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49 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Recalling
To recall a seat/head restraint and exterior rear view
mirror position, push and hold position button “1”, “2”
or “3” until seat/head restraint and exterior rear view
mirror movement has stopped. The seat/head restraint
and exterior rear view mirror movement stops when the
position button is released.
Caution!
Do not operate the power seats using the memory
button if the seat backrest is in an excessively reclined
position. Doing so could cause damage to front or rear
seats.
First move the backrest to an upright position.Synchronizing power seats and head restraints
If the power supply was interrupted (battery
disconnected or empty), the power seats and head
restraints are no longer adjusted automatically.
To resynchronize the adjustment feature, turn
electronic key in steering lock to position 2, move the
seat completely forward and the head restraint fully
down, and hold respective buttons for approx.
2seconds.
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50 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Important!
Prior to operating the vehicle, the driver should adjust
the seat height for proper vision as well as fore/aft
placement and backrest angle to insure adequate
control, reach, operation, and comfort. The head
restraint should also be adjusted for proper height. See
also airbag section on page 68 for proper seat
positioning.
In addition, also adjust the steering wheel to ensure
adequate control, reach, operation, and comfort.
Both the inside and outside rear view mirrors should be
adjusted for adequate rearward vision.
Fasten seat belts. Infants and small children should be
seated in a properly secured restraint system that
complies with U.S. Federal Motor Vehicle Safety
Standard 213 and Canadian Motor Vehicle Safety
Standard 213.
All seat, head restraint, steering wheel, and rear view
mirror adjustments as well as fastening of seat belts
should be done before the vehicle is put into motion.
Wa r n i n g !
Children 12 years old and under must never ride in
the front seat, except in a Mercedes-Benz
authorized BabySmart
TM compatible child seat,
which operates with the BabySmart
TM system
installed in the vehicle to deactivate the passenger
side front airbag when it is properly installed.
Otherwise they will be struck by the airbag when it
inflates in a crash. If this happens, serious or fatal
injury will result.
According to accident statistics, children are safer
when properly restrained in the rear seating
positions than in the front seating positions.
Infants and small children must ride in back seats
and be seated in an appropriate infant or child
restraint system, which is properly secured with
the vehicle’s seat belt, fully in accordance with the
child seat manufacturer’s instructions.A child’s risk of serious or fatal injuries is
significantly increased if the child restraints are
not properly secured in the vehicle and the child is
not properly secured in the child restraint.
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Page 54 of 330

51 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Front head restraints
Removal:
Tilt the backrest rearward for easier removal of the front
head restraints.
Push button (1) up to bring the power adjustable head
restraint to its highest position.
Pull out head restraint completely with both hands.Installation:
Push button (1) of the power adjustable head restraint
up for approximately 5 seconds.
Insert the head restraint and push it down to the stop.
Adjust head restraint to the desired position.
For positioning of head restraints see also power seats,
front on page 45, and head restraints, rear on page 52.
Wa r n i n g !
For your protection, drive only with properly
positioned head restraints.Adjust head restraint to support the back of the
head approximately at ear level.Do not drive the vehicle without the seat head
restraints. Head restraints are intended to help
reduce injuries during an accident.
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52 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Head restraints, rearFolding head restraints backward (with engine
running):
Press symbol-side of rocker switch to release the head
restraints. The head restraints will then fold backward
for increased visibility.
Placing head restraints upright:
Pull head restraint forward until it locks in position.
Angle of head restraints:
The head restraint angle can be adjusted manually.
P54.25-2035-26
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Page 56 of 330
53 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care IndexImportant!
For safety reasons, always drive with the rear head
restraints in the upright position when the rear seats
are occupied.
Keep area around head restraints clear of articles (e.g.
clothing) to not obstruct the folding operation of the
head restraints.
P91.10-2055-20
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Page 57 of 330

54 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Backrest
1Release lever
Folding forward:
Lift release lever (1) and fold backrest forward. The seat
will automatically slide forward and the head restraint
will move down.
Folding back:
Lift release lever (1) and fold backrest back. The seat
and head restraint return to their previous positions.
To interrupt the procedure, activate the power seat
switch.Notes:
The automatic seat slide is provided with a safety
feature. The automatic process is interrupted, if the
backrest of the sliding seat is pushed against an
occupant or object. The seat will slide forward, stop, and
make 3 attempts sliding backward.
To halt the automatic process, activate the power seat
switch.
Investigate and correct the cause of interruption.
Now use memory button or power seat switch to bring
seat into desired position.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the steering lock, and lock your
vehicle.The power seats can also be operated with the
driver’s or passenger door open. Do not leave
children unattended in the vehicle or with access
to an unl ocked vehic l e. Uns upervi s ed us e of vehi cl e
equipment may cause serious personal injury.Never place hands under seat or near any moving
parts during a seat adjustment procedure.
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Page 66 of 330

63 Restraint systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
• Never wear the shoulder belt under your arm,
against your neck or off your shoulder. In a
crash, your body would move too far forward.
That would increase the chance of head and
neck injuries. The belt would also apply too
much force to the ribs or abdomen, which
could severely injure internal organs such as
your liver or spleen.• Position the lap belt as low as possible on your
hips and not across the abdomen. If the belt is
positioned across your abdomen, it could cause
serious injuries in a crash.• Each seat belt should never be used for more
than one person at a time. Do not fasten a seat
belt around a person and another person or
other objects.
• Belts should not be worn twisted. In a crash,
you wouldn’t have the full width of the belt to
manage impact forces. The twisted belt against
your body could cause injuries.• Pregnant women should also use a lap-
shoulder belt. The lap belt portion should be
positioned as low as possible on the hips to
avoid any possible pressure on the abdomen.• Never place your feet on the instrument panel
or on the seat. Always keep both feet on the
floor in front of the seat.
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68 Restraint systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Airbags
1Driver airbag
The driver airbag is located in the steering wheel hub. 2Front passenger airbag
The passenger front airbag is located in the dash board
ahead of the front passenger.
1
SRSAIRBAGSRSAIRBAG
2
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