Fuel pumps rarely spring a leak like that. I am all about buying new but in this case is pick up a set on eBay or something. Buy All new rubber hoses and copper washers and you will be good as new.

Down there you should see two smaller cylinders, (fuel pumps), and a large one which would be the fuel filter.

There was a model that had only one fuel pump but I think it was the 260e or something. Snap a picture if you can, that will remove all doubt.

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Eugene

10 E63 AMG
93 300te 4matic
07 BMW X3
14 Ford F-150 Fx2