Alvi

I parked my car in the parking lot upon return engine cranks but no start. no fuel pressure , fuse and relay replaced but no luck

tjts1

For how long?

C230 Sport Coup

No fuel pressure, must be fuel pump.
Pretty easy to replace, it's in the tank, just make sure you use
tie wraps on the fuel connection on the re-install, and use one of those
tie wrap tighteners and there are different formulations of tie wraps, get the ones that can
withstand being in a fuel tank.