Mercedes-Benz B-Class Owner's Manual page 365

362 Breakdown assistance
362
Keep children away.
Observe this Owner's Manual.
If you do not intend to use the vehicle over an
extended period of time:
activate standby mode, or
R
connect the battery to a battery charger
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approved by Mercedes-Benz, or
consult a quali ed specialist workshop to dis-
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connect the battery
N N o o t t es on st es on star arting assist ting assistance and c ance and char
V batt V battery ery
When charging the battery and during starting
assistance, always use the jump-start connection
point in the engine compartment.
* N N O O TE TE Damage to the battery from over-
voltage
When charging using a battery charger without
a restriction of the maximum charging voltage,
the battery or the on-board electronics can be
damaged.
Only use battery chargers with a maxi-
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mum charging voltage of 14.8 V.
& W W ARNING
ARNING Risk of explosion due to hydro-
gen gas igniting
If, when charging a battery, there is a short
circuit or sparks start to form, there is a dan-
ger of hydrogen gas igniting.
Take care that the positive clamp con-
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nected to a battery does not come into
harging t ging the 12 he 12
contact with vehicle parts.
Never place metal objects or tools on a
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battery.
When connecting and disconnecting the
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battery, always observe the sequence of
battery clamps described.
Take care to only connect battery termi-
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nals of identical polarity when receiving
starting assistance.
Observe the sequence described for
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connecting and disconnecting the jump
leads when receiving starting assistance.
Do not connect or disconnect the bat-
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tery terminals while the engine is run-
ning.
& W W ARNING
ARNING Risk of explosion due to explo-
sive mixture of gases
An explosive mixture of gases can escape
from the battery during charging and starting
assistance.
Fire, naked ames, smoking and creating
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sparks must be avoided.
Make sure there is adequate ventilation.
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Do not stand over the battery.
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