Hi everyone, I am *G and travelling to IST next month. I noticed on all the images that the Business (International) lounge has the Star Alliance Gold banner, and decided to check on the Star Alliance website if the Business lounge shows. When checking on the Lounge Finder
https://www.staralliance.com/en/lounge-finder, it appears as both the M&S and Business International lounges are part of the *G lounge access, which per the Lounge Access Policy at
https://www.staralliance.com/en/lounge-access-policy, *G members are allowed into both M&S and Business lounges. That is, as long as there is a Star Alliance Gold banner on the entrance of it (which there seems to be).
This may be something to follow up directly to Star Alliance? Or TK?