W163 fuel lines

Jane270ML

Active Member
Joined
Jan 22, 2012
Messages
326
Location
Leeds/Harrogate
Car
ML 270 Cdi
Replaced the fuel lines a couple of days ago and have'n't been able to start the engine since.
Drained the battery (twice) trying to start the engine, no air bubbles in new lines, but I'm panicking now that I may have put the fuel lines in the wrong ports of the HP pump.
Can someone confirm which pipes go where please.

Those on the RH side of the pump seem self explanatory:
Fuel line from filter to arrow IN on low pressure pump body, upper connection(arrow out) to three-way pipe.

Does the three-way pipe go to the engine or radiator side of the HP pump?
 

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