A-class diesel sluggish starting, worse when hot.

[curious]

I've a W168 1.7 diesel.
It takes quite a few cranks to start.
It takes much longer when hot.

I've changed the crank position sender, fuel filter.
Theres no air in the fule line from the filter to the injectors.

Wheres the next place i need to look?

EPC light came on for a while but has now gone out

(is their a pump in the tank? it didn't pull htrough when i changed the filter and flattened the battery. had to prime everything up before it would fire)

 

[Cole@MBS]

You need to have the fault codes read to see why the EPC light was showing, by what your saying, at a guess, i would say get a leak of test done,

Still sounds like air getting in!!