To download all objects using wget:

wget -r -H -N --cut-dirs=5 --include-directories="/v1/" "https://swiftbrowser.dkrz.de/public/dkrz_ab6243f85fe24767bb1508712d1eb504/ENES%20Benchmark%20Suite/ICON%20Benchmark/ICON_Benchmark_v16.0_data.tar.gz/?show_all"