Mercedes-Benz 2003 E -Class Wagon - Manual (Page 163)

160 Interior equipment
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Reading lamps rear compartment (optional)
1 Reading lamp
2 Press to switch reading lamp on or off.
The lamp is located above the rear center seat.
Notes:
If you turn the electronic key in steering lock position 0,
the reading lamps go out after approximately 30
minutes.