Lagun mount problems
When we started our van build, everybody was using and recommending Lagun mounts. They’re praised as the best, and among the many copies, nobody is said to do it better.
But, after less than a year, our Lagun mount started to show substantial wear on the plastic pin where the horizontal arm mounts to the vertical. It’s all very similar to that described and pictured in this Sprinter Source post:
I replaced my just as that OP did, but I strongly considered using an entirely different mount. If I could found something like this from a US distributor, I’d probably have gone that way instead.