A device for cleaning an optical lens of a parking assistance camera includes at least one inner annular body and at least one outer annular body. The at least one outer annular body is configured such that the fluid chamber is closed with respect to surroundings of the device when the at least one outer annular body is in the resting position. The at least one outer annular body is configured such that the fluid chamber is open with respect to the surroundings of the device such that when said at least one outer annular body is in the cleaning position, a fluid introduced into the fluid chamber exits the fluid chamber in the direction of the optical lens. The at least one fluid supply element opening into the fluid chamber is disposed on the at least one inner annular body.