my c250 diesel fuel problem

[stuart2101]

hi i have a c250 estate it has had a new engine last year and has run superb since i bought it last year last week while driving on the motorway it lost power but kept going for a further 130 miles now it has a lot of bubbles entering the clear pipes around the pump it has been bled and that has not cured it i have had a secondary pump (electronic) fitted but that still has not cured it i have now been told it may need to be pluged in mb to reset the brain can anyone help thanks
stuart

 

[Hibbo]

Change your fuel filters my son.

 

[hmang]

...and the seals / o rings to the leaky pipes.
or even the whole pipe & seal assys.

either way you must cure those air leaks