The invention relates to a distribution system (1) for distributing a fluid (15) into a container (27) from a fluid inlet (26) of the container (27). Distribution system (1) comprises one or more guide plates that form a guide section (2) and a distribution section (3) that adjoins the guide section (2). Distribution section (3) has regions (4, 5) with openings (8, 9) for allowing fluid (17) to pass through. The invention also relates to a heat exchanger device (100) that has a container (27) with a fluid inlet (26), with at least one heat exchanger block (28) that is arranged in the container (27). A distribution system (101) according to the invention is arranged in the container (27) above the heat exchanger block (28).