Mercedes-Benz S-Class Saloon 2021, Owner'S Manual

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Displa Display messag y messages P es Possible causes/conseq ossible causes/consequences and uences and M M Solutions Solutions
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If t If the ball nec he ball neck has been e k has been ext xtended: ended: initiate a new swivel movement (
/
page 327).
The ball neck will engage beneath the bumper.
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
ball neck.
#
Consult a quali ed specialist workshop.
Please teach in trailer cou-
pling again using the but-
ton in load compartment
Wait for it to extend/
retract
* The swivel movement of the trailer hitch is impaired.
#
Use the button on the boot lid to trigger a new, complete swivel movement until the ball neck engages beneath the
bumper.
Head-up display currently
unavailable See Owner's
Manual
* The head-up display is temporarily unavailable. Possible causes:
R
malfunctions in the power supply
R
signal interference
#
Stop in accordance with the tra c conditions and switch the vehicle o and on again.
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If the display message still appears, consult a quali ed specialist workshop.
Head-up display inoperative
* The head-up display has an internal error.
#
Consult a quali ed specialist workshop.
508 508 Display messages and warning/indicator lamps