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Home >> Mercedes Benz >> 2023 >> GLS63 AMG >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 167 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Front Seat Head Restraint Motor - AR91.29-P-1432ME

Remove/Install Front Seat Head Restraint Motor - AR91.29-P-1432ME

Model 167 

with code 254 (Seat with el. cushion length and headrest adjustment without memory) 

Model 167 

with code 275 (Memory Package (driver's seat, steering column and mirror)) 

Fig 1: Front Seat Head Restraint Motor Components Location - Model 167 With Code 254; 275
G14786400Courtesy of MERCEDES-BENZ USA
G14786401Courtesy of MERCEDES-BENZ USA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Remove left or right head restraint from front seat.   AR91.16-P-0040ME 
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3 Release electrical connector (1) and disconnect.    
4 Expose electrical wiring harness (2) and release from seat backrest (3).    
5 Remove right lock (4). IMPORTANT The left lock remains on the seat backrest (3).  
6 Move seat adjustment motor for head restraint adjustment, driver's seat (M27/4) or seat adjustment motor for head restraint adjustment, front passenger seat (M28/4) in direction of arrow and remove.    
7 Install in the reverse order.