ar9125p1450fr

Remove/install lumbar support air cushion on front seat

Typ ar · temat 91.25 · wersja 0105 · 2020-07-28

Dotyczy: Model 257 except code 432 (Dynamic seats left and right) Model 290 except code 409 (Left and right front multicontour seat) except code 432 (Dynamic seats left and right) except code 555 (AMG-Performance Seat)

Niedostępne w języku „pl”; wyświetlono w języku Angielski.

Umiejscowienie

Grupa funkcyjna 3 Nadwozie › 91 Fotele, leżanki, system zabezpieczenia pasażerów › 91.25 Fotel wielokonturowy (MKS) — Seria 257 · Seria 290

EinPAS 37 Wyposażenie wnętrza › 37.26 Fotel przedni › 37.26.47 Regulacja fotela — Seria 257 · Seria 290

AR91.25-P-1450FR

Remove/install lumbar support air cushion on front seat

28.07.2020

Model

257

except code 432 (Dynamic seats left and right)

Model

290

except code 409 (Left and right front multicontour seat)

except code 432 (Dynamic seats left and right)

except code 555 (AMG-Performance Seat)

Remove/install lumbar support air cushion on front seat

P91.25-2619-09

1

Cover

5

Spring element

M25/5

Front passenger seat lumbar support pneumatic pump

2

Padding

6

Electrical connector

N32/23

Driver's seat lumbar support electropneumatic controller unit

3

Air cushion unit

7

Electrical connector

N32/24

Front passenger seat lumbar support electropneumatic controller unit

4

Cable tie

M25/4

Driver seat lumbar support pneumatic pump

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Remove/install

1

Remove seat backrest padding.


Model 257
except code 432 (Dynamic seats left and right)
Model 290
except code 409 (Left and right front multicontour seat)
except code 432 (Dynamic seats left and right)
except code 555 (AMG-Performance Seat)

AR91.10-P-0003FR

2

Detach cable ties (4).

Installation: Install new cable tie (4).

3

Unhook lumbar support pneumatic pump (M25/4, M25/5) with protective sleeve from seat backrest frame.


Do not take lumbar support pneumatic pump (M25/4, M25/5) out of its protective sleeve.
Otherwise the lumbar support pneumatic pump (M25/4, M25/5) will be damaged.

4

Disconnect electrical connection (6).

5

Detach electrical connector (7).

6

Unhook lumbar support electropneumatic controller unit (N32/23, N32/24) from spring element (5) and route forward, between seat backrest frame and spring element (5).

7

Pass lumbar support pneumatic pump (M25/4, M25/5) forwards and between seat backrest frame and spring element (5).

8

Mark installation position of air cushion unit (3) on spring element (5).

9

Unhook and remove air cushion unit (3) from spring element (5).

The air cushion unit (3), the lumbar support electropneumatic controller unit (N32/23, N32/24) and the lumbar support pneumatic pump (M25/4, M25/5) are one unit and can only be changed together.

Installation: Observe markings.

10

Install in the reverse order

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