Mariana's place is great and worth the money for our week-long stay in Mexico City. The interior design is lovely and we are very surprised to find everything we need (& even never thought of) in the place - very well organized! The location is also very convenient - walking distance to many coffee and taco places, and 10-15 minutes drive to other famous restaurants and bars.
The only dissatisfaction is the noise level at night. The apartment is on the 3rd floor of the building that's very close to the bus station and gas station. You can hear music, people talking and trucks passing by at night - I had difficulty feeling asleep every night before 3am. However, I would say that I am a very light sleeper so it's really up-to-you. My partner only struggled a bit but he was still able to get a full night sleep.
Overall, we enjoy the stay and think it's a great choice for the money and location.