Charging The Battery - Mercedes-Benz C-Class Coupe Operator's Manual

i Remove the SmartKey if you park the
vehicle and do not require any electrical
consumers. The vehicle will then use very
little energy, thus conserving battery
power.
i
If the power supply has been interrupted,
e.g. if you reconnect the battery, you will
have to:
set the clock; see the separate operating
R
instructions.
On vehicles with COMAND and a naviga-
tion system, the clock is set automati-
cally.
reset the function for folding the exterior
R
mirrors in/out automatically by folding
the mirrors out once (

Charging the battery

G WARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a
risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over a battery.
G WARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing.
Do not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash battery acid immediately with
water and seek medical attention.
G WARNING
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.
This function is only available in vehicles for Canada.
4
4
page 103) .
Y
Battery (vehicle)
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 maxi-
mum 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.
X
Connect the battery charger to the positive
X
terminal and ground point in the same
order as when connecting the donor bat-
tery in the jump-starting procedure
( page 294).
Y
Read the battery charger's operating
X
instructions before charging the battery.
page 294).
Y
Z
293