A motor vehicle tank having the following features: - the motor vehicle tank includes a fuel quality sensor for determining at least one quality property of fuel that is present in the motor vehicle tank, and a tank control device; - the fuel quality sensor is connected by means of a signal line to the tank control device for transmitting data, representing the quality properties of the fuel, to the tank control device; - the tank control device is designed, upon determination of a quality property of the fuel that falls below and/or exceeds a predetermined quality limit, to output an internal combustion engine start signal via a data output unit, wherein the motor vehicle tank is characterized by the following features: - the tank control device is designed to receive data, representing a quantity of fuel to be filled into the fuel tank, from an electronics unit having an electronic data memory, via a data line; - the tank control device is designed to initiate a filling operation by outputting a tank signal via a data output unit; - the tank control device is designed to terminate a filling operation after the quantity of fuel to be filled is reached, by outputting a tank stop signal via the data output unit; - the motor vehicle tank includes at least one electrically and/or electromagnetically actuatable actuator (20, 21, 22, 23, 24, 25, 44) by means of which termination of a filling operation of the motor vehicle tank may be initiated; - the tank control device is connected to the actuator (20, 21, 22, 23, 24, 25, 44) via a data exchange connection; - the tank control device is designed to transmit a tank stop signal to the actuator (20, 21, 22, 23, 24, 25, 44) via the data exchange connection; and - upon receipt of the tank stop signal, the actuator (20, 21, 22, 23, 24, 25, 44) initiates the termination of the filling operation. - the motor vehicle tank includes a fuel quality sensor for determining at least one quality property of fuel that is present in the motor vehicle tank, and a tank control device; - the fuel quality sensor is connected by means of a signal line to the tank control device for transmitting data, representing the quality properties of the fuel, to the tank control device; - the tank control device is designed, upon determination of a quality property of the fuel that falls below and/or exceeds a predetermined quality limit, to output an internal combustion engine start signal via a data output unit, - the tank control device is designed to receive data, representing a quantity of fuel to be filled into the fuel tank, from an electronics unit having an electronic data memory, via a data line; - the tank control device is designed to initiate a filling operation by outputting a tank signal via a data output unit; - the tank control device is designed to terminate a filling operation after the quantity of fuel to be filled is reached, by outputting a tank stop signal via the data output unit; - the motor vehicle tank includes at least one electrically and/or electromagnetically actuatable actuator (20, 21, 22, 23, 24, 25, 44) by means of which termination of a filling operation of the motor vehicle tank may be initiated; - the tank control device is connected to the actuator (20, 21, 22, 23, 24, 25, 44) via a data exchange connection; - the tank control device is designed to transmit a tank stop signal to the actuator (20, 21, 22, 23, 24, 25, 44) via the data exchange connection; and - upon receipt of the tank stop signal, the actuator (20, 21, 22, 23, 24, 25, 44) initiates the termination of the filling operation.