Self-monitoring manufacturing system having a production line and being adapted to produce at least one object (1,1',1"), in particular a series of objects, by means of the production line (10,50), the production line (10,50) comprising • at least a first processing facility (11,12,51,51') which is adapted to perform a respective first processing step with the object (1,1',1"), and • a production control unit having means for storing and/or obtaining production data for the first processing step and being adapted to control the processing step based on the production data, wherein the production data comprises nominal pre-processing object data, in particular relating to an in-advance processing step, characterized by a production monitoring unit (15,60,60') for, in particular periodically, checking a pre-processing object state of the object (1,1',1"), the production monitoring unit (15,60,60') being adapted • to obtain actual property data of the object (1,1',1") in-line of the production in-advance of applying the first processing step, • to generate deviation data by comparing the actual property data with the production data for the first processing step, in particular with the pre-processing object data, and • to provide the deviation data for performing the first production step with the first processing facility (11,12,51,51') in deviation-adjusted manner, wherein • original production data for the first processing step is adaptable for adapted controlling of the first processing facility (11,12,51,51') based on the deviation data and • the first processing facility (11,12,51,51') is controllable based on the adapted production data for the first processing step in a manner such that the deviation between the actual property data and the nominal pre-processing object data is compensated so that thereof expected deviation between actual property data relating to the object (1,1',1") after performing the original first processing step and original production data for the first processing step is reduced, whereby the first processing step is adaptable by use of measuring data which is provided by the monitoring unit (15,60,60') to compensate errors occurring by performing the first processing step. • at least a first processing facility (11,12,51,51') which is adapted to perform a respective first processing step with the object (1,1',1"), and • a production control unit having means for storing and/or obtaining production data for the first processing step and being adapted to control the processing step based on the production data, wherein the production data comprises nominal pre-processing object data, in particular relating to an in-advance processing step, characterized by a production monitoring unit (15,60,60') for, in particular periodically, checking a pre-processing object state of the object (1,1',1"), the production monitoring unit (15,60,60') being adapted characterized by a production monitoring unit (15,60,60') for, in particular periodically, checking a pre-processing object state of the object (1,1',1"), the production monitoring unit (15,60,60') being adapted • to obtain actual property data of the object (1,1',1") in-line of the production in-advance of applying the first processing step, • to generate deviation data by comparing the actual property data with the production data for the first processing step, in particular with the pre-processing object data, and • to provide the deviation data for performing the first production step with the first processing facility (11,12,51,51') in deviation-adjusted manner, wherein • original production data for the first processing step is adaptable for adapted controlling of the first processing facility (11,12,51,51') based on the deviation data and • the first processing facility (11,12,51,51') is controllable based on the adapted production data for the first processing step in a manner such that the deviation between the actual property data and the nominal pre-processing object data is compensated so that thereof expected deviation between actual property data relating to the object (1,1',1") after performing the original first processing step and original production data for the first processing step is reduced, whereby the first processing step is adaptable by use of measuring data which is provided by the monitoring unit (15,60,60') to compensate errors occurring by performing the first processing step.