2003 Mercedes S-Class Owner's Manual - Page 246

Controls in detail Useful features Programming or reprogramming the integrated remote control Turn SmartKey in the starter switch to position 1 or 2. Hold the end of the hand-held transmitter of the device you wish to train approximately 2 to 5 inches (5 cm to 12 cm) away from the surface of the integrated remote control located on the inside rear view mirror, keeping the indicator lamp in view. Using both hands, simultaneously push the hand-held transmitter button and the desired integrated remote control button. Do not release the buttons until completing next step. The indicator lamp on the integrated remote control will flash, first slowly and then rapidly. The rapid flashing lamp indicates successful programming of the new frequency signal. When the indicator lamp flashes rapidly, release both buttons. To program the remaining two buttons, repeat the above steps. Exact location and color of the button may vary by garage door opener brand. If there is difficulty locating the transmitting button, refer to garage door opener operator's manual. Press "training" button on the garage door opener motor head unit. The "training light" is activated. You have 30 seconds to initiate the following step. Firmly press and release the programmed integrated remote control transmit button. Press and release same button a second time to complete the training process. Some garage door openers may require you to do this procedure a third time to complete the training. Confirm the garage door operation by pressing the programmed button on the integrated remote control transmitter. i If, after several attempts, you do not successfully program the integrated remote control device to learn the signal of the hand-held transmitter, the garage door opener could be equipped with the "rolling code feature." Rolling code programming To train a garage door opener (or other rolling code devices) with the rolling code feature, follow these instructions after completing the "Programming" portion of this text. (A second person may make the following training procedures quicker and easier.) Locate training button on the garage door opener motor head unit. 246