Display messages
Possible causes/consequences and M
MSolutions #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer tow hit chis defective and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
The trailer tow hit chis not operational when theve hicle is at a standstill. #
Uncouple the coupled trailer and secure it against rolling away. #
Initiate a new swivelling procedure (→ page242). #
Ifth e ball neck is retracted: press and hold the button on theta ilgate until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. #
Ifth e ball neck is extended: press and hold the button on theta ilgate until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer tow hit chis defective and the ball coupling is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop. 540
Displaymessa ges and warning/indicator lamps
