Display messages
Possible causes/consequences and 0050 0050Solutions #
Uncouple the coupled trailer and secure it against rolling away. #
Ifth e ball neck has been retracted: initiatea new swivel mo vement (/ page 268).
The ball neck will engage vertically in the loc ked position and then engage beneath the bumper. #
Ifth e ball neck has been extended: initiate a new swivel mo vement (/ page 268).
The ball neck will engage benea th the bumper.
If th e display message does not disappear, the trailer hitch is malfunctioning 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.
Head-up display currently
unavailable See Owner's
Manual *T
he head-up display is temp orarily una vailable. Possible causes:
R malfunctions in the po wer supply
R signal inter fere nce #
Stop theve hicle in accordance with the tra ffic conditions and switch the ignition off and on again. #
Ifth e display message still appears, consult a qualified specialist workshop.
Head-up display inoperative *T
he head-up display has an internal er ror. #
Consult a qualified specialist workshop. 420
Display messages and warning/indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions
00C4 Compressor is cooling *D
uetofrequent le velch anges within a short space of time, the compressor firs t needs tocool down in order toset
th e selected vehicle le vel.
When the compressor has cooled down, theve hicle will continue rising tothe selected vehicle le vel. #
Drive on in a manner appropriate forth e cur rent le vel. Make sure that there is suf ficient ground clearance.
Cannot reach selected
level when rear fog lamp is
switched on *Y
ou cannot select off-road le vel +3. #
Swit choff there ar fog lamp.
Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *
Ve hicles with Active Parking Assis t:Ac tive Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Ve hicles without Active Parking Assis t:Pa rking Assist PARKTRONIC is malfunctioning. #
Stop theve hicle in accordance with the tra ffic conditions and restart theve hicle. #
Ifth e display message still appears, consult a qualified specialist workshop. Display messages and
warning/indicator lamps 449