This hotel is very correct with Gold member. Allway upgraded to exec floor (lot of time with an executive plus room -wider than regular one).
Very good lounge. Nice and tasty snacks. An enough choice of alcohol (free) with PASTIS (local aperitif) and a false champagne (cremant) but tasty.
If you get an upgrade, breakfast is free in the lounge (normal) but also in the buffet restaurant (complimentary offer). A pleasant covered swimming pool and sauna.
Minus point: nothing to see, to discover or to have lunch outside except airport
but an easy access by train to Paris downtown (45 minutes at least). Not to be used late in the night.