Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 567

564 Display messages and warning/indicator lamps
564
W W ar arning/indicat ning/indicator lamp or lamp
ü
Seat belt warning lamp
ashes
ü
Seat belt warning lamp
lights up
Hybrid syst Hybr id system em
W W ar arning/indicat ning/indicator lamp or lamp
_
Reduced warning lamp
power
Possible causes/conseq P ossible causes/consequences and uences and
* The red seat belt warning lamp ashes and an intermittent warning tone sounds.
The driver or front passenger has not fastened his/her seat belt while the vehicle is in motion.
Fasten your seat belt (
/
#
There are objects on the front passenger seat.
Remove the objects from the front passenger seat.
#
* The red seat belt warning lamp lights up once the vehicle has started.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
Fasten your seat belt (
/
#
If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.
P Possible causes/conseq ossible causes/consequences and uences and
* The yellow reduced-power warning lamp is on.
Drive system power output is reduced.
Note the messages on the driver's display.
#
M M Solutions Solutions
page 51).
page 51).
M M Solutions Solutions