Mercedes-Benz S-Class 2019 Operator's Manual page 531

Warning/indicator lamp
Seat belts
Warning/indicator lamp
7
Seat belt warning lamp
lights up
7
Seat belt warning lamp
flashes
Possible causes/consequences and
Have the restraint system checked and repaired immediately at a qualified specialist workshop.
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Drive on carefully.
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Observe the messages on the multifunction display.
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Visit a qualified specialist workshop immediately.
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Possible causes/consequences and
The red seat belt warning lamp will light up for six seconds once the engine has started.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
Fasten your seat belt ( page 37).
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If you have placed objects on the front passenger seat, the seat belt warning lamp may remain lit.
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( page 37).
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There are objects on the front passenger seat.
Remove the objects from the front passenger seat.
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Display messages and warning/indicator lamps 529
M M Solutions
M M Solutions