ME Fuel Rail, Location/Task/Design/Function

ME Fuel Rail, Location/Task/Design/Function

ENGINE 104, 111, 119, 120 (except 104.98)




Shown on engine 111 (except engine 111 EVO)
17 Fuel rail
50 Diaphragm pressure regulator (except engine 111.977)
51 Pressure measuring connection
Y62 Injectors




Engine 111EVO
17 Fuel rail
40 Diaphragm pressure damper
51 Pressure measuring connection

ME-SFI fuel rail, location
Above injectors

ME-SFI fuel rail, task
Supplying injectors with fuel

ME-SFI fuel rail, design
The fuel injectors are inserted in the fuel rail with an O-ring and a locking element. The diaphragm pressure regulator and pressure measurement connection are also integrated.

Note: The pressure measurement connection with valve is used for testing the fuel pressure and for releasing the fuel pressure when carrying out removal and installation operations.