SL Class

After reconnecting power supply or radio, turn ignition on. CODE will be displayed. Enter 5-digit code number using alphanumeric keypad on radio. After entering code, press OK key. If incorrect code is entered, CODE will be displayed on radio. Enter code again. If wrong code is entered 3 times, WAIT will be displayed and code entry is denied for 10 minutes. Radio and ignition switch must remain on during the waiting period.