Mercedes-Benz S-Class Cabriolet 2017 Owner's Manual page 477

474 Display messages and warning/indicator lamps
Warning/indicator lamp
6
Restraint system warning
lamp
Seat belt
Warning/indicator lamp
7
Seat belt warning lamp
lights up
Possible causes/consequences and
The red restraint system warning lamp is lit while the engine is running.
The restraint system is faulty (
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& WARNING Risk of injury or fatal injury due to a malfunction in the restraint system
If the restraint system is malfunctioning, restraint system components may be triggered unintentionally or might not
be triggered at all in the event of 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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Observe the messages on the multifunction display.
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Consult a qualified specialist workshop immediately.
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Possible causes/consequences and
The red seat belt warning lamp lights up after the engine is started.
In addition, an acoustic 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.
M M Solutions
page 32).
M M Solutions