We stayed here for one night with the intention of visiting the industrial museum at Fray Bentos, which is about a 30 minute drive away. Mercedes looked like a much nicer place to stay then Fray Bentos.
The hotel is a fairly uninteresting modern concrete building right in the centre of Mercedes on a corner of a nice plaza. It’s a short walk to the river and there are plenty of drinking and eating options around it. It also has a pool, but we didn’t use it.
The room was ok, clean and reasonably modern, but very bland. Just somewhere to sleep.
We briefly had breakfast before leaving, it was very poor as others have commented, so didn't have much. The restaurant is really dim with very little natural daylight. Luke warm coffee is available as well as some fruit and breads. I suggest skipping it and grabbing something in a cafe over the road.
The big surprise for us was Mercedes itself, it was a much nicer place than we expected with a busy river front and lots of people around and a nice atmosphere - it was a Saturday night, which I’m sure helped. As is typical in Uruguay, it doesn't really start until well after 9pm.
In summary, nothing remarkable, but ok for a night.More
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