63.20-P-1355MCC
9	Partially remove outer longitudinal member inner shell on entrance	According to damage profile	AR63.30-P-1143MCC
10	Remove crossmember below front seat (1)		AR63.40-P-1190-01MCC
11	Prepare connecting points for crossmember below front seat (1) on body		AR63.40-P-1190-04MCC
12	Prepare crossmember below front seat (1) for installation		AR63.40-P-1190-02MCC
	Install
13	Install crossmember below front seat (1)	The repair method using bonding described here is not required for reasons of strength and can be eliminated. To ensure corrosion protection, it is necessary to apply a seam sealant.	AR63.40-P-1190-03MCC
		Rivet	*BR00.45-Z-1001-13A
		Adhesive	*BR00.45-Z-1092-02A
14	Partially install longitudinal member inner shell on entrance	According to damage profile	AR63.30-P-1143MCC
15	Install B-pillar inner section		AR63.20-P-1355MCC
16	Install rear wheel well		AR63.10-P-0661MCC
17	Install B-pillar reinforcement	On model 451.3	AR63.20-P-1351MCC
		On model 451.4	AR63.20-P-1351MCO
18	Install rear lamp insert	On model 451.3	AR64.20-P-1061MCC
		On model 451.4	AR64.20-P-1061MCO
19	Install side wall reinforcement		AR63.20-P-0862MCC
20	Install side wall paneling	On model 451.3	AR63.10-P-0115MCC
		On model 451.4	AR63.10-P-0115MCO
21	Clean weld joints and sheet metal flange using a shank brush and clean repair areas.
22	Prime area to be repaired using primer filler
23	Supply standard seam seals with body sealant		AR97.10-P-4000MCC
		Sealant	*BR00.45-Z-1003-01A
24	Supplement standard underbody protection with permanent underbody sealant	Underfloor protection	*BR00.45-Z-1001-05A
25	Paint area repaired and adjacent surfaces
	Notes on paintwork repairs		AH98.00-P-9408-02MCC
26	Apply additional cavity preservation		AR97.20-P-1500FF
		Teroson protective wax	*BR00.45-Z-1008-05A
27	Reinstall all detachable parts removed