Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 332

Extending and re Ext ending and retr tracting t acting the ball nec he ball neck full
call cally (multimedia syst y (multimedia system) em)
& W W ARNING
ARNING 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.
* N N O O TE TE 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.
R R eq equir uirements: ements:
The vehicle is secured against rolling away.
R
The swivel range is clear.
R
k fully electr y electri- i- The trailer cables or adapter plugs have been
R
removed.
Multimedia system:
©
4 5
Extending t Ext ending the ball nec he ball neck full
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
message Check trailer hitch lock
the driver's display.
R R e e tr tracting t acting the ball nec he ball neck full
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.
#
ß y
5
k fully electr y electrically ically
display mes-
will appear on
k fully electr y electrically ically
display mes-
Driving and parking 329
If the ball neck is not securely locked in place, the
message Trailer coupling Check lock
on the driver's display.
Observe the information about the displays on the
instrument cluster:
Indicator and warning lamps (
R
Display messages ( page 485)
/
R
Coupling up/uncoupling a trailer Coupling up/uncoupling a tr ailer
& W W ARNING
ARNING Risk of injury due to a change
in vehicle level
V V ehicles wit ehicles with lev h level contr el control: ol: the vehicle level
may be changed unintentionally, e.g. by other
people. If you couple or uncouple the trailer
during this time, you may become trapped. In
addition, other people could become trapped
if parts of their body are between the vehicle
body and the tyres or underneath the vehicle.
Observe the following when coupling or
uncoupling:
329
will appear
page 561)
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