Mercedes-Benz S-Class Saloon 2021, Owner'S Manual

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Displa Display messag y messages P es Possible causes/conseq ossible causes/consequences and uences and M M Solutions Solutions
ï
Check trailer hitch
lock (white display message)
* The trailer hitch is not operational during a journey with a trailer.
&
W WARNING ARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
#
Stop the vehicle immediately in accordance with the tra c 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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Initiate a new swivel movement (
/
page 327).
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When the display message disappears, couple up the trailer and drive on.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked.
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Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball neck.
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Consult a quali ed specialist workshop.
* When the vehicle is stationary with a coupled trailer, the trailer hitch is not operational.
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Uncouple the coupled trailer and secure it against rolling away.
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If t If the ball nec he ball neck has been re k has been retrtract acted: ed: initiate a new swivel movement (
/
page 327).
The ball neck will engage vertically in the locked position and then engage beneath the bumper.
Display messages and warning/indicator lamps 507 507