Mercedes-Benz A-Class 2021 Operator's Manual page 43

Always engage seat belt tongue
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seat belt into seat belt buckle 1
responding seat.
Vehicles with automatic front passenger air‐
bag 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
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belt at any one time.
Vehicles without automatic front passenger
airbag shutoff:
2 of the
* NOTE Deployment of the Emergency
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.
Occupant safety
Only one person should use each seat
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belt at any one time.
Seat belt adjustment function
®
Vehicles with PRE-SAFE : After a front seat
belt has been fastened, the automatic seat belt
adjustment may apply a certain tightening force.
Do not hold the seat belt tightly while it is
adjusting.
You can activate and deactivate the seat belt
adjustment function using the multimedia sys‐
tem ( page 41).
/
Activating/deactivating seat belt adjustment
via the multimedia system
Multimedia system:
© Settings Vehicle
4 5 5
Activate or deactivate Belt Adjustment.
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41