MB C Class W204 Estate in tank fuel pump/sender.

[Shazzyx]

Refers to ford but principle is the same.
Leak off pipes - Diesel Injection Pumps

here they are in the OM651- the black pipes with the blue writing leading from the injectors [ low pressure] as opposed to the silver metal supply pipes from the fuel rail [ high pressure]

Hey, was wondering if you knew what happened with this post, weather the cure was found or not