Why would a Ford Mondeo diesel car stop running while driving?

A Ford Mondeo diesel car may stop running while driving due to several potential issues, such as fuel supply problems, like a clogged fuel filter or a malfunctioning fuel pump. Electrical issues, including a failing battery or alternator, can also lead to engine shutdown. Additionally, overheating due to coolant leaks or a malfunctioning thermostat can cause the engine to stop. Lastly, problems with the engine management system, such as a faulty sensor, can trigger a shutdown for safety reasons.