Mercedes-Benz GLC 200 4MATIC Owner's Manual page 485

482 Display messages and warning/indicator lamps
Display messages
ï
Operation only possible in
transmission position P
ï
Trailer coupling in motion
ï
Trailer coupling Check
lock(white display message)
Possible causes/consequences and
* The ball neck will not swivel because transmission position h, k or neutral i is selected.
Depress the brake pedal.
#
Engage park position j.
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* The ball neck is retracting/extending.
Do not attempt to speed up, slow down or initiate the swivel movement using your hand, foot or other aids. During the
swivel movement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear.
* 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.
#
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.
#
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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Solutions
M
page 311).
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