Radio & Radio With Navigation Control Module With 5-Digit Fixed Code (CL, S & SL Class)
Turn ignition on. Turn navigation control unit or radio on. CODE will be displayed. Enter customer supplied code number using station number keys on radio. On radios, confirm correct code by pressing TUNE, AUTO/SEEK or SC button. On navigation control unit, confirm correct code by pressing ENTER button. Unit will turn on if correct code is entered.
If wrong code is entered, CODE will be displayed on radio. If wrong code is entered 3 times, WAIT will be displayed and code entry is denied for 10 minutes. If wrong code is entered 9 times, WAIT will be displayed and code entry is denied for 30 minutes. Radio and ignition switch must remain on during the waiting period.