Fastening - Mercedes-Benz 2015 M-Class Operator's Manual

Occupant safety
48
When fastening the seat belt, always make
sure that:
the seat belt tongue is only inserted to the
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belt buckle belonging to that seat.
the seat belt is tight across your body.
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Avoid wearing bulky clothing, e.g. a winter
coat.
the seat belt is not twisted.
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Only then can the forces which occur be
distributed over the area of the belt.
the shoulder section of the belt is always
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routed across the center of your shoulder.
The shoulder section of the belt must not
come into contact with your neck or be
routed under your arm. If possible, adjust
the seat belt to the appropriate height.
the lap belt passes tightly and as low down
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as possible across your lap.
The lap belt must always be routed across
your hip joints and not across your abdo-
men. This applies particularly to pregnant
women. If necessary, push the lap belt
down to your hip joint and pull it tight using
the shoulder section of the belt.
the seat belt is not routed across sharp,
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pointed or fragile objects.
If you have such items located on or in your
clothing, e.g. pens, keys or eyeglasses,
store these in a suitable place.
only one person is using a seat belt at a
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time.
Infants and children must never travel sit-
ting on the lap of a vehicle occupant. In the
event of an accident, they could be crushed
between the vehicle occupant and seat
belt.
objects are never secured with a seat belt if
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the seat belt is also being used by one of the
vehicle's occupants.
Seat belts are only intended to secure and
restrain vehicle occupants. Always observe
the "Loading guidelines" for securing objects,
luggage or loads ( page 334).
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Fastening and adjusting the seat belts
Observe the safety notes on the seat belt
( page 46) and the notes on correct use of
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seat belts ( page 47).
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Adjust the seat (
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The seat backrest must be in an almost
vertical position.
Pull the seat belt smoothly from belt sash
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guide = and engage belt tongue ; into
belt buckle :.
The seat belt on the driver's seat and the
front-passenger seat may be tightened
automatically, see "Belt adjustment"
( page 49).
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If necessary, pull upwards on the shoulder
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section of the seat belt to tighten the belt
across your body.
page 104).