Mercedes-Benz 2005 C 240 Operator's Manual page 256

Controls in detail
Useful features
Operation of integrated remote control
Switch on ignition ( page 33).
Select and press the appropriate
integrated signal transmitter button
(2, 3 or 4) to activate the remote
controlled device.
The integrated remote control trans-
mitter continues to send the signal as
long as the button is pressed – up to
20 seconds.
254
Erasing the integrated remote control
memory
Switch on ignition ( page 33).
Simultaneously hold down the signal
transmitter buttons 2 and 4, for
approximately 20 seconds, until the
indicator lamp 1 flashes rapidly. Do
not hold for longer than 30 seconds.
The codes of all three channels are
erased.
i
If you sell your vehicle, erase the codes
of all three channels.
Reprogramming a single integrated
signal transmitter button
To program a device using a signal trans-
mitter button previously trained, follow
these steps:
Press and hold the desired signal
transmitter button (2, 3 or 4).
Do not release the button.
The indicator lamp will begin to flash
after 20 seconds. Without releasing
the integrated signal transmitter
button, proceed with programming
starting with step 3.