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Battery
204
Particularly avoid fire, naked flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over a battery.
If, at low temperatures, the indicator/warning
lamps do not light up in the instrument cluster, it
is very likely that the discharged battery has fro-
zen.
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.
Allow the frozen battery to thaw out before
charging it or jump-starting.
It is recommended that you have the thawed
battery checked at a qualified specialist work-
shop.
!
Vehicles with a petrol engine: avoid
repeated and lengthy starting attempts. Oth-
erwise, the non-combusted fuel may damage
the catalytic converter.
!
Only charge the fitted battery with a battery
charger that has been tested and approved by
Mercedes-Benz. This device allows the bat-
tery to be charged when it is fitted in the vehi-
cle. The vehicle's electronics system may oth-
erwise be damaged.
!
Only charge the battery using the jump-start
connection point.
When jump-starting and charging the battery,
observe the following points:
only use jump leads/charging cables that are
R
not damaged and have a sufficient cross-sec-
tion and insulated terminal clamps.
non-insulated parts of the terminal clamps
R
must not come into contact with other metal
parts while the jump leads/charging cables
are connected to the battery/jump-starting
connection point.
the jump leads/charging cables must not
R
come into contact with parts that can move
when the engine is running.
always make sure that neither you nor the
R
battery is electrostatically charged.
keep away from fire and naked flames.
R
do not lean over a battery.
R
When charging: only use a battery charger
R
that has been tested and approved by
Mercedes-Benz and read the operating
instructions for your charger before charging
the battery.
When jump-starting, also observe the following
points:
the vehicles must not touch each other.
R
jump-starting may only be performed from
R
batteries with a nominal voltage of 12 V.
petrol engine: jump-start the vehicle only
R
when the engine and exhaust system are cold.
secure the vehicle by applying the parking
X
brake.
automatic transmission: shift the transmis-
X
sion to position j.
manual transmission: engage neutral i.
X
make sure the ignition and all electrical con-
X
sumers are switched off.
open the bonnet.
X
Fold cover ; of the positive terminal = on
X
the jump-starting connection point upwards.
Connect positive terminal = on your vehicle
X
to positive terminal of the battery of another
vehicle using the jump lead/charging cable.
Always begin with positive terminal = on
your own vehicle first.
When jump-starting: start the engine of the
X
donor vehicle and leave it running at idling
speed.
Connect the negative terminal of the battery
X
of another vehicle to earth point : to your
own vehicle using the jump lead/charging
cable. Begin with the battery of another vehi-
cle.
When jump-starting: start the engine on
X
your own vehicle.
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