Mercedes-Benz GL450 Operator's Manual page 506

Turn cover 1 counterclockwise.
Remove cover 1.
Turn bulb socket 2 counterclockwise.
Pull bulb socket 2 out of the
headlamp housing.
Pull the high beam bulb out of bulb
socket 2.
Insert the new high beam bulb into bulb
socket 2.
Insert bulb socket 2 into the
headlamp housing.
Turn bulb socket 2 clockwise until it
engages.
Place cover 1 on the opening in the
headlamp housing.
Turn cover 1 clockwise until it engag-
es.
Turn signal lamp bulb
1 Bulb socket for turn signal lamp
Turn bulb socket 1 counterclockwise.
Pull bulb socket 1 out of the
headlamp housing.
Pull the turn signal bulb out of bulb
socket 1.
Insert the new turn signal bulb into bulb
socket 1.
Insert bulb socket 1 into the
headlamp housing.
Turn bulb socket 1 clockwise until it
engages.
Practical hints
Replacing bulbs
Parking and standing lamp bulb
Turn bulb socket 3 ( page 503)
counterclockwise.
Pull bulb socket 3 out of the
headlamp housing.
Pull the bulb out of bulb socket 3.
Insert the new bulb into bulb
socket 3.
Insert bulb socket 3 into the
headlamp housing.
Turn bulb socket 3 clockwise until it
engages.
505