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Warning!
Never charge a battery while still installed in
the vehicle. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
Reconnecting the batteries
Turn off all electrical consumers.
Connect the positive lead and fasten its
cover.
Connect the negative lead.
!
NEVER invert the terminal connections!
The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
i
G
The following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnec-
tion):
Set the clock ( page 136) (vehi-
cles with COMAND*: see COMAND
operator's manual).
Resynchronize the front seat head
restraints ( page 104).
Resynchronize the ESP
( page 75).
Re-enter the radio code (see radio
operating instructions).
Resynchronize the side windows
( page 186).
Resynchronize the sliding/pop-up
roof* ( page 189).
Practical hints
Batteries
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.
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