Mercedes-Benz BENZ-VEHICLES S 500 - Manual (Page 40)

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Lumbar Support
1 Pressure regulator
The seats have an inflatable air cushion
built into the backrest to provide
additional lumbar support.
The inflation pressure of the air
cushion can be continuously varied
between position "0" = without
pressure, and position "5" = maximum
pressure, by changing the pressure
regulator (1) setting .
Multicontour Backrest
1 Bottom
2 Center
3 Top
4 Pressure regulator
5 Side bolster adjustment
Some models may be equipped with
orthopedic seats. These seats have
inflatable air cushions built into the
backrest to provide additional lumbar
and side support.
The amount of cushion height and
curvature may be adjusted after turning
the key in steering lock to position 2.
The center section (2) can be selected
together with bottom section (1) or top
section (3).
The inflation pressure of the air cushion
can be continuously varied between
position "0" = without pressure, and
position "5" = maximum pressure, by
changing the pressure regulator (4)
setting.
The side bolsters of the backrest can
be adjusted with push button (5):
• pushing forward -
increase side support,
• pushing backward -
decrease side support.
If the engine is turned off, the last
cushion setting is retained in memory,
and automatically adjusts the cushion
to this setting when the engine is
restarted.