Method for Operating a Brake System of a Motor Vehicle

A method for operating a brake system of a motor vehicle, the brake system comprising (i) a service brake device having at least one service brake, (ii) a braking force transmission device having an output rod for transmitting a braking force for braking to the at least one service brake, (iii) a parking brake device having at least one parking brake, and (iv) a trigger device for activating the at least one parking brake, the method comprising:

• determining a deceleration acting on the motor vehicle due to the at least one service brake depending on an adjustment travel of the output rod;
• utilizing a maximum possible speed of the motor vehicle;
• determining, based on (i) the maximum possible speed, (ii) the determined deceleration, and (iii) a time period of the deceleration, whether the motor vehicle is stationary at a time of actuation when the trigger device is actuated;
• and
• actuating the at least one parking brake when the motor vehicle is ascertained as being stationary at the time of actuation.