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Home >> Smart >> 2017 >> Fortwo Electric Drive, 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Seats, Bunks, Restraint Systems - 453 Chassis >> Testing & Repair >> Remove/Install Seat Belt With Emergency Tensioning Retractor - AR91.40-P-0630SRA

Remove/Install Seat Belt With Emergency Tensioning Retractor - AR91.40-P-0630SRA

MODEL 453.3/4 

MODIFICATION NOTES

02.11.2017 Remove seat belt end fitting from front seat, added. Operation step variant 3.2  

Shown on vehicle except code 460 (Canada version) and except code 494 (USA version) 

G12097244Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  during testing and repair operations related to pyrotechnical components Do not expose pyrotechnical components to temperatures above 100 °C or 212 °F.
Disconnect current supply when working on such components.
AS91.00-Z-0008-01A 
CAUTION Risk of injury  . Injury may result when the tension in the spring in the automatic belt retractor is released. Never disassemble automatic belt retractors. AS91.00-Z-0002-01A 
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Information, assessment and legal requirements when working with, handling and storing pyrotechnical components   AH91.00-Z-0000-10A 
REMOVINGINSTALLING Remove/install     
1 Disconnect battery ground line   AR54.10-P-0003SR
2 Remove left and right side paneling in trunk Model 453.3 AR68.30-P-4800SRA
Model 453.4 AR68.30-P-4800SRC
3.1 Remove screw/bolt (1) from belt end fitting Model 453.3/4 except code 460 (Canada version) except code 494 (US version)
TORQUE SPECIFICATION Bolt, belt end fitting to B-pillar
*BA91.40-P-1004-01SR 
3.2 Remove belt end fitting from front seat Model 453.3/4 with code 460 (Canada version)
Model 453.3/4 with code 494 (US version)
INSTALLATION IMPORTANT : Check for correct routing of seat belt (3) and seat belt end fitting.
Check lock of buckle in seat belt end fitting.
AR91.40-P-1030-02SR 
4 Remove screw/bolt (2) from belt guide bracket TORQUE SPECIFICATION Bolt, belt guide bracket to B-pillar *BA91.40-P-1005-01SR 
5 Disconnect electrical connector (4) at left front emergency tensioning retractor squib (R12/53) or right front emergency tensioning retractor squib (R12/54)    
6 Remove screw/bolt (5) and take out seat belt with emergency tensioning retractor (3) TORQUE SPECIFICATION Bolt, seat belt retractor to B-pillar *BA91.40-P-1001-01SR 
7 Install in the reverse order    
INSPECT Check     
8
REFER TO SELF-DIAGNOSTIC SYSTEMS
Check supplemental restraint system using diagnostic system   AD00.00-P-2000-06SR
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 453.3 Model 453.4
BA91.40-P-1001-01SR Bolt, seat belt retractor to B-pillar Nm 21 21
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 453.3 Model 453.4
BA91.40-P-1004-01SR Bolt, belt end fitting to B-pillar Nm 21 21
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 453.3 Model 453.4
BA91.40-P-1005-01SR Bolt, belt guide bracket to B-pillar Nm 21 21