Mercedes-Benz AMG GT Operator's Manual page 402

400 Display messages and warning/indicator lamps
Display messages Possible causes/consequences and
Electronic Rear Axle Differ-
* The electronic locking differential has failed.
ential Lock Inoperative
Electronic Rear Axle Differ-
* The electronic locking differential is overheated.
ential Lock Currently
Unavailable
Rear Spoiler Control Sys- * The rear spoiler cannot reach the end position during retraction and extends again if possible.
tem Inoperative
Solutions
M
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do
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not continue driving under any circumstances.
Consult a qualified specialist workshop.
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When stopping, bear the enlarged vehicle width in mind.
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Consult a qualified specialist workshop.
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Let the electronic locking differential cool down by driving defensively.
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The vehicle's speed may be restricted.
If retraction of the rear spoiler is blocked, e.g. by ice:
Ensure that the cause of the blockage has been removed.
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Switch the vehicle off and switch it back on
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Start the vehicle after a few minutes.
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The rear spoiler will move to the original position.
If the problem persists or the cause cannot be detected: