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Home >> Mercedes Benz >> 2017 >> GLS550 >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 166 Chassis 2 Of 3 >> Testing & Repair >> Remove/Install Front Seat - AR91.10-P-1000GQ

Remove/Install Front Seat - AR91.10-P-1000GQ

Model 166, 292 

Shown on right front seat in MODEL 166 

Fig 1: Front Seat Components Location - Model 166 (Right Side Shown)
G14139438Courtesy of MERCEDES-BENZ USA

Shown on left front seat in MODEL 166 with CODE 494 (USA version) 

G14139439Courtesy of MERCEDES-BENZ USA

Shown on right front seat in MODEL 166 except CODE 494 (USA version) 

Fig 2: Front Seat Components Location - Model 166 Except Code 494 (Right Side Shown)
G14139440WARNINGWARNINGREMOVINGINSTALLINGTORQUE SPECIFICATIONINSTALLATION IMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONINSTALLATION IMPORTANTNOTESSPECIAL TOOLIMPORTANTINSTALLATION IMPORTANTCourtesy of MERCEDES-BENZ USA
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 
WARNING Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
Notes on performing repair, body work and welding on vehicles with airbags and RTE units   AH91.00-P-0002-01M
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 Move front seat forward (1) and retract head restraint    
2 Remove cover (2)   AR91.10-P-1200GQ 
3 Remove screw (5) Model 166 with code 494 (US version)
Model 292 with code 494 (US version)
 
    TORQUE SPECIFICATION Bolt, locking plate on belt end fitting/tensioner *BA91.40-P-1002-01R 
4 Remove tab washer (4) Model 166 with code 494 (US version)
Model 292 with code 494 (US version)
 
5.1 Pull seat belt (6) toward front (arrow) out of guide at front seat (1) Model 166 with code 494 (US version)
Model 292 with code 494 (US version)
INSTALLATION IMPORTANT Do not twist seat belt (6).
 
5.2 Remove screw/bolt from belt end fitting (1c) and remove belt end fitting (1c) Model 166 except code 494 (US version)
Model 292 except code 494 (US version)
INSTALLATION IMPORTANT Do not twist seat belt (6).
 
    TORQUE SPECIFICATION Bolt, belt end fitting/tensioner on front seat *BA91.40-P-1001-01R 
6 Remove rear screws/bolts (3) from front seat (1) TORQUE SPECIFICATION Screw/bolt, seating mounting bracket to vehicle floor *BA91.10-P-1001-01L 
7 Move front seat (1) far enough to rear until the front screws/bolts (7) are accessible    
8 Remove front screws/bolts (7) from front seat (1) M Screw/bolt, seating mounting bracket to vehicle floor *BA91.10-P-1001-01L 
9 Remove cover (8) from guide rail   AR91.10-P-1200GQ 
10 Disconnect battery ground line   AR54.10-P-0003GZ
11 Disconnect electrical connectors from electrical wiring harnesses (10) at front seat (1)    
12 Unclip electrical wiring harnesses (10) from front seat (1) INSTALLATION IMPORTANT Ensure that retaining clip (9) is correctly seated and the electrical wiring harnesses (10) are correctly routed.  
13 Disconnect pneumatic line from bottom of front seat (1) Model 166, 292 with code 399 (Multicontour front seats with massage function)
NOTES Carefully detach pneumatically line. Danger of breakage.
 
14 Cover center console, door sill and steering wheel SPECIAL TOOL Cover Fig 3
15 Remove front seat (1) from the vehicle through the door cutout for the front door IMPORTANT Helper required.
INSTALLATION IMPORTANT Check that the lock pin for the guide rail is correctly seated in the vehicle floor.
 
16 Put down front seat (1) and secure it against tipping over    
17 Install in the reverse order    
FRONT SEATS

Number Designation Model 166 Model 292
BA91.10-P-1001-01L Screw/bolt, seating mounting bracket to vehicle floor Nm 50 50
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 166 Model 292
BA91.40-P-1001-01R Bolt, belt end fitting/tensioner on front seat Nm 35 35
SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number Designation Model 166 Model 292
BA91.40-P-1002-01R Bolt, locking plate on belt end fitting/tensioner Nm 4 4
Fig 3: Identifying Cover (000 588 08 98 00)
G09978172Courtesy of MERCEDES-BENZ USA