Mercedes-Benz S-Class Coupe 2018, Operator'S Manual

Page: 351 / 502

Wear safety glasses.
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
Starting assistance and charging the 12 V
battery
Vehicles with a lithium-ion battery
#
When charging the battery and during start‐
ing assistance, always use the jump-start
connection 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 14.4 V.
* NOTE Shortening the service life of the
battery by charging the battery at low
temperatures
Charging the battery at very low tempera‐
tures may shorten the service life of the bat‐
tery and have a negative effect on starting.
#
Do not charge the battery at very low
temperatures.
All other vehicles
#
When charging the battery and during start‐
ing assistance, always use the jump-start
connection 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.
&
WARNING Risk of explosion from hydro‐
gen gas igniting
A battery generates hydrogen gas during the
charging process. If there is a short circuit or
sparks start to form, there is a danger of the
hydrogen gas igniting.
Breakdown assistance 349