I wouldn't consider myself an expert, but I do know that the Centra wheels didn't actually come with stars fitted. You could fit whatever you wanted, or just have plain centre caps.
Centra wheels were not Mercedes specific, and can be found on other makes of cars. In fact, that very pattern (above) was optional on Holden Commodores of the era, in the HDT list of options.
That mirror finish makes those wheels fit in with the current fashion quite nicely. There is a bit of an '80s revival going on.

Tim