Mercedes has been found guilty of breaking the rules in F1 by using a 2013 car during tests for Pirelli earlier this year.
However, its punishment is relatively minor: it will not be allowed to take part in next month's three-day young driver test at Silverstone.
In a statement, the tribunal announced that Mercedes was guilty of a breach of the regulations and had to be reprimanded. It also deemed that Mercedes had gained an unfair advantage by running a 2013 car in the test.
At the hearing the previous day, Mercedes had argued that a ban from the young driver test would be an appropriate punishment if it was found to have breached the sport's rules, a plea that was heeded by the four-strong tribunal panel.
Pirelli was also reprimanded for its role in the test arrangements.
Mercedes has confirmed it will not appeal the decision.
