A contactless charging device for arrangement on an underside of a motor vehicle. The charging device has a first side facing away from the motor vehicle in a state in which the charging device is arranged on the underside of the motor vehicle. The charging device has a second side opposite the first side, facing towards the motor vehicle in a state in which the charging device is arranged on the underside of the motor vehicle. The second side is then configured to be ramp-shaped so that a thickness of the charging device increases in a first direction, pointing towards a rear of the motor vehicle in a state in which the charging device is arranged on the underside of the motor vehicle, over a part of a length of the charging device in the first direction.