Mercedes-Benz 2000 SL Operator's Manual page 105

Entering the code number
Switch on the radio."CODE" will appear on the display.
Using the buttons on the alpha-numeric keypad, enter
the five digit code. Confirm by pressing the "OK" key.
If an incorrect code has been entered and confirmed,
"CODE" will reappear on the display. The correct code
must be entered once again.
Note:
The lock out time will only count down if the radio is left
switched on.
Audio system
Instruments
Operation
and controls
If an incorrect code is entered
three times, "WAIT" will
appear on the display and the
radio will be locked out for
about 10 minutes.
Instrument
Driving
cluster display
Button and soft key operation
In these instructions, the alpha-numeric keypad (right
side of radio face) and the function buttons (left side of
the radio face) are referred to as "buttons" and the four
keys under the display are referred to as "soft keys"
Note:
Do not press directly on the radio display face.
101
Practical hints Car care
Technical
Index
data