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Enter your details and receive the unlock code for your Smart car radio.
Remove the radio
On the Smart ForTwo (450/451) the radio is accessible by unclipping the centre console panel. For the Roadster use DIN extraction tools. ForFour models have a Torx screw under the panel.
Read the serial number
The serial number is on the label on the side or top of the radio. Smart mainly uses Becker or Alpine radios shared with Mercedes (BE/AL/BP prefix). Note it down in full.
Enter the serial number
Enter the full serial number in the field below. You will receive your 4-digit unlock code. Enter it using the digit buttons on the radio and confirm.