Mercedes-Benz GLB Owner's Manual page 629

626 Display messages and warning/indicator lamps
Warning/indicator lamp
7
Seat belt warning lamp
lights up
Vehicle
Warning/indicator lamp
ï
Trailer tow hitch warning
lamp
Possible causes/consequences and
The red seat belt warning lamp will light up 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 (
/
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If you have placed objects on the front passenger seat, the seat belt warning lamp may remain lit.
Possible causes/consequences and
The red trailer tow hitch warning lamp is on.
*The trailer tow hitch is not operational or is swivelling.
& WARNING Risk of an accident if the ball neck is not locked
If the ball neck is not in the locked position, the trailer may come loose.
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.
Uncouple the trailer and secure it against rolling away.
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Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears.
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M M Solutions
page 40).
M M Solutions