Battery - Mercedes-Benz 1989 560 SL Owner's Manual

Battery
The battery is located in the trunk.
Check electrolyte level in each cell
approximately every
3
months, and
more frequently during the summer
and in hot climates.
Refill battery only with distilled wat-
er. Do not use metal funnels or
push through the overfill-protection
diaphragms in filler holes.
The battery is completely filled
when the water stops draining
through the overfill-protection
diaphragm.
To check the battery charge with a
hydrometer, push its tip through the
overfill-protection diaphragm and
take an electrolyte sample.
84
Coat battery terminal clamps with
acid-proof grease. Keep battery
clean and dry.
The service life of the battery is
also dependent on its condition of
charge. It must be maintained suffi-
ciently charged for the battery to
last an optimum length of time.
Therefore, we recommend that you
have the battery charge checked
frequently if you use the vehicle
mostly for short distance trips, or if
it is not used for long periods of
time.
Only charge battery with a battery
charger when it is disconnected
from the vehicle electrical circuit.
Warning!
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;
if necessary seek medical help.
A battery will also produce
hydrogen gas, which is flam-
mable and explosive. Keep
flames or sparks away from
battery, avoid improper con-
nection of jumper cables,
smoking, etc..
While the engine is running the
battery terminal clamps must
not be loosened or detached
as otherwise the alternator and
other electronic units would be
damaged.
Only tow vehicle with the bat-
tery connected.