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Battery replacement
CAUTION
Vehicle batteries that are not compatible
can damage vehicle systems and impair vehicle
functions. There is a risk of personal and prop‐
erty damage. Only vehicle batteries that are
compatible with your vehicle type should be in‐
stalled in your vehicle. Information on compati‐
ble vehicle batteries is available at your dealer’s
service center.◀
After a battery replacement, the manufacturer
of your vehicle recommends that the vehicle
battery be registered on the vehicle by a
dealer’s service center or another qualified
service center or repair shop to ensure that all
comfort features are fully available and that
any Check Control messages of these comfort
features are no longer displayed.
Charging the battery
General information
Make sure that the battery is always sufficiently
charged to guarantee that the battery remains
usable for its full service life.
The battery may need to be charged in the fol‐
lowing cases:
▷ When making frequent short-distance
drives.
▷ If the vehicle is not used for more than a
month.
▷ Steptronic transmission: when parked for
long periods of time in selector lever posi‐
tion D, R or N.
Information
CAUTION
Battery chargers for the vehicle battery
can work with high voltages and currents,
which means that the 12 volt on-board net‐
work can be overloaded or damaged. There is
risk of property damage. Only connect battery
chargers for the vehicle battery to the starting
aid terminals in the engine compartment.◀
Starting aid terminals
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 217, in the
engine compartment with the engine off.
Power failure
After a power loss, some equipment needs to
be newly initialized or individual settings up‐
dated, for example:
▷ Time: update.
▷ Date: update.
▷ Navigation system: wait for the operability
of the navigation.
▷ Seat and mirror memory: store the posi‐
tions again.
▷ Glass sunroof: initialize the system, refer to
page 49.
Disposing of old batteries
Have old batteries disposed of by a
dealer’s service center or another quali‐
fied service center or repair shop or
take them to a collection point.
Maintain the battery in an upright position for
transport and storage. Secure the battery so
that it does not tip over during transport.
Fuses
Information
WARNING
Incorrect and repaired fuses can overload
electrical lines and components. There is 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 214
MOBILITY
Replacing components
214
Online Edition for Part no. 01 40 2 964 571 - X/15
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