Replacing parts
MOBILITY
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Keep the battery and vehicle connection
contacts clean.
Battery charger
Battery chargers developed especially for the
vehicle and suitable for the electrical system
can be obtained from an authorised Service
Partner or another qualified Service Partner or
a specialist workshop.
First connect the power at the positive ter-
minal. Then connect the power at the neg-
ative terminal.
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Use the connections, connectors and cov-
ers provided.
Charging the battery
Only charge the battery via the starting aid ter-
minals in the engine compartment and with
the engine switched off.
Connect a hose to the gas outlet opening if
necessary.
Initial operation
The battery is operational. No special precau-
tions are required for start-up.
With mild hybrid technology: only charge the
battery when the bonnet is open.
For further information:
Charging the battery
Jump start terminals, see page 418.
General
Open circuit
Following an open circuit, some equipment will
have to be reinitialised or individual settings
will need to be updated, for example:
To ensure the full service life of the battery,
keep the battery sufficiently charged.
Charge the battery under the following situa-
tions:
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Parking brake, see page 149.
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If the inspection glass on the top of the bat-
tery is black.
With memory function: save positions
again.
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If there is not enough power to start the
vehicle.
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Time: update.
Date: update.
The following conditions can have a negative
effect on battery performance:
Deep sleep mode
Use deep sleep mode for long stationary peri-
ods.
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Frequently driving short distances.
If the vehicle is not used for a period of one
month or longer.
For further information:
Rest state, see page 46
Safety information
Storing the battery
Observe the following information on storing
vehicle batteries:
WARNING
Battery chargers that charge the vehicle bat-
tery via sockets or cigarette lighters in the
vehicle may overload or damage the 12 V
electrical system. There is a danger of injury
or material damage. Only connect battery
chargers for the vehicle battery to the starting
aid terminals in the engine compartment.
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Store the battery in a cool and dry place.
Protect the battery from direct sunlight and
frost.
▷
Only clean the battery with a damp, anti-
static cloth.
410
Online Edition for Part no. 01405A7D5D0 - II/23