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486 Display messages and warning/indicator lamps
Display messages
Possible causes/consequences and
Uncouple the trailer and secure it against rolling away.
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Initiate a new swivel movement and do not re-couple the trailer until the warning/indicator lamp goes out.
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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
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unlocked ball neck.
Consult a qualified specialist workshop.
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* The trailer hitch will not be operational when the vehicle is stationary.
Uncouple the coupled trailer and secure it against rolling away.
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If the ball neck has been folded in: unlock the ball neck (
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Swivel the ball neck into the end position manually and let it engage.
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If the ball neck has been folded out: unlock the ball neck (
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Swivel the ball neck beneath the bumper manually and let it engage.
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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
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unlocked ball neck.
M M
Solutions
page 259).
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page 259).
page 259).
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