Trailer power supply
You can connect accessories with a maximum power consumption of 180 W 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 9.
A qualified specialist workshop can provide more information about installing the trailer electrics.
See also:
Notes on technical data
The data stated here specifically refers to
a vehicle with standard equipment. Consult
an authorized Mercedes-Benz Center for
the data for all vehicle variants and trim
levels. ...
Problems with the SmartKey
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Important safety notes
You will find an illustration of the instrument
cluster in the "At a glance".
WARNING
A driver's attention to the road and traffic
conditions must always be his/her primary
focus when ...