Why does the power to the dash control go out intermittently in your 1988 Mercedes 300?

Intermittent power loss to the dash control in a 1988 Mercedes 300 could be caused by several issues, including a faulty ignition switch, worn wiring connections, or a failing instrument cluster. Corrosion or loose connections in the fuse box can also cause erratic power supply. Additionally, a malfunctioning relay or a problem with the car's ground connections may contribute to the issue. Diagnosing the problem may require checking these components for wear and ensuring all electrical connections are secure.