Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 292

290 Driving and parking
Extending and retracting the ball neck fully electri-
cally (multimedia system)
& WARNING Risk of accident due to the ball
neck not being engaged
If the ball neck is not engaged, the trailer may
come loose.
Always engage the ball neck as descri-
#
bed.
* NOTE Damage to the all-electric trailer
hitch due to additional pressure
The all-electric trailer hitch could be mechani-
cally damaged by applying additional pressure
when the ball neck is being extended or
retracted.
Do not make the ball neck extend/
#
retract faster by applying additional pres-
sure.
Requirements:
The vehicle is secured against rolling away.
R
The swivel range is clear.
R
The trailer cables or adapter plugs have been
R
removed.
Multimedia system:
© ß y
4 5 5
Extending the ball neck fully electrically
Select Ü.
#
The Trailer coupling in motion
sage will appear on the driver's display.
The ball neck will extend fully electrically.
Wait until the ball neck has locked in place.
#
If the ball neck is not securely locked in place, the
Check trailer hitch lock display message will
appear on the driver's display.
Retracting the ball neck fully electrically
Select Ü.
#
The Trailer coupling in motion
sage will appear on the driver's display.
The ball neck will retract fully electrically.
Wait until the ball neck has locked in place.
#
P223 0288 02
If the ball neck is not securely locked in place, the
Trailer coupling Check lock
appear on the driver's display.
Observe the information about the displays on the
instrument cluster:
Indicator and warning lamps (
R
Display messages (
R
display mes-
Coupling up/uncoupling a trailer
& WARNING Risk of injury from the vehicle
level being changed
Vehicles with level control system: the vehicle
level may be changed unintentionally, e.g. by
other persons. You may become trapped if you
couple up or uncouple a trailer while the vehi-
cle level is changing. In addition, other people
could become trapped if their limbs are
display mes-
between the vehicle body and the tyres or
underneath the vehicle.
When coupling up or uncoupling a trailer,
make sure that:
display message will
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page 510)
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