Considering the Hotel Bristol in Mexico City?
A VT member wrote the following comment about visiting Mexico City:
Currency Exchange by cinthya_in_victoria
The peso is the official currency. Most international credit cards, as well as all Traveller's Cheques are welcome. It is possible to change US Dollars in all banks and at most prestigious hotels. In some establishments US Dollars are accepted. There are also Money Exchange Houses where you can exchange just about any currency for Pesos. Most banking institutions open from 9:00 to 4:00pm, but HSBC closes at 7:00 pm.