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Battery acid is caustic. Do
not allow it to come into
contact with skin, eyes or
clothing.
Wear suitable protective
clothing, especially
gloves, apron and face-
guard.
Wear eye protection.
Rinse any acid spills
immediately with clear
water. Contact a physi-
cian if necessary.
Keep children away.
Follow the instructions in
this Operator’s Manual.
Batteries contain materials that can harm the
environment if disposed of improperly. Large
12-volt storage batteries contain lead. Recy-
cling of batteries is the preferred method of
disposal. Many states require sellers of bat-
teries to accept old batteries for recycling.
G
Warning!
Failure to follow these instructions can
result in severe injury or death.
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with
eyes, skin or clothing. In case it does,
immediately flush affected area with water
and seek medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking etc.
G
Warning!
Do not place metal objects on the battery
as this could result in a short circuit.
Use leak-proof batteries only to avoid the
risk of acid burns in the event of an acci-
dent.
!
As with any other battery, have the bat-
tery disconnect at a qualified workshop or
an authorized Mercedes-Benz Center if you
do not intend to operate your vehicle for an
extended period of time to prevent battery
discharge. You may also connect an acces-
sory battery charge unit expressly
approved by Mercedes-Benz for your vehi-
cle model to maintain the battery charge.
Contact an authorized Mercedes- Benz
Center for further information.
The battery, the battery ventilation hose
and the lateral plug must always be
securely installed when the vehicle is in
operation.
!
Never loosen or detach battery terminal
clamps while the engine is running or the
SmartKey is in the starter switch. Other-
wise the alternator and other electronic
components could be severely damaged.
Have the battery checked regularly at an
authorized Mercedes-Benz Center.
Refer to Maintenance Booklet for mainte-
nance intervals or contact an authorized
Mercedes-Benz Center for further informa-
tion.
i
Only replace a discharged battery with a
battery recommended by Mercedes-Benz.
Practical hints