Important Safety Notes - Mercedes-Benz S-Class Operator's Manual

Charging the high-voltage battery (plug-in hybrid vehicles)
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The charging cable and connector will only
heat up within the permissible limiting values,
provided that:
the power supply and the charging cable
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are not damaged
the instructions for handling the charging
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cable and controls on the charging cable
are observed
If the charging cable or plug get too hot, have
the mains power supply checked.
Protection device against overvoltage
! Overvoltage in the mains supply may
damage the vehicle. For this reason, the
vehicle is equipped with a protection device
against overvoltage in the mains supply.
This device may be triggered during severe
thunderstorms, for example, and may lead
to the building's fuse being tripped and an
interruption in the power supply. These
functions protect the vehicle. After the
building fuse is switched on again, the
charging process resumes automatically.
Following an interruption in the power sup-
ply or tripping of the building's fuse, it may
take up to 10 minutes for charging to
resume automatically.
Switch on the building's fuse again after it has
been triggered. Otherwise, the charging proc-
ess cannot be continued.
General information about the charging
procedure
Pay attention to the important safety notes
( page 209).
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If you unlock/lock the vehicle from the out-
side, the charge socket flap also unlocks/
locks.
The charge socket flap is behind the bumper
on the right-hand side below the rear lamp
cluster.
Charging the high-voltage battery via
the electrical outlet
Charging cable for mains sockets

Important safety notes

! Only use the charging cable to charge the
high-voltage battery. Do not use the charg-
ing cable for other purposes. It may other-
wise be damaged.
A charging cable for connection to the mains
socket is included with the vehicle. Only use
the charging cable included with the vehicle
or charging cables that have been approved
for the vehicle.
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If you use the supplied 12 A charging
cable to charge a high-voltage battery:
the charge time increases considerably
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electrical consumption increases consid-
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erably
Where possible, charge the high-voltage
battery at a charging station (
Only then can certified electrical energy
consumption levels be reached.
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The charging process can vary depending
on the power supply. Therefore, always
observe the local information.
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For short charge times (charging with
16A), connect the fast-charging cable to
the wallbox/charging station. You can also
use the optionally available charging cable
with the CE plug.
Information about charging from a wallbox
can be found at ( page 215).
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Information about charging at a charging sta-
tion can be found at (
Stowing the charging cable
The charging cable can be stowed in the bag
supplied in the trunk of the vehicle and held in
place with the Velcro fastener.
page 216).
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page 216).
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