battery acid thoroughly with plenty of clean
water and seek medical attention at once.
A discharged battery can freeze at tempera-
tures below freezing point. When jump-start-
ing the vehicle or charging the battery, gases
can escape from the battery. There is a risk of
an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting.
!
Only use battery chargers with a maximum
charging voltage of 14.8 V.
X
X
the charger to the positive clamp and earth
point in the same order as the donor battery.
If the indicator/warning lamps do not light up in
the instrument cluster when temperatures are
low, it is probably because the discharged bat-
tery has frozen. Should this be the case, do not
jump-start the vehicle or charge the battery. The
service life of a thawed battery may be shorter.
Start-up behaviour may deteriorate, in particular
at low temperatures. Have the thawed battery
checked at a qualified specialist workshop.
Only charge the installed battery with a battery
charger which has been tested and approved by
Mercedes-Benz. A battery charger unit specially
adapted for Mercedes-Benz vehicles and tested
and approved by Mercedes-Benz is available as
an accessory. This device allows the battery to
be charged when it is fitted in the vehicle. Con-
tact a Mercedes-Benz Service Centre for infor-
mation and availability. Read the operating
instructions for your charger before charging
the battery.
Check the battery if three weeks or more have
elapsed since the last time the battery was
either checked or charged.
If the battery charge voltage is lower than
12.2 V, the battery must be charged.
If the vehicle is anticipated to be out of use for
longer than three weeks, disconnect the bat-
tery's earth line. This will prevent battery dis-
charge caused by off-load current consumption.
To prevent the battery from self-discharging, the
battery must be charged before using the vehi-
cle or, at the latest, after three months.
178
Battery
Breakdown assistance
Summary of Contents for Citan 2015
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