Remove/install front seat head restraint motor

AR91.29-P-1432NKB

Remove/install front seat head restraint motor

28.07.2020

Model

117

up to model year 2013

with code 241 (Memory switch for electrically adjustable front passenger seat, left)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P59 (Urban)

Model

117

up to model year 2013

with code 242 (Front passenger seat, electrically adjustable with memory function)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P59 (Urban)

Model

117

up to model year 2013

with code 275 (Driver's seat, electrically adjustable with memory function)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P59 (Urban)

Model

156

with code 241 (Memory switch for electrically adjustable front passenger seat, left)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P59 (Urban)

Model

156

with code 242 (Front passenger seat, electrically adjustable with memory function)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P59 (Urban)

Model

156

with code 275 (Driver's seat, electrically adjustable with memory function)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P59 (Urban)

Model

176

with code 241 (Memory switch for electrically adjustable front passenger seat, left)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P27 (Style)

except code P59 (Urban)

Model

176

with code 242 (Front passenger seat, electrically adjustable with memory function)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P27 (Style)

except code P59 (Urban)

Model

176

with code 275 (Driver's seat, electrically adjustable with memory function)

except code 555 (AMG-Performance Seat)

except code 950 (AMG sport package)

except code P27 (Style)

except code P59 (Urban)

Model

242, 246

with code 241 (Memory switch for electrically adjustable front passenger seat, left)

Model

242, 246

with code 242 (Front passenger seat, electrically adjustable with memory function)

Model

242, 246

with code 275 (Driver's seat, electrically adjustable with memory function)

1

Lock

3

Electrical connector

M28/4

Head restraint adjustment seat adjustment motor, front passenger seat (with code 241 (Memory gearshift system for electrically adjustable front passenger seat at left) or with code 242 (Electrically adjustable front passenger seat with memory function))

2

Mount

M27/4

Head restraint adjustment, seat adjustment motor, driver's seat (with code 275 (Driver's seat electrically adjustable with memory function))

 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

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Remove head restraint from front seat.

Model 117, 156, 176, 242, 246 with code 241 (Memory gearshift system for electrically adjustable front passenger seat at left) model 117, 156, 176, 242, 246 with code 242 (Electrically adjustable front passenger seat with memory function) model 117, 156, 176, 242, 246 with code 275 (Electrically adjustable driver's seat with memory function)

AR91.16-P-0040NKB

2

Disconnect electrical connector (3).

3

Release lock (1).

4

Slide mount (2) with head restraint adjustment seat adjustment motor (27/4, M28/4) to right (arrow) and remove downwards.

5

Install in the reverse order