Mercedes-Benz E-Class Estate 2021, Owner'S Manual

Page: 362 / 533

If you have to disconnect the 12 V battery, con-
tact a quali ed specialist workshop.
Comply with safety notes and take protective
measures when handling batteries.
Risk of explosion.
Fire, naked ames and smoking are
prohibited when handling the battery.
Avoid creating sparks.
Electrolyte or battery acid is corrosive.
Avoid contact with the skin, eyes or
clothing. Wear suitable protective
clothing, in particular gloves, an apron
and a face mask. Immediately rinse
electrolyte or acid splashes o with
clean water. Consult a doctor if neces-
sary.
Wear safety glasses.
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:
R
Activate standby mode.
R
Alternatively: connect the battery to a battery
charger approved by Mercedes-Benz or con-
sult a quali ed specialist workshop to discon-
nect the battery.
NNoottes on st es on star arting assist ting assistance and c ance and char harging t ging the 12 he 12
V batt V battery ery
All v All vehicles ehicles
When charging the battery and during starting
assistance, always use the jump-start connection
point in the engine compartment.
* NNOOTE 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.
&
W WARNING ARNING Risk of explosion due to the
ignition of hydrogen gas
If there is a short circuit or sparks are created,
there is a danger of hydrogen gas igniting
when you charge the battery.
#
Make sure that the POSITIVE terminal of
a connected 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 terminals described.
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