Display messages
ï
Trailer coupling Check
lock(red display message)
Possible causes/consequences and
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
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ball neck.
Consult a qualified specialist workshop.
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* 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.
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
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ball neck.
Consult a qualified specialist workshop.
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Solutions
M
page 38).
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Display messages and warning/indicator lamps 801