Mercedes-Benz 300SD 1981, Owner'S Manual

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Seats
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Orthopaedic Seat Back
Turn handwheel (1) to adjust the
spinal support. The spinal support
must not be inflated when being
adjusted. A red mark in window (2)
indicates the height it is adjusted to.
To inflate the spinal support, actuate
hand pump (3) as required. For
deflation, push button (4).
Arm Rest (Front Seats)
The arm rest engages in 3 positions.
Position 1 = arm rest folded up.
Position 2 = for normally inclined
seat back.
Position 3 = for extremely inclined
seat back.
For downward adjustment of the arm
rest, depress release button 4.
Note:
The arm rest does not suffice as a
child restraint system. In case of a
frontal collision a child can be
catapulted forward over the locked
arm rest. It is only suitable as
protection against objects which
might be hurled forward when the
vehicle is decelerated.
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