Warning
Vehicle batteries that are not recom-
mended can damage vehicle systems and
impair vehicle functions. There is a risk
of accident, injury, or property damage.
Only use vehicle batteries recommended
by the vehicle manufacturer. For informa-
tion on suitable vehicle batteries, contact
an authorized service center or another
qualified service center or repair shop.
Registering the vehicle battery in
the vehicle
The vehicle manufacturer recommends hav-
ing an authorized service center or another
qualified service center or repair shop regis-
ter the vehicle battery to the vehicle after
the battery has been changed. Once the bat-
tery has been registered again, all comfort
features will be available without limitation
and any Check Control messages displayed
which relate to comfort features will disap-
pear.
Charging the vehicle battery
Principle
Make sure that the vehicle battery is always
sufficiently charged to ensure that the vehi-
cle battery can be used for its entire service
life.
A discharged battery is indicated by
a red indicator light.
Charge the vehicle battery when the drive-
off power is insufficient.
The following circumstances can negatively
affect the vehicle battery's performance:
– Frequent short-distance drives.
– Stationary periods of more than one
month.
Safety information
Warning
Battery chargers that charge the vehicle
battery via sockets or cigarette lighters in
the vehicle may overload or damage the
12 V electrical system. There is a risk of
injury or risk of damage to property. Only
connect battery chargers for the vehicle
battery to the jump-start terminals in the
engine compartment.
Charging the vehicle battery
To charge the vehicle battery, first switch
off the engine, then use the jump-start ter-
minals in the engine compartment.
Additional information:
Jump-start terminals, refer to page 336.
Power interruption
After a power interruption, some equipment
needs to be newly initialized or individual
settings updated, for example:
– Initialize the parking brake.
– With memory function: Save the posi-
tions again.
– Update the time.
– Update the date.
– With glass sunroof: Initialize the sys-
tem.
Additional information:
Initialize the parking brake after a power
interruption, refer to page 127.
Deep sleep mode
Use deep sleep mode for long stationary pe-
riods.
Additional information:
Deep sleep mode, refer to page 40.
Seite 330
MOBILITY Replacing components
330
Online Edition for Part no. 01405B37A59 - II/24
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