Mercedes-Benz 1998 SL 500 Operator's Manual page 69

3. Hold end opposite to battery of
portable remote control against the
inside rear view mirror transmitter
to be programmed, While still
holding down the button on the
transmitter on the inside rear view
mirror, press down the button on
your portable remote control, until
the inside rear view mirror remote
control light starts to flash rapidly.
This means that the integrated
remote control has accepted the
frequency and code of the portable
transmitter.
4. If you wish, repeat the procedure
for each remaining button.
Operation of remote control:
1. Turn key in steering lock to
position 1 or 2.
2. Select and press the appropriate
button (1, 2 or 3) to
activate the remote controlled
device. The remote control
transmitter continues to send
the signal as long as the button
is pressed - up to 20 seconds.
Erasing the remote control memory:
1. Turn key in steering lock to
position 1 or 2.
2. Simultaneousy holding down
buttons 1 and 3 for approximately 20
seconds, or until the control light
blinks rapidly, will erase the codes of
all three channels.
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