2003 Mercedes SLK-Class Owner's Manual - Page 153

Controls in detail Useful features i For operation in the USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. Programming or reprogramming the integrated remote control Turn key in the steering lock 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 steps above. 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". 153