Mercedes-Benz S420 Automobile User Manual


 
107
Battery
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..
The maintenance-free battery is located
in the trunk under the right-hand wheel
well cover panel.
The service life of the battery is
dependent on its condition of charge.
The battery should always
be kept sufficiently charged, in order to
last an optimum length of time.
Therefore, we strongly recommend
that you have the battery charge
checked frequently, and corrected if
necessary, especially if you use the
vehicle less than approximately 200
miles (300 km) per month, mostly for
short distance trips, or if it is not
used for long periods of time.
Only charge a battery with a battery
charger after the battery has been
disconnected from the vehicle
electrical circuit.
Always disconnect the battery negative
lead first and connect last.
When removing and connecting the
battery, always make sure that all
electrical consumers are off and the
key is in steering lock position 0. The
battery and its vent tube must always
be securely installed when the car is in
operation.
While the engine is running the battery
terminal clamps must not be loosened
or detached, otherwise the generator
and other electronic components would
be damaged.
Note:
After reconnecting the battery also
resynchronize the Express feature of
the power windows and the Adaptive
Damping System (ADS) (see Power
Windows and ADS in Index).
Battery Recycling
Batteries contain materials that can
harm the environment with improper
disposal.
Large 12 Volt storage batteries
contain lead.
Recycling of batteries is the preferred
method of disposal.
Many states require sellers of
batteries to accept old batteries for
recycling.