Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 439

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436 Breakdown assistance
436
Keep children away.
Observe this Owner's Manual.
Observe the following if you do not intend to use
the vehicle over an extended period of time:
Activate standby mode.
R
Alternatively: connect the battery to a battery
R
charger approved by Mercedes-Benz or con-
sult a quali ed specialist workshop to discon-
nect 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
V V ehicles wit
ehicles with a lit
h a lithium-ion batt
hium-ion 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-
#
mum charging voltage of 14.8 V.
All other v
All ot
her vehicles
ehicles
When charging the battery and during starting
assistance, always use the jump-start connection
point in the engine compartment.
* NO
NOTE TE Damage to the battery from over-
voltage
harging t
ging the 12
he 12
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-
#
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-
#
nected to a battery does not come into
contact with vehicle parts.
Never place metal objects or tools on a
#
battery.
When connecting and disconnecting the
#
battery, always observe the sequence of
battery clamps described.
Take care to only connect battery termi-
#
nals of identical polarity when receiving
starting assistance.
Observe the sequence described for
#
connecting and disconnecting the jump
leads when receiving starting assistance.
Do not connect or disconnect the bat-
#
tery terminals while the engine is run-
ning.

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