Mercedes-Benz GLB Owner's Manual page 628

Occupant safety
Warning/indicator lamp
6
Restraint system warning
lamp
7
Seat belt warning lamp
flashes
Possible causes/consequences and
The red restraint system warning lamp is lit while the engine is running.
*The restraint system is malfunctioning (
& WARNING Risk of injury due to malfunctions in the restraint system
If the restraint system is malfunctioning, restraint system components may be triggered unintentionally or may
not deploy as intended during an accident. This may affect the seat belt tensioner or airbag, for example.
Have the restraint system checked and repaired immediately at a qualified specialist workshop.
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Drive on carefully.
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Note the messages on the multifunction display.
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Consult a qualified specialist workshop immediately.
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The red seat belt warning lamp flashes and an intermittent warning tone sounds.
* The driver or front passenger has not fastened their seat belt while the vehicle is in motion.
Fasten your seat belt(
/
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* There are objects on the front passenger seat.
Remove the objects from the front passenger seat.
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M M Solutions
page 36).
/
page 40).
Display messages and warning/indicator lamps 625