Mercedes-Benz 2008 M-Class Operator's Manual page 473

Practical hints
Replacing bulbs
Opening the passenger side trim panel:
1 Lock
2 Cover in right side trim panel
Insert a suitable object such as a coin
into the slot of lock 1.
Turn lock 1 counterclockwise by 90°
in direction of arrow.
Remove cover 2.
472
Replacing bulbs
Example illustration rear lamp passen-
ger-side
1 Brake lamp
2 Backup lamp
3 Rear fog lamp (only driver's side), tail
lamp, parking and standing lamp
4 Side marker lamp
5 Turn signal lamp
Depending on which bulb needs to be
replaced, turn the respective bulb
socket 1 - 5 counterclockwise.
Press gently onto the respective bulb
and turn counterclockwise out of its
bulb socket.
Press the new bulb gently into its bulb
socket and turn clockwise until it en-
gages.
Align the respective bulb
socket 1 - 5 and turn it clockwise.
Make sure bulb socket is attached
properly.
Close the respective cover in the cargo
compartment.
Close the tailgate ( page 119).