Mercedes-Benz 2008 M-Class Operator's Manual page 496

Step 8 (Removing)
c Battery
Tilt the battery c with the negative
terminal side upwards.
Take out the battery maintaining its
tilted position in the direction of the
arrow.
Step 9 (Reinstalling)
Carry out step 8 in reverse order
( page 495).
!
The battery, the battery ventilation hose 9
and the lateral plug d ( page 495) must
always be securely installed when the vehicle is
in operation.
Battery, shown removed for illustration
9 Battery ventilation hose
d Vent plug
Practical hints
Carry out step 10 to reconnect the
battery ( page 495).
Follow steps 5 to 1 in reverse order to
completely reinstall the battery
( page 494) to ( page 491).
Step 10 (Reconnecting)
If the battery has been removed, first
carry out step 8 in reverse order
( page 495).
Open the driver's door.
Make sure all electrical consumers are
turned off.
Make sure the SmartKey is removed
from the starter switch.
Vehicles with KEYLESS-GO*:
Make sure the vehicle's on-board
electronics have status 0 (Open the
driver's door. With the driver's door
open, the vehicle's on-board elec-
tronics have status 0, same as with
the SmartKey removed from the
starter switch ( page 39)).
Battery
495