Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 468)

467
Practical hints
Battery
Step 5 (Disconnecting)
5 Protection cover
6 Battery
̈ Unclip protection cover 5 from
battery 6 and remove it.
Step 6 (Disconnecting)
7 Positive terminal
8 Negative terminal
̈ Disconnect battery negative lead 8
from negative terminal.
̈ Remove positive terminal cover.
̈ Disconnect the battery positive
lead
7.
Step 7 (Removing)
9 Battery ventilation tube
a Attachment nut
b Mounting
̈ Remove the battery ventilation tube 9
by pulling it out.
̈ Remove the battery attachment
nuts
a using a 6 mm T-handle hex key
(not supplied with vehicle) with a shaft
length of min. approx. 12 in (30 cm).
̈ Remove mounting b.