Mercedes-Benz C-CLASS WAGON C 240 Operator's Manual page 394

Practical hints
Replacing bulbs
High beam bulb
Press the clamp on housing cover 2
and remove it.
Pull the electrical connector off.
Turn bulb socket 5 counterclockwise
and take out the bulb.
Insert the new bulb so that its socket
locates in the recess of the lamp
housing.
Turn bulb socket 5 clockwise until it
engages.
Plug the electrical connector onto the
bulb.
Align housing cover 2 and press until
it engages.
392
Front turn signal lamp bulb
Turn bulb socket 3 with the bulb
counterclockwise and remove it.
Press gently onto the bulb and turn it
counterclockwise out of bulb
socket 3.
Press new bulb gently into bulb
socket 3 and turn clockwise until it
engages.
Place bulb socket 3 back into the
lamp and turn it clockwise.
Parking and standing lamp bulb
Press the clamp on housing cover 2
and remove it.
Pull out bulb socket 6 with the bulb.
Pull the bulb out of bulb socket 6.
Press the new bulb into bulb socket 6.
Press bulb socket 6 back into the
lamp.
Align housing cover 2 and press until
it engages.