As said in the documentation: However, this is untrue. It only display the last LOD in the chain, doesn't disable them all. Any way I could totally turn off a LODGroup? Even turning it off by hand in the Inspector doesn't turn them all off. Even worst, even if I have a "Culled" LOD at the end of the chain, disabling the LODGroup shows the last visible LOD, not the Culled one.