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Home >> Mercedes Benz >> 2018 >> G550 >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 463 Chassis (2 Of 3) >> Testing & Repair >> (Remove/Install Front Seat (Seat Backrest) Adjusting Motors - AR91.29-P-1430G)

(Remove/Install Front Seat (Seat Backrest) Adjusting Motors - AR91.29-P-1430G)

Model 463 

up to model year 2000 

with code SB5 (Electrically adjustable left front seat) 

with code SB6 (Electrically adjustable right front seat) 

G13670529Courtesy of MERCEDES-BENZ USA
G13670530Courtesy of MERCEDES-BENZ USA
G13670531Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Drill out rivet connecting seat cushion frame bracket to seat frame base (arrow) IMPORTANT To drill out the rivet, move front seat back to end stop.  
  Risk of explosion  from explosive gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury  through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries No fires, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
2 Disconnect ground line from battery Model 463.202/237/346 up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
Model 463.204/206/207/208/209/220/221/222/224/225/227/228/230/231/232/233/240/243/244/245/246/247/249/250/254/270/271/300/303/304/306/307/308/309/320/321/322/323/324/325/327/328/330/331/332/333/336/340/341
up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
Model 463.236
up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
except code 979 (Special protection MB Guard)
Model 463.241/248
up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
except code 979 (Special protection MB Guard)
Model 463.241
up to model year 2000
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
with code ZS4 (Special protection version FB4)
AR54.10-P-0003G
  Notes on battery   AH54.10-P-0001-01A
    Model 463.241
up to model year 2000
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
with code ZS6 (Special protection version FB6)
Model 463.241
up to model year 2000
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
with code ZS7 (Special protection version FB7)
AR54.10-P-0003PV
3 Remove drive for seat height adjustment Model 463.200/204/206/207/208/209/220/221/224/225/227/228/230/231/232/233/240/241/300/304/307/308/320/321/324/325/327/328/330/331
up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
AR91.29-P-1421G
4 Remove seat adjustment switch unit from front seat Model 463.200/204/206/207/208/209/220/221/224/225/227/228/230/231/232/233/240/241/300/304/307/308/320/321/324/325/327/328/330/331
up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
AR91.29-P-0003G
5 Remove switch for multicontour seat Model 463.200/204/206/207/208/209/220/221/224/225/227/228/230/231/232/233/240/241/300/304/307/308/320/321/324/325/327/328/330/331 up to model year 2000
with code SB5 (Electrically adjustable left front seat)
with code SB6 (Electrically adjustable right front seat)
with code SK2 (Left electrically adjustable front seat with orthopedic backrest)
with code SK3 (Right electrically adjustable front seat with orthopedic backrest)
AR91.25-P-1720G
6 Remove the seat cushion IMPORTANT Disconnect front seat heater pad electrical connector (R13/1x1 left, R13/3x1 right). Pull electric line of seat occupancy recognition from rubber grommet.  
7 Remove screws from seat backrest cover (1) and remove cover (2).    
8 Remove screws (3) at front seat (seat backrest) adjustment electric motor at left and right (M25m5, M26m5) IMPORTANT Push in padding of seat backrest; remove screws.  
9 Remove front seat (seat backrest) adjustment electric motor at left and right (M25m5, M26m5) and remove electric line from plug housing IMPORTANT Mark before removing to prevent mixing them up.
The head restraint motor electric line is coupled with the electric line of the front seat (seat backrest) adjustment electric motor in a plug housing. Remove electric lines from plug housing.
 
10 Remove plastic grommet (6)    
11 Remove front seat (seat backrest) adjustment electric motor at left and right (M25m5, M26m5) with electric line IMPORTANT Disconnect cable tie and pull electric line out of backrest.  
12 Install in the reverse order    
13 Check function of multicontour seat IMPORTANT See owner's manual.