Mercedes-Benz GLS 2020 Operator's Manual page 536

534 Display messages and warning/indicator lamps
Display messages Possible causes/consequences and
Active Blind Spot Assist * Active Blind Spot Assist is malfunctioning.
Inoperative
Active Blind Spot Asst. Not * When you establish the electrical connection to the trailer, Active Blind Spot Assist is unavailable.
Available When Towing a
Trailer See Operator's Man-
ual
Traffic Sign Assist Cur- * Traffic Sign Assist is temporarily unavailable.
rently Unavailable See
Operator's Manual
Traffic Sign Assist Inopera- * Traffic Sign Assist is malfunctioning.
tive
Drive on.
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Once the cause of the problem is no longer present, the system will be available again.
or
If the display message does not disappear, stop the vehicle in accordance with the traffic conditions and restart
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the engine.
Consult a qualified specialist workshop.
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Press the left-hand Touch Control and acknowledge the display message.
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Drive on.
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Once the cause of the problem is no longer present, the system will be available again.
Stop the vehicle in accordance with the traffic conditions and restart the engine.
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If the display message continues to be displayed, consult a qualified specialist workshop.
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M M Solutions