Remove/install leg rest electric motor on luxury seat

AR91.21-S-0008CH

Remove/install leg rest electric motor on luxury seat

18.07.2019

Model

447.8, 448.8

with code U90 (Left luxury seat of 1st seat row)

Model

447.8, 448.8

with code U91 (Right luxury seat of 1st seat row)

1

Seat-back lining

4

Bolts

2

Screw

5

Electrical connector

3

Nut

6

Electric motor

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

 

Remove/install

1

Lift out passenger seat from guide rails, turn and set down in vehicle with electric line connected.

AR91.21-S-4462CH


Set passenger seat down carefully on a protective base in vehicle.
There is a risk of damage to trim parts on the passenger seat.

2

Set leg rest to top-most position with switch for electrical seat adjustment.

3

Remove tensioning element (1).

4

Counterhold bolt (2) and remove nut (3).

5

Remove bolt (2).

6

Remove screws/bolts (4).

7

Guide electric motor (6) out of passenger seat until the electrical connector (5) is accessible.

8

Release and disconnect electrical connector (5), and remove electric motor (6).

If the electric motor (6) has to be replaced,



replace passenger seat.

AR91.21-S-4462CH

9

Install in the reverse order

Normalizing

10

Set leg rest to top position and then to bottom position using switch for electrical seat adjustment.