Mercedes-Benz GLC 300, Operator'S Manual

Page: 306 / 462

Observe this Operator'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 bat‐
tery charger approved by Mercedes-Benz or
consult a qualified specialist workshop to
disconnect the battery.
Notes on starting assistance and charging
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.
* 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.
All other vehicles
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.
304 Breakdown assistance