
The driver and front passenger seats on the Mercedes S-Class (W221) have inflatable elements which can be adjusted by the system pump. It may be possible to adjust these parts of the seat:
- Pillows.
- Bock of the back.
- The Lumbar area.
- Shoulder area.
The configuration is done in this order:
- Turn the ignition key to position 2.
- Click on the Command System seat.

- A menu is displayed.
- Using the system controller, switch to the bottom line of the menu and select the seat (driving or front passenger) seat.
- Select the desired zone to be adjusted (for example, "Seat of the seat"). The scale is displayed on the screen.

- Control the element' s bulge with the controller and click OK.
- Equivalent to inflating other parts of the seat.
- To reset the settings to the factory defaults, select the seat and "All Reset".