Mercedes-Benz GLK-Class Operator's Manual page 319

Allow the frozen battery to thaw out before
charging it or jump-starting.
! 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 in the vehicle.
! 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 (
Open the hood ( page 300).
X
Y
Connect the battery charger to the positive
X
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
( page 318).
Y
Read the battery charger's operating
X
instructions before charging the battery.
page 318).
Y
Battery (vehicle)
Z
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