We stayed for one week in Mexico City, split between two places. Carlos's was our first and favorite. Arriving from the airport was simple, and the 24-hour door man let us in promptly and checked us in with no problems. The apartment itself is comfortable , stylish and clean with great views of La Condessa - which is a beautiful and safe neighborhood with tons of restaurants, cafes, and bars. We asked Carlos for some advice on places to eat for dinner, and all of them were excellent. We especially enjoyed the food and drink and Bowie. Carlos was quick to respond anytime we had an inquiry and his knowledge of the area was much-appreciated. In the evenings after our adventures we enjoyed the nice living room and TV with netflix already installed. After we checked out, Carlos even messaged me to inform me that my girlfriend had left some cash in one of the drawers on accident and thankfully we were able to go back and get it from the doorman. That is truly admirable hosting!
The only thing I might suggest is some kind of fan inside the apartment. Because it gets sun from a lot of angles it got pretty warm. The windows offer nice breezes, but when we left them open at night we woke up from mosquitos biting us. This is more a problem with my heat sensitivity and mosquito allergy than the place itself though since my girlfriend had no issue with it. Overall I would be happy to stay here again.