Motor vehicle comprising a drive train having a multiple clutch drive

A power train for a motor vehicle, said power train comprising:

• a drive unit;
• a gearbox with a first gearbox input shaft and a second gearbox input shaft;
• and
• a clutch device with a first multi-disk clutch arrangement, which is assigned to the first gearbox input shaft, and a second multi-disk clutch arrangement, which is assigned to the second gearbox input shaft, for transmitting torque between the drive unit and the gearbox;
• means for supplying an operating fluid, to the clutch arrangements for operation under the action of the operating fluid;
• and
• an actuator arrangement and a control unit, which controls the actuator arrangement, by means of which gears assigned to the first and the second gearbox input shafts can be engaged and disengaged,
• wherein
• the starting of the drive unit can be blocked and released as a function of at least one of the actuation and nonactuation of a vehicle brake system and of the operating state of a manually operated selector device and the gearbox mode in effect at the moment in question.

A power train for a mtor vehicle, said power train comprising:

• a drive unit;
• a gearbox with a first gearbox input shaft and a second gearbox input shaft;
• and
• a clutch device with a first multi-disk clutch arrangement, which is assigned to the first gearbox input shaft, and a second multi-disk clutch arrangement, which is assigned to the second gearbox input shaft, for transmitting torque between the drive unit and the gearbox;
• means for supplying an operating fluid to the clutch arrangements for operation under the action of the operating fluid;
• and
• an actuator arrangement and a control unit, which controls the actuator arrangement, by means of which gears assigned to the first and the second gearbox input shafts can be engaged and disengaged,
• wherein
• a change from one mode of the vehicle and/or of the gearbox in effect at a particular moment to another vehicle and/or gearbox mode by appropriate operation of a manually operated selector device for selecting various vehicle and/or gearbox modes can be blocked and released as a function of the actuation and nonactuation of the vehicle brake system, and the change to the other vehicle and/or gearbox mode by the appropriate operation of the selector device is or can be positively linked with an actuation of the vehicle brake system.