ar9125p1445m

Removing and installing lumbar support air cushion from front seat backrest

Type ar · topic 91.25 · version 0102 · 2003-01-22

Applies to: MODELS 220.0 /1 except CODE (404b) Multicontour backrest driver seat except CODE (405b) Multicontour backrest passenger seat except CODE (433) Left dynamic seat, incl. multicontour seat except CODE (434) Right dynamic seat, incl. multicontour seat

Where it sits

Function group 3 Body › 91 Seats, bunks, restraint systems › 91.25 Multicontour seat (MKS) — Series 220 (models 0**, 1**)

EinPAS 37 Interior equipment › 37.26 Front seat › 37.26.47 Seat adjustment — Series 220 (models 0**, 1**)

AR91.25-P-1445M

Removing and installing lumbar support air cushion from front seat backrest

20.1.98

MODELS 220.0 /1
except CODE (404b) Multicontour backrest driver seat
except CODE (405b) Multicontour backrest passenger seat
except CODE (433) Left dynamic seat, incl. multicontour seat
except CODE (434) Right dynamic seat, incl. multicontour seat

Removing and installing lumbar support air cushion from front seat backrest

P91.18-2009-09

Shown on vehicle without front luxury seat, incl. heated seat and seat ventilation, code 401a

1 Front seat backrest

5 Reinforcement plate

M27m4 Head restraint motor, raise and lower

M28m4 Head restraint motor, raise and lower

2 Backrest cover

3 Backrest frame

4 Rubberized fiber matting

Removing and installing lumbar support air cushion from front seat backrest

P91.25-2001-01

5 Reinforcement plate

6 Air cushion

Remove/install

1

Remove front seat backrest (1)

up to 31.8.02.

AR91.10-P-1060M

As of 1.9.02.

AR91.10-P-1060MB

2

Remove tensioning element from front seat backrest

AR91.10-P-1910E

3

Remove head restraint raise/lower motor (M27m4/M28m4)

Push motor to right first and then remove downwards

4

Place front seat backrest (1) onto a suitable underlay with the backrest cover (2) facing downwards

5

Pull backrest upholstery (2) out of clip groove (arrows) at bottom of backrest frame (3)

6

Pull out rubberized fiber matting (4) lug (arrows) at bottom of backrest frame (3)

7

Detach lugs on reinforcement plate (5) from spring wire of backrest frame (3)

Do not damage lugs.

8

Pull reinforcement plate (5) with air cushion (6) out of backrest frame (3)

Lift backrest frame (3) with spring wire from backrest upholstery (2) with rubberized fiber matting (4).

9

Install in the reverse order

10

Perform lumbar support function check

Referenced documents