Mercedes-Benz GLS Owner's Manual page 512

Warning/indicator lamp
ü
Seat belt warning lamp
lights up
Vehicle
Warning/indicator lamp
Ù
Power steering warning
lamp (red)
Possible causes/consequences and
* The red seat belt warning lamp lights up once the engine 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 (
/
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If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.
Possible causes/consequences and
* The red power steering system warning lamp is lit while the engine is running.
The power assistance or the steering itself is malfunctioning.
& WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do
#
not continue driving under any circumstances.
Consult a qualified specialist workshop.
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Note the messages on the multifunction display.
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M M Solutions
page 43).
M M Solutions
Display messages and warning/indicator lamps 509