Reconnecting the battery
!
Always connect the battery in the order
described below. Otherwise the vehi-
cle's electronics can be damaged.
Turn off all electrical consumers.
Remove SmartKey from starter switch.
Vehicles with KEYLESS-GO*:
Open the driver's door.
Connect the battery positive lead and
fasten its cover 3.
Connect the battery negative lead 2.
!
Never invert the terminal connections!
Reinstall the filter box ( page 426).
i
The following procedures must be
carried out following any interruption of
battery power (e.g. due to reconnect-
ing):
Set the clock ( page 157).
Vehicles with COMAND*:
see COMAND operator's manual.
Synchronize the side windows
( page 248).
Synchronize the tilt/sliding
sunroof* ( page 253).
Practical hints
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.
Battery
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