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X
Clean the ball coupling if it is dirty.
X
Stow the ball coupling so that it cannot be
thrown around.
Observe the loading guidelines (Y page 295)
and the safety notes regarding stowage spaces
(Y page 295).
Information on cleaning and care of the trailer
tow hitch (Y page 331).
Trailer power supply
!
Accessories with a maximum power con-
sumption of 180 W can be connected to the
permanent power supply.
You must not charge a trailer battery using the
power supply.
The trailer socket of your vehicle is equipped at
the factory with a permanent power supply.
The permanent power supply is supplied via
trailer socket pin 4.
The trailer's permanent power supply is
switched off in the event of low vehicle supply
voltage and after six hours at the latest.
A qualified specialist workshop can provide
more information about installing the trailer
electrics.
Bicycle rack
General notes
Trailer tow hitch (example with additional
guide pin)
Depending on the bicycle rack's design, you can
transport up to four bicycles on it:
R
When attached by clamping onto ball cou-
pling :, the maximum payload is 75 kg. You
can transport up to three bicycles.
R
When attached to ball coupling : and also
guide pin ;, the maximum payload is 100 kg.
You can transport up to three bicycles.
The payload is calculated from the weight of the
bicycle rack and the load of the bicycle rack.
To transport bicycles with a gross weight
between 75 kg and 100 kg, use only bicycle
racks with additional anchorage on guide pin ;.
Important safety notes
G
WARNING
The bicycle rack can detach from the vehicle if
you
R
exceed the permissible payload of the
trailer tow hitch
R
use the bicycle rack incorrectly
R
attach the bicycle rack to the ball coupling
beneath the ball head
There is a risk of an accident.
For your safety and that of other road users,
observe the following:
R
Always observe the permissible payload of
the trailer tow hitch.
R
Use the bicycle rack only to transport bicy-
cles.
R
Always attach the bicycle rack correctly by
clamping onto the ball head and, if possible,
to the guide pin on the ball coupling as well.
R
To transport four bicycles, always use bicy-
cle racks with additional support on the ball
coupling's guide pin.
R
Use only bicycle racks approved by
Mercedes-Benz.
R
Always comply with the bicycle rack's oper-
ating manual.
!
Using unsuitable bicycle racks or using
them incorrectly can cause damage to and
fractures in the trailer tow hitch.
Bicycle rack
227
Driving and parking
Z
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