Mercedes will continue to work with brake supplier Brembo, despite Lewis Hamilton's disc failure in Hockenheim qualifying a week ago.
Team figures initially described the failure - not the first on a W05 car in 2014 - as "unacceptable".
In the days before Hungary, an investigation into the cause has been taking place.
Mercedes and Brembo jointly announced in Hungary on Friday that "a single cause of failure" was not found.
A media statement read: "Formula one is a domain of advanced development where technologies are pushed to their limits and in which strong partnerships are crucially important.
"Brembo and Mercedes remain committed to a close working relationship in the future."
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