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Home >> Mercedes Benz >> 2021 >> GT 43 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats, Bunks, Restraint Systems (2 Of 3) -- 290 Chassis >> Testing & Repair >> Remove/Install Front Seat Head Restraint Adjustment Motor - AR91.29-P-1432FR

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

Model 257 

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

Model 290 

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

except code 555 (AMG-Performance Seat) 

Shown on model 257 

Fig 1: Front Seat Head Restraint Adjustment Motor Components Location - Model 290 With Code 275 Except Code 555 (Shown On Model 257)
G16556489Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
REMOVINGINSTALLING Remove/install     
1 Remove head restraint from front seat.   AR91.16-P-0040FR 
2 Disconnect electrical connector (1).    
3 Expose the electrical wiring harness (2).    
4 Unlock lock (3) using extraction hook (4), move head restraint adjustment seat adjustment motor (M27/4, M28/4) in direction of arrow and remove. SPECIAL TOOL Extraction hook Fig 2
5 Install in the reverse order    
Fig 2: Identifying Extraction Hook (140 589 02 33 00)
G16164736Courtesy of MERCEDES-BENZ USA