Mercedes-Benz S-Class 2020 Operator's Manual page 435

Risk of explosion.
Fire, open flames and smoking are
prohibited when handling the battery.
Avoid creating sparks.
Electrolyte or battery acid is corro‐
sive. 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 off
with clean water. Consult a doctor if
necessary.
Wear safety glasses.
Keep children away.
Observe this Operator'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 bat‐
R
tery charger approved by Mercedes-Benz or
consult a qualified specialist workshop to
disconnect the battery.
Notes on starting assistance and on charg‐
ing the 12 V battery
Vehicles with a lithium-ion battery
When charging the battery and during starting
assistance, always use the jump-start connec‐
tion point in the engine compartment.
Breakdown assistance 433
* NOTE Damaging the battery through
overvoltage
When charging using a battery charger with‐
out a maximum charging voltage, the battery
or the vehicle electronics may be damaged.
Only use battery chargers with a maxi‐
#
mum charging voltage of 14.8 V.
All other vehicles
When charging the battery and during starting
assistance, always use the jump-start connec‐
tion point in the engine compartment.
* NOTE Damaging the battery through
overvoltage
When charging using a battery charger with‐
out a maximum charging voltage, the battery
or the vehicle electronics may be damaged.
Only use battery chargers with a maxi‐
#
mum charging voltage of 14.8 V.