Hi, reviving an old thread here. Off the top of their head, can someone tell me the size of the tube that should go on the fitting? I may be doing this tonight and would like to go to the store and pick up the appropriate sized hose on the way home from work.

Thanks in advance!

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280