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Home >> Mercedes Benz >> 2002 >> S430 >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Seats, Restraint Systems -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Checking structure of backrest frame - AR91.10-P-3336N

Checking structure of backrest frame - AR91.10-P-3336N

MODEL 215 

If emergency tensioning retractors have been triggered 

Fig 1: Identifying Backrest Frame Components
G04851720
Fig 2: Identifying Sensor For Vehicle Sensitive Seatbelt Lock
G04851721
INSPECT Inspecting     
1 Check seatbelts for damage   AP91.40-P-9150M
NOTES Evaluation of airbag and emergency tensioning retractors on accident vehicles   AH91.00-P-0006-01B
2 Check seat frame   AR91.10-P-3335N 
3 Remove rear seat cushion   AR91.12-P-1020N 
4 Replace vehicle-sensitive seatbelt lock sensor (A60) with new part below rear seat    
5 Remove driver's seat cushion   AR91.10-P-1070N 
6 Remove cover from seat backrest   AR91.18-P-1820N 
7 Check seat structure of backrest frame (3) for deformation and cracks and check cross member (2) for sag IMPORTANT Cracks in area of welds (arrows).
If backrest frame (3) is deformed or cracked or cross member (2) bent:
cross member (2) :↓
 
    Replace backrest frame (3). AR91.10-P-1450N 
8 Install driver's seat cushion   AR91.10-P-1070N 
9 Install cover on seat backrest   AR91.18-P-1820N 
10 Check function of microswitch for checking backrest lock via STAR DIAGNOSIS    
11 Check active automatic child seat recognition (ACSR) via STAR DIAGNOSIS