Mercedes-Benz S-Class 2020 Owner's Manual page 299

296 Driving and parking
Extending and retracting the ball neck fully
electrically (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 mechan‐
ically damaged by applying additional pres‐
sure when the ball neck is being extended or
retracted.
Do not make the ball neck extend/
#
retract faster by applying additional
pressure.
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.
#
If the ball neck is not securely locked in place,
the Trailer coupling Check lock
will 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 trap‐
ped if you couple up or uncouple a trailer
while the vehicle level is changing. In addi‐
display mes‐
tion, other people could become trapped if
their limbs are between the vehicle body and
the tyres or underneath the vehicle.
When coupling up or uncoupling a trailer,
make sure that:
display message
page 561)
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page 503)
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