First off, if you like the photos and the location, then you should book this place. The photos are exactly what the apartment looks like. Abimael is an extremely responsive and accommodating host, so if there's anything you need fixed, you can be assured he will do it in a timely manner. I have many examples but the most extreme one is that he even changed the shower head for me because I thought the pressure was too low! (So you can thank me for now having a shower head with medium level pressure)
The apartment itself is probably most ideal for a bachelor pad type of person or short term stay, but we were a couple that stayed for 28 nights and it was still enjoyable. The building is extremely secure and safe, with great amenities, and there are some incredible hidden gem taco stands right across the building (Tacos Ricky and Tacos Gym were my favorites - and I have extremely high standards for food). Also, due to the high floor this apartment is on and that it faces northwest, you get an amazing sunset almost every night.
A note on the location - I gave it a 4/5 because it is technically two blocks north of the official perimeter of Polanco, and so just a little out of the way of the main part of Polanco if you were intending to visit it a lot like I did. One tip for you is NOT to follow Google Maps, which will have you walking around the highway, which takes about 25 minutes when the walk should have been just 10 minutes to get into central Polanco. Also, I'm a heavy sleeper so it didn't bother me too much, but for you light sleepers out there, note that the street noise from below is extremely loud (think Times Square). It's definitely better if you shut the windows though.