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other qualified service center or repair shop
register the vehicle battery to the vehicle
after the battery has been replaced. Once
the battery has been registered again, all
comfort features will be available without
restriction and any Check Control messages
displayed which relate to comfort features
will disappear.
Charging the battery
General information
Make sure that the battery is always suffi-
ciently charged to guarantee that the bat-
tery remains usable for its full service life.
A discharged battery is indicated by
a red indicator light.
Charge the battery in the following situa-
tions:
– When the inspection glass on the top of
the battery is black.
– When the take-off performance is insuf-
ficient.
The following circumstances can have a
negative effect on the performance of the
battery:
– Frequent short-distance drives.
– The vehicle is not used for more than a
month.
Safety information
NOTICE
Battery chargers for the vehicle battery
can work with high voltages and currents,
which means that the 12 volt on-board
network can be overloaded or damaged.
There is a risk of damage to property. Only
connect battery chargers for the vehicle
battery to the starting aid terminals in the
engine compartment.
Charging the battery
Charge the battery only when the engine is
off and via the starting aid terminals, refer
to page 304, in the engine compartment.
Power failure
After a power loss, some equipment needs
to be newly initialized or individual settings
updated, for example:
– Memory function: store the positions
again.
– Time: update.
– Date: update.
Disposing of old batteries
Have old batteries disposed of by a
dealer’s service center or another
qualified service center or repair
shop or take them to a collection point.
Maintain the filled battery in an upright po-
sition for transport and storage. Secure the
battery so that it does not tip over during
transport.
Fuses
Safety information
Warning
Incorrect and repaired fuses can overload
electrical lines and components. There is a
risk of fire. Never attempt to repair a
blown fuse. Do not replace a nonworking
fuse with a substitute of another color or
amperage rating.
Seite 299
Replacing components MOBILITY
299
Online Edition for Part no. 01402667273 - VI/19
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