Safety information
DANGER
Contact with live components can lead to an
electric shock. There is a risk of injuries or dan‐
ger to life. Do not touch any components that
are under voltage.
Warning
Vehicle batteries that are not compatible can
damage vehicle systems and impair vehicle
functions. There is a risk of an accident and
damage to property. Only vehicle batteries that
are compatible with your vehicle type should be
installed in your vehicle. Information on com‐
patible vehicle batteries is available at your
dealer’s service center.
Register the battery to the
vehicle
The manufacturer of the vehicle recommends
that you have a service center or another quali‐
fied service center or repair shop register the ve‐
hicle battery to the vehicle after the battery has
been replaced. Once the battery has been regis‐
tered again, all comfort features will be available
without restriction and any Check Control mes‐
sages displayed which relate to comfort features
will disappear.
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.
A discharged battery is indicated by a red
indicator light.
Charge the battery in the following situations:
▷ When the inspection glass on the top of the
battery is black.
▷ When the take-off performance is insufficient.
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 electrical system can be
overloaded or damaged. There is a risk of dam‐
age to property. Only connect battery chargers
for the vehicle battery to the starting aid termi‐
nals in the engine compartment.
Charging the battery
Charge the battery only when the engine is off
and via the starting aid terminals in the engine
compartment.
With Mild Hybrid technology: charge the battery
only when the hood is opened.
Additional information:
Starting aid terminals, refer to page 404.
Power failure
After a power loss, some equipment needs to be
newly initialized or individual settings updated, for
example:
▷ With Memory function: store the positions
again.
▷ Time: update.
▷ Date: update.
▷ Glass sunroof: initialize the system.
Seite 397
Replacing components
MOBILITY
397
Online Edition for Part no. 01405A10FB7 - VI/20
