Mercedes-Benz SLS-Class 2013 Owners Manual - Manual (Page 241)

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.
! Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment (
Y
page 240).
Never charge the battery if it is still installed
in the vehicle, unless you use 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. It permits the
charging of the battery in its installed
position. Contact an authorized Mercedes-
Benz Center for further information and
availability. Charge the battery in accordance
with the separate instructions for the
accessory battery charger.
Read the battery charger's operating
instructions before charging the battery.
X Open the hood (
Y
page 214).
X Connect the battery charger to the positive
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
(
Y
page 240).
Battery
239
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