Disconnecting The Battery; Removing The Batteries; Batteries; Reconnecting The Batteries - Mercedes-Benz 2004 M-Class Operator's Manual

Disconnecting the battery

Warning!
With a disconnected battery
you will no longer be able to turn the key
in the steering lock
the gear selector lever will remain
locked in position P
Depress parking brake firmly or move
gear selector lever to position P.
Turn off all electrical consumers.
Remove key from the steering lock.
Open the hood ( page 217).
Disconnect the battery negative lead.
Remove the cover from the positive ter-
minal.
Disconnect the battery positive lead.

Removing the batteries

Remove the screw securing the bat-
G
tery.
Remove the battery support and brack-
et. Take out the battery.
Charging and reinstalling batteries
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.
Charge battery in accordance with the
instructions of the battery charger
manufacturer.
Reinstall the charged battery. Follow
the previously described steps in re-
verse order.
Practical hints

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!
G
!
The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
Battery
279