Mercedes-Benz 420 SEL 1988, Owner'S Manual

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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:
To move the arm rest between posi­
tions 1 and 2 it may be necessary to
overcome a slight resistance.
Warning!
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. Infants and small children
should be seated in a properly
secured restraint system that com­
plies with Federal Motor Vehicle
Safety Standard 213.
Orthopedic Seat Backrest
Some models may be equipped with
orthopedic seats. These seats have
an inflatable air cushion built into the
backrest to provide additional lumbar
support. The amount of cushion
height and curvature may be adjusted
after turning the key to steering lock
position 1 or 2.
The inflation pressure of the air cush­
ion can be varied between position
“ 0” = without pressure, and position
“4 ” = maximum pressure, by chang­
ing the pressure regulator (1) setting.
In addition, the cushion height may be
changed to five different settings bet­
ween position “A” = lowest setting,
and “ E” = highest setting, by varying
the height regulator (2) adjustment.
if a driving trip is temporarily in­
terrupted, the last cushion setting is
retained in memory, and automatically
adjusts the cushion to this setting
when the trip is continued.
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