The staff I encountered during my stay were wonderful! From check in to check out everyone was…read morepleasant and helpful.
The breakfast is good but not amazing, I would have liked to see more fresh fruit options, but they cover all the basics.
Where the Mercure falls short is in its age, maintenance and cleanliness. The first thing I noticed was visible gaps between my room door and its frame. Then upon entering the room there was a stain on the bed and scuffed, dirty walls. Personally, I expected that a hotel that bills itself as 4 stars (which is even on a plaque outside the front door) would feel a bit fancier than it does. It feels a bit more like a budget hotel with amazing staff.
TL:DR - Clearly past its prime this hotel needs a facelift