Mercedes-Benz 2005 M-Class Operator's Manual page 282

Practical hints
Replacing bulbs
7 Tab
8 Bulb socket for rear side marker lamp
bulb
280
Open the liftgate.
Remove hexagon cap nuts 1 with
washers on them.
Remove tail lamp unit.
Press tabs 7 together.
Remove the bulb carrier.
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.
Reinstall the bulb carrier.
Let tabs 7 engage.
Insert the tail lamp unit in the body,
lower edge first.
Let the tail lamp unit engage.
Retighten hexagon cap nuts 1 with
washers on them.
Rear side marker
Open the liftgate.
Remove hexagon cap nuts 1 with
washers on them.
Remove tail lamp unit.
Turn bulb socket 8 with the bulb
counterclockwise and remove it.
Pull the bulb out of bulb socket 8.
Press the new bulb into bulb socket 8.
Insert bulb socket 8 back into the
lamp and turn it clockwise.
Insert the tail lamp unit in the body,
lower edge first.
Let the tail lamp unit engage.
Retighten hexagon cap nuts 1 with
washers on them.