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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 205 Chassis 2 Of 3 >> Testing & Repair >> Remove/Install Seat Belt/Front Seat >> Remove/Install Seat Belt/Front Seat - AR91.40-P-1010CLW

Remove/Install Seat Belt/Front Seat - AR91.40-P-1010CLW

Model 205.3 

with code 299 (PRE-SAFE®) 

Fig 1: Seat Belt/Front Seat Components Location - Model 205.3 With Code 299
G14197793Courtesy of MERCEDES-BENZ USA

Shown on left side of vehicle 

WARNING Risk of injury  during testing and repair operations related to pyrotechnicall components Do not expose pyrotechnical component parts to temperatures above 100 °C or 212 °F. Disconnect current supply when working on such component parts. 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
Topical note 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 Perform initial startup of seat belt retractor with reversible emergency tensioning retractor (6) If the seat belt retractor with reversible emergency tensioning retractor (6) is replaced  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove B-pillar paneling   AR68.30-P-4700CLW
3 Disconnect battery ground line   AR54.10-P-0003LW
4 Remove screws/bolts (1) and remove the bracket (2) TORQUE SPECIFICATION Bolt, front belt guide bracket *BA91.40-P-1002-01U 
5 Disconnect electrical connector (3)    
6 Unscrew screw/bolt (4) TORQUE SPECIFICATION Bolt, front seat belt retractor *BA91.40-P-1001-01U 
7 Remove screw/bolt (5) TORQUE SPECIFICATION Bolt, front seat belt retractor *BA91.40-P-1001-01U 
8 Remove seat belt retractor with reversible emergency tensioning retractor (6) from B-pillar    
9 Unclip electrical line (8) (arrow) SPECIAL TOOL Clip remover Fig 2
10 Disconnect electrical connection (9)    
11 Dispose of removed belt retractor with reversible emergency tensioning retractor (6) properly When replacing belt retractor with reversible emergency tensioning retractor (6).  
12 Install in reverse order    
13 Check seat belt slack reduction    
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 205.3
BA91.40-P-1001-01U Bolt, front seat belt retractor Nm 30
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 205.3
BA91.40-P-1002-01U Bolt, front belt guide bracket Nm 30
Fig 2: Identifying Clip Remover (452 589 01 63 00)
G14197794Courtesy of MERCEDES-BENZ USA