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Home >> Mercedes Benz >> 2021 >> GT 43 AMG >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems (2 Of 3) -- 290 Chassis >> Testing & Repair >> Remove/Install Front Seat Belt - AR91.40-P-1010FR

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

Model 257, 290 

G16556513Courtesy of MERCEDES-BENZ USA

Shown on model 257 on the right side of the vehicle 

WARNING Risk of injury  during testing and repair operations related to pyrotechnical 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 Remove B-pillar trim.   AR68.30-P-4700FR
2 Disconnect ground line from on-board electrical system battery.   AR54.10-P-0003FR
3 Remove bolt (2) and remove seat belt guide bracket (3) from seat belt height adjuster (1). TORQUE SPECIFICATION Bolt, front belt guide bracket *BA91.40-P-1002-01U 
4 Disconnect electrical connector (5). SPECIAL TOOL Removal lever Fig 1
5 Unclip retaining clip (8). SPECIAL TOOL Clip remover Fig 2
6 Disconnect electrical connector of driver belt force limiter or front passenger belt force limiter. Model 257, 290
with code 460 (Canada version)
Model 257, 290
with code 494 (US version)
Model 257, 290
with code 498 (Japanese version)
 
7 Unscrew screw (4). TORQUE SPECIFICATION Bolt, front seat belt retractor *BA91.40-P-1001-01U 
8 Unscrew bolt (7). TORQUE SPECIFICATION Bolt, front seat belt retractor *BA91.40-P-1001-01U 
9 Remove reversible belt tensioner at front (A76, A76/1) or from B-pillar.    
10 Disconnect electrical connector (6) and remove reversible belt tensioner at front (A76, A76/1) with seat belt.    
11 Dispose of removed reversible belt tensioner at front (A76, A76/1) in proper manner. When replacing front reversible emergency tensioning retractor (A76, A76/1).  
12 Install in the reverse order.    
13 Commission PRE-SAFE® system using vehicle diagnosis system. When replacing front reversible emergency tensioning retractor (A76, A76/1).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
14 Check seat belt slack reduction for proper operation. If the seat belt slack reduction function is not activated in the instrument cluster,

activate the function in the instrument cluster.
 
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 257 Model 290
BA91.40-P-1001-01U Bolt, front seat belt retractor Nm 35 35
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 257 Model 290
BA91.40-P-1002-01U Bolt, front belt guide bracket Nm 35 35
Fig 1: Identifying Removal Lever (203 589 04 33 00)
G16555909Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Clip Remover (452 589 01 63 00)
G16555882Courtesy of MERCEDES-BENZ USA