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Practical hints
Battery
Charging and reinstalling the battery ̈ Charge battery in accordance with the
instructions of the battery charger
manufacturer.
̈ Reinstall the charged battery. Follow
the previously described steps in
reverse order.
Reconnecting the battery
̈ Turn off all electrical consumers.
̈ Remove SmartKey from starter switch.
̈ Connect the battery positive lead and
fasten its cover 2.
̈ Connect the battery negative lead.
̈ Reinstall the filter box (୴ page 412).
Batteries contain materials that can harm
the environment if disposed of improperly.
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.
Warning! G
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit approved by Mercedes-Benz is
being used. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
An accessory battery charge unit specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available, permitting the charging of the bat-
tery in its installed position. Contact an au-
thorized Mercedes-Benz Center for
information and availability. Charge battery
in accordance with the separate instruc-
tions for the accessory battery charger.
!
The battery, its filler caps and the bat-
tery ventilation tube must always be se-
curely installed when the vehicle is in
operation.
!
NEVER invert the terminal connections!
i
The following procedures must be
carried out following any interruption of
battery power (e.g. due to reconnec-
tion):
ț Set the clock (୴ page 145).
Vehicles with COMAND*:
See COMAND operator’s manual.
ț Synchronize side windows
(
୴ page 242).
ț Synchronize tilt/sliding sunroof*
(
୴ page 246).