Mercedes-Benz EQS 2021 Operator's Manual page 814

812 Display messages and warning/indicator lamps
Display messages
d
Vehicle is operational
Switch off vehicle before
exiting
ï
Check trailer hitch
lock (white display message)
Possible causes/consequences and
* You are leaving the vehicle in a ready-to-drive state.
Get out of the vehicle, secure it against rolling away and take the key with you.
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If you do not leave the vehicle, switch off the electrical consumers, e.g. the seat heating. Otherwise, the 12‑V bat-
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tery may discharge and starting the engine may be possible only with the help of a second battery (jump start).
* The trailer hitch is not operational during a journey with a trailer.
& WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
Stop the vehicle immediately in accordance with the traffic conditions. Do not continue driving.
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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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Stop immediately in accordance with the traffic conditions and switch off the vehicle.
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Uncouple the trailer and secure it against rolling away.
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Initiate a new swivel movement (
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When the display message disappears, couple up the trailer and drive on.
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If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked.
Solutions
M
page 37).
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