How to Troubleshoot a Mercedes 300 SD

1. Place the SD card into a computer's SD card slot.
2. Open the 'Start' menu by pressing the left-mouse button on the blue icon in the lower left corner. Once the menu loads, click 'Control Panel.'
3. Open 'System and Security.' Click 'Administrative Tools' on the next screen. Double-click 'Computer Management' to open this option.
4. Pick 'Disk Management' in the left pane to view all storage devices connected to the computer. Right-click the SD card and select 'Format.'
5. Press 'OK' on the pop-up screen to confirm and format your SD card. This will format the card to its default settings and can be used in a Mercedes 300 car again.