Pneumatic Components on Multi-Contour Seat, Connection Diagram

Pneumatic Components on Multi-contour Seat, Connection Diagram






1 Driver seat multi-contour seat compressor (V439)

• Front passenger side: front passenger multi-contour seat compressor (V440)

2 Module carrier with air cushions for lumbar support

3 Left seat bolster inflation adjuster

4 Left backrest bolster inflation adjuster

5 Regulator

• For exhaust air

• Depending on the version, separate component or integrated in the multi-contour seat control module

• The connection for the restrictor has been removed from the multi-contour seat control module with an integrated restrictor. Refer to the => Parts Catalog.

6 Check valve

• Depending on the version, separate component or integrated in the multi-contour seat control module

• Remove the external check valve if installing a multi-contour seat control module that contains a check valve. Refer to the => Parts Catalog

7 Valve block 2 in the driver seat (N476)

• For massage mat

• Front passenger side: valve block 2 in front passenger seat (N478)

8 Massage mat

9 Valve block 1 in the driver seat (N475)

• For massage mat

• Front passenger side: valve block 1 in front passenger seat (N477)

10 Driver side multi-contour seat control module (J873)

• Front passenger side: right front multi-contour seat control module (J872)

• The connection for the restrictor is deleted on the Original Replacement Part with an integrated check valve and the separate check value must be removed. Refer to the Parts Catalog

11 Pulsation damper

12 Right backrest bolster inflation adjuster

13 Right seat bolster inflation adjuster