No one has stated the obvious yet, so I will. Change both the fuel filters first. It is easy and solves many no-start issues, especially if the car was running before the no-start issue. Just be sure to pre-fill the spin on filter first, then crack each injector line and crank until fuel dribbles out (to purge out any air. Then tighten up the injector lines and it should start and run. If not, post back and we can go from there

I know you stated in the original post that you changed the filters, but if you still have crud in the tank, they will clog again in short order.

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2012 Mercedes ML350 Bluetec 91K (hers)
2005 Corvette 55K (fun car)
2002 VW Jetta TDI 231K (mine)
1998 Volvo S70 T5 Turbo 196K (kids)
1994 Ford F150 4WD 249K (firewood hauler)
1983 Mercedes 300D 376K (diesel commuter)