Mercedes-Benz AMG GT Operator's Manual page 446

Display messages
_
Rear left seat backrest not
locked (example)
¥
Top up washer fluid
Wiper malfunctioning
Possible causes/consequences and
* The seat backrest of the corresponding seat is not engaged.
Fold the seat backrest back until it engages.
#
* The washer fluid level in the washer fluid reservoir has dropped below the minimum.
Top up the washer fluid (
#
* The windscreen wiper is malfunctioning.
Restart the vehicle.
#
If the display message still appears:
Consult a qualified specialist workshop.
#
Solutions
M
page 353).
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Display messages and warning/indicator lamps 443