2004 Mercedes C-Class Owner's Manual - Page 236
2004 Mercedes C-Class Manual
Page 236 highlights
Controls in detail Useful features Erasing the integrated remote control memory Switch on ignition. 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. Reprogramming a single integrated signal transmitter button To program a device using a signal transmitter 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. i If you sell your vehicle, erase the codes of all three channels. 236