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Practical hints
Battery
!
The battery is a valve-regulated lead
acid (VRLA) battery, also referred to as
"fleece" battery. Such batteries do not
require topping-up of the electrolyte
level. VRLA batteries therefore do not
have cell caps and the battery cover is
non-removable. Do not attempt to
open the battery as otherwise the bat-
tery will be damaged.
488
Even though VRLA batteries do not
require topping-up of the electrolyte
level and cannot be opened to check
the electrolyte level, the battery condi-
tion must be checked periodically by
performing a battery conductance test.
Refer to Maintenance Booklet for bat-
tery condition testing intervals.
As with any other battery, the battery
may discharge if the vehicle is not
operated for an extended period of
time. You can connect a battery
maintenance charge unit tested and
approved for use on your vehicle model
or disconnected the battery to prevent
battery discharge. Contact an
authorized Mercedes-Benz Light Truck
Center for more information.
!
The factory-equipped VRLA battery is
leak-proofed. Only use a battery as re-
placement that has the same security
features and is of identical size,
voltage, and capacity as the
factory-equipped battery.
The battery, the battery ventilation and
the lateral plug must always be
securely installed when the vehicle is in
operation.
Warning!
Jump starting must only be done using the
jump-start contacts located in the engine
compartment ( page 496).
G
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