Battery (Vehicle) - Mercedes-Benz GLA 250 2019 Operator's Manual

or sparks are created, the hydrogen gas can
ignite. There is a risk of an explosion.
Make sure that the positive terminal of a
R
connected battery does not come into
contact with vehicle parts.
Never place metal objects or tools on a
R
battery.
It is important that you observe the
R
described order of the battery terminals
when connecting and disconnecting a bat-
tery.
When jump-starting, make sure that the
R
battery poles with identical polarity are
connected.
It is particularly important to observe the
R
described order when connecting and dis-
connecting the jumper cables.
Never connect or disconnect the battery
R
terminals while the engine is running.
G
WARNING
Battery acid is caustic. There is a risk of
injury.
Avoid contact with skin, eyes or clothing. Do
not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash away battery acid immedi-
ately with plenty of clean water and seek
medical attention.
H
Environmental note
Batteries contain pollutants.
It is illegal to dispose of
them with the household
rubbish. They must be col-
lected separately and dis-
posed of in an environmen-
tally responsible recycling
system.
Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop or to a col-

Battery (vehicle)

lection point for used bat-
teries.
!
Have the battery regularly checked at a
qualified specialist workshop.
Comply with the service intervals in the
Maintenance Booklet, or contact a qualified
specialist workshop for more information.
!
You should have all work involving the bat-
tery carried out at a qualified specialist
workshop. In the exceptional case that it is
necessary for you to disconnect the battery
yourself, make sure that:
switch off the engine and remove the
R
SmartKey. On vehicles with KEYLESS-GO,
make sure that the ignition is switched
off. Check that all the indicator lamps in
the instrument cluster are off. Otherwise,
electronic components, such as the alter-
nator, may be damaged.
you first remove the negative terminal
R
clamp and then the positive terminal
clamp. Never swap the terminal clamps.
Otherwise, the vehicle's electronic system
may be damaged.
in vehicles with automatic transmission,
R
the transmission is locked in position j
after the battery is disconnected. The
vehicle is secured against rolling away.
You can then no longer move the vehicle.
The battery and the cover of the positive ter-
minal clamp must be installed securely dur-
ing operation.
Comply with safety precautions and take pro-
tective measures when handling batteries.
Risk of explosion.
Fire, open flames and smoking are
prohibited when handling the bat-
tery. Avoid creating sparks.
Battery acid is caustic. Avoid con-
tact with skin, eyes or clothing.
Wear suitable protective clothing,
especially gloves, apron and face-
guard.
Rinse any acid spills immediately
with clear water. Contact a physi-
cian if necessary.
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