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switched off. Check that all the indicator
lamps in the instrument cluster are off. You
may otherwise destroy electronic
components, such as the alternator.
!
Like other batteries, the vehicle battery
may discharge over time if you do not use
the vehicle. In this case, have the battery
disconnected at a qualified specialist
workshop, e.g. an authorized Mercedes-
Benz Center. You can also charge the
battery with a charger recommended by
Mercedes-Benz. Contact an authorized
Mercedes-Benz Center for further
information.
The battery, breather hose and cover of the
positive terminal clamp must be installed
securely during operation.
i
Remove the key if you park the vehicle
and do not require any electrical
consumers. The vehicle will then use very
little energy, thus conserving battery
power.
Mercedes-Benz recommends that you do not
carry out work on batteries yourself, e.g.
removing, charging or replacing. Always have
this work performed at a qualified specialist
workshop, e.g. an authorized Mercedes-Benz
Center.
i If the power supply has been interrupted,
e.g. if the battery has been reconnected,
you must carry out the following tasks:
R
set the clock (Y page 179).
R
reset the function for automatically
folding the exterior mirrors in/out by
folding the mirrors out once
(Y page 100).
Charging the battery
G
Warning
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit approved by Mercedes-Benz is
being used. Gases may escape during
charging and cause explosions that may
result in paint damage, corrosion or personal
injury.
An accessory battery charge unit specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available. It permits the charging of the
battery in its installed position. Contact an
authorized Mercedes-Benz Center for
information and availability.
Charge the battery in accordance with the
separate instructions for the accessory
battery charger.
G
Warning!
There is a risk of acid burns during the
charging process due to the gases which
escape from the battery. Do not lean over the
battery during the charging process.
G
Warning!
Battery acid is caustic. Avoid contact with the
skin, eyes or clothing.
!
Only charge the installed battery with a
battery charger which has been tested and
approved by Mercedes-Benz. These battery
chargers allow the battery to be charged
while still installed.
!
Only use battery chargers with a
maximum charging voltage of 14.8 V.
!
Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment (Y page 262).
X
Open the hood (Y page 238).
X
Connect the battery charger to the positive
terminal and earth point in the same order
as when connecting the donor battery in
the jump-starting procedure
(Y page 262).
Battery
261
Breakdown assistance
BA 204 USA, CA Edition A 2011; 1; 5, en-US
hereepe Version: 3.0.3.6
2010-05-20T09:17:30+02:00 - Seite 261
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