Mercedes-Benz 240 D 1979 Owner's Manual page 69

Electrical System
License Plate Lights
Open trunk lid. Loosen both the
securing screws (1) and take out
light.
68
C ourtesy Lights
To replace the bulb, press courtesy
light slightly tow ards the left (1),
lift o ff at right-hand side (2) and
pull o ut to the right.
The same applies when removing
the rear courtesy light.