Fuses - Mercedes-Benz Marco Polo 2017 Owner's Manual Supplement

Electrical system
66
Marco Polo USB ports
Problems with the voltage supply
A number of malfunctions are shown in the form of warning messages in the central control panel
display.
Problem
The warning
lamp is displayed and a
warning tone sounds.
The warning
lamp either does not
appear or it disappears
during operation.
The charge capacity indi-
cator remains
unchanged during the
charging process.
Replacing fuses
Important safety notes
G
WARNING
If you manipulate, bridge or replace a faulty
fuse with a fuse of a higher amperage, the
electric cables could be overloaded. This may
Possible causes/consequences and M Solutions
Pull-away warning.
The power supply cable is connected to the 230 V socket and the
vehicle ignition is switched on.
X
Switch off the ignition.
X
Disconnect the 230 V mains connection (
The 230 V mains power connection is interrupted.
X
Check the 230 V mains power connection (
The battery charger is malfunctioning.
X
Disconnect the 230 V mains connection (
X
Have the battery charger checked at a qualified specialist work-
shop.
The charging cable or the battery charger is malfunctioning.
X
Disconnect the 230 V mains connection (
X
Replace the charging cable fuse (
X
Have the cause of the faulty fuse and/or battery charger checked at
a qualified specialist workshop.
Your vehicle has two additional USB ports:
one behind the driver's seat on the front side
R
of the kitchen cupboard
one on the roof frame in the front section of
R
pop-up roof :
Using these USB ports, you can charge consum-
ers with a USB connection cable. Before closing
the pop-up roof, disconnect the consumer from
the USB port in the pop-up roof.
i The USB ports are supplied with current
from the 230 V and 12 V power supply.
Y
Y
Y
Y
page 66).
result in a fire. There is a risk of an accident
and injury.
Always replace faulty fuses with specified new
fuses of the correct amperage.
! Only use fuses that have been approved for
Mercedes-Benz vehicles and which have the
correct fuse rating for the system concerned.
page 64).
Y
page 64).
page 64).
page 64).