Jurgen Klopp believes UEFA must take action against any clubs if they have broken the rules on Financial Fair Play.
German magazine Der Spiegel made a number of claims against City in a series of articles, which are based on documents purportedly attained from whistleblowers Football Leaks.
The reporting claims Sheikh Mansour's City regime have topped up multi-million-pound sponsorship deals with Abu Dhabi companies, using their owner's fortune, in order to meet UEFA's Financial Fair Play (FFP) stipulations.
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Last Friday, when the Football Leaks stories emerged with allegations that City were cut a favourable FFP settlement when they were punished for overspending by UEFA in 2014, the club declined to comment on "out of context materials purportedly hacked or stolen from City Football Group and Manchester City" and claimed "the attempt to damage the club's reputation is organised and clear.