Mercedes-Benz SL-Class - Manual (Page 403)

401
Practical hints
Batteries
̄ Batteries
For more information on batteries, see
“Battery” (
୴ page 277).
Your vehicle is equipped with two
batteries:
ț The starter battery
ț The battery for electrical consumers
(consumer battery), located in the
trunk
The starter battery is located on the
right-hand side of the engine compart-
ment.
1 Positive terminal
2 Negative terminal
The consumer battery is located on the
right-hand side of the trunk.
3 Positive terminal
4 Negative terminal
!
The starter battery, its filler caps, and
the vent tube must always be securely
installed when the vehicle is in opera-
tion.
!
The consumer battery located in the
trunk is 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 consumer battery as other-
wise the battery will be damaged.
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, disconnect
the consumer battery if you do not in-
tend to operate your vehicle for an
extended period of time to prevent bat-
tery discharge. Contact an authorized
Mercedes-Benz Center for further infor-
mation.