Mercedes-Benz C-Class Coupe 2019 Operator's Manual page 41

The seat belt tongue is not engaged in the
R
seat belt buckle within 60 seconds
If you press seat belt extender button
again in this case, the seat belt extender will
extend again.
The respective door is opened
R
You fold the seat backrest forwards
R
Nobody is sitting in the front passenger seat
R
If you press seat belt extender button
again in this case, the seat belt extender will
no longer extend.
The seat belt extender must always be retracted
while the vehicle is in motion.
Fastening seat belts
If the seat belt is pulled quickly or sharply, the
seat belt retractor locks. The seat belt strap can‐
not be pulled out any further.
1
1
Always engage seat belt tongue
#
seat belt into seat belt buckle
responding seat.
Vehicles with automatic front passenger
front airbag shutoff:
* NOTE Deployment of the Emergency
Tensioning Device and side air bag when
the front passenger seat is unoccupied
If the seat belt tongue is engaged in the seat
belt buckle of the unoccupied front
passenger seat, the Emergency Tensioning
Device and the side air bag may also deploy
in the event of an accident along with other
systems.
Only one person should use each seat
#
belt at any one time.
Vehicles without automatic front passenger
front airbag shutoff:
2 of the
* NOTE Deployment of the Emergency
1 of the cor‐
Tensioning Device when the front-
passenger seat is unoccupied
If the seat belt tongue is engaged in the seat
belt buckle of the unoccupied front-
passenger seat, the Emergency Tensioning
Device may also deploy in the event of an
accident along with other systems.
39
Occupant safety