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Home >> Mercedes Benz >> 2013 >> S550 Base >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 221 Chassis - 3 Of 4 >> Testing & Repair >> Remove/install rear seat belts >> Remove/install rear seat belts - AR91.40-P-0681SX

Remove/install rear seat belts - AR91.40-P-0681SX

MODEL 221.0/1 

Fig 1: Identifying Rear Seat Belts Remove/Install Components
G10129835Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by performing testing or repair work on airbag or emergency tensioning retractor units. Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply. AS91.00-Z-0001-01A
DANGER Risk of injury  caused by release of spring in the automatic belt retractor is released. Never disassemble automatic belt retractors. AS91.00-Z-0002-01A
NOTES Notes on performing repair, body work and welding on vehicles with airbags and ETR units   AH91.00-P-0002-01M
IMPORTANT Assessment of airbag and belt tensioner units in accident vehicles   AH91.00-P-0006-01B
IMPORTANT Legal requirements on handling and storing airbags and emergency tensioning retractor units   AH91.00-P-0004-01A
1 Remove paneling on C-pillar Vehicles without code (Z07) Top protection AR68.30-P-4490SX
Vehicles with code (Z07) Top protection AR68.30-P-4490SXS
2 Connect ground line to starter battery and to on-board electrical system battery   AR54.10-P-0003SX
3 Remove rear shelf Vehicles without code (Z07) Top protection AR68.30-P-4580SX
Vehicles with code (Z07) Top protection AR68.30-P-4580SXS
4 Remove bolt (2) from belt guide (7) TORQUE SPECIFICATION *BA91.40-P-1009-01O 
5 Remove bolt (3) on seat belt guide bracket TORQUE SPECIFICATION *BA91.40-P-1005-01O 
6 Remove bolt (4) on automatic belt retractor (1) TORQUE SPECIFICATION *BA91.40-P-1006-01O 
7 Detach electrical connector (5) and left rear ETR squib connector (R12/6x1) or right rear ETR squib connector (R12/7x1) on automatic belt retractor (1)    
8 Detach seat belt (6) from belt guide (7) and remove automatic belt retractor (1) INSTALLATION IMPORTANT Observe different versions for left and right automatic belt retractors (1), do not install seat belt (6) when twisted. Insert catch (arrow) on automatic belt retractor (1) correctly into C-pillar.
If the automatic belt retractor (1) is replaced, the faulty automatic belt retractor (1) must be disposed of properly.
Refer to: ↓
 
REFER TO FORMS   Notes on disposing of airbag and emergency tensioning retractor units OS91.00-P-0001-01A
9 Install in the reverse order    
10.1 Check supplemental restraint system (SRS) with STAR DIAGNOSIS After replacing the automatic belt retractor (1).  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 221
BA91.40-P-1005-01O Screw in rear upper belt guide fitting Nm 32
BA91.40-P-1006-01O Bolt to rear inertia reel Nm 32
BA91.40-P-1009-01O Bolt for automatic belt run control at rear Nm 8