mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Fuel Pump Relay > < Tools and Equipment
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Fuel Pressure: Specifications

Fuel Pressure 

Note:  Check pressure between fuel pump and main fuel filter.

Delivery Pressure

at idle speed  .....................................................................................................................................................................  0.6 - 0.8 bar (8.8 - 11.5 psi)
at 3000 rpm .......................................................................................................................................................................  min. 0.8 bar (min. 11.5 psi)

Delivery End Pressure

at idle speed  ........................................................................................................................................................................  min. 1.1 bar (min. 16 psi)
at 3000 rpm ..........................................................................................................................................................................  min. 1.3 bar (min. 19 psi)

Fuel Pump Relay > < Tools and Equipment