A method for monitoring a parked motor vehicle, including the following steps: monitoring an interior of the motor vehicle and/or a surrounding field of the motor vehicle with the aid of a monitoring infrastructure that is assigned to an infrastructure external relative to the parked motor vehicle; monitoring the interior of the motor vehicle and/or the surrounding field of the motor vehicle with the aid of one or more sensors onboard the motor vehicle; transmitting monitoring data based on both monitorings via a wireless communication network to a mobile terminal; in response to reception of a control command transmitted from the mobile terminal via the wireless communication network for controlling one or more components of the motor vehicle and/or for controlling one or more components of the external infrastructure, controlling the one or more corresponding components as a function of the control command.