Occupying a total area of 173,960 square metres (1,872,500 sq ft), the mixed-use building houses offices, apartments, a fitness center, and retail stores.

[12][13] In May 2021 this building, alongside the Chinese and Russian diplomatic facilities in Australia, were the targets of a bomb threat posted on Dutch sports site Sportnieuws.nl that was hacked by persons calling themselves 'Encore Ong' and ‘Zehang T’.

[14] The Mercury City Tower's distinctive copper-colored cladding makes the building stand out among its neighboring skyscrapers in the MIBC as well as the entirety of Moscow.

For greater reliability, two independent reinforced concrete skeletons were provided to make the Mercury City Tower resistant against a 6.0 magnitude earthquake.

[9][15] After Williams' death on 25 February 2010, his successor Egeraat stated it would be improper to make significant changes to the tower and focused on improving the upper levels of the building, elaborating a functional solution for the skyscraper, and developing interiors of public spaces.

[6][9] Mercury City Tower is a mixed-use building, featuring offices, apartments, retail, restaurants, a fitness center, conference rooms, and parking spaces.

[5][6] The apartments are located on the topmost floors of the building, and was designed to merge units, adding to the tower's overall space efficiency.