the breakdown Mercedes is recalling 310,667 cars for a rollaway risk. The affected vehicles may have a corroded driver door-lock microswitch that engages the electronic parking brake and/or the Auto-Park feature. Mercedes-Benz is recalling 310,667 cars for a rollaway risk. An affected vehicle may experience a corroded door-lock microswitch that could fail. These are connected to the driver’s door opening and might not engage automatically, increasing the risk of a rollaway or the vehicle moving.