I am preparing to purchase a G63 and reading everything i can about the platform. I was at my independent shop who works on a but of everything and he had a G63 in for service. It needed an engine our service for the rear main seals. It was a 2021 I believe. That set me down a path of reading and learning. Does anyone know if the new mild hybrid set up of the engine has any changes to prevent the breather from getting clogged? I cant seem to find anyone who can come up with a long term solution?