Fuel pressure to low bank one error

[Vinnycarr666]

I have a Mercedes e270 and changed the injector seals on 1 and 3 now not firing. Getting error on diagnostics fuel pressure too low bank 1. How do I build the pressure back up, I have got fuel up to the injectors with no air, just turning over but not firing

 

[mersum1es]

Which car, W210 and W211 270CDI has different fuel systems...
Applies both; Check all injector conenctors (pins withdraw easily), then you can top up your fuel filter, load battery full crank crank...