Keep children away.
Observe this Operator's Manual.
If you do not intend to use the vehicle over an
extended period of time:
R
activate standby mode, or
R
connect the battery to a battery charger
approved by Mercedes-Benz, or
R
consult a qualified specialist workshop to
disconnect the battery
Notes on starting assistance and charging
the 12 V battery
When charging the battery and during starting
assistance, always use the jump-start connec‐
tion point in the engine compartment.
*
NOTE Damage to the battery from over‐
voltage
When charging using a battery charger with‐
out a maximum charging voltage, the battery
or the on-board electronics may be damaged.
#
Only use battery chargers with a maxi‐
mum charging voltage of 14.8 V.
&
WARNING Risk of explosion from hydro‐
gen gas igniting
There is a danger of hydrogen gas igniting
when charging the battery if there is a short
circuit or sparks start to form.
#
Make sure that the positive terminal of
the connected battery does not come
into contact with vehicle parts.
#
Never place metal objects or tools on a
battery.
#
The described order of the battery
clamps must be observed when con‐
necting and disconnecting the battery.
#
When giving starting assistance, always
make sure that you only connect bat‐
tery terminals with identical polarity.
#
During starting assistance, you must
observe the described order for con‐
necting and disconnecting the jumper
cable.
#
Do not connect or disconnect the bat‐
tery clamps while the engine is running.
&
WARNING Risk of explosion during
charging process and starting assistance
During the charging process and starting
assistance, the battery may release an explo‐
sive gas mixture.
#
Avoid fire, open flames, creating sparks
and smoking.
#
Make sure there is sufficient ventila‐
tion.
#
Do not lean over a battery.
294
Breakdown assistance
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