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Home >> Mercedes Benz >> 2000 >> S430 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - 215 & 220 Chassis >> Basic Knowledge >> Intank fuel pump, location/task/design/function - GF47.20-P-4001 >> Intank fuel pump, location/task/design/function - GF47.20-P-4001MA

Intank fuel pump, location/task/design/function - GF47.20-P-4001MA

ENGINE 275.980 in MODELS 215, 220 

ENGINE 275.981 up to 28.2.06 in MODEL 230 

Shown on models 215, 230 

Fig 1: Identifying Intank Fuel Pump Components (Models 215, 230)
G04853120IMPORTANT
  Intank fuel pump, location The intank fuel pump is located in the fuel tank next to the swirl pot.
IMPORTANT
Model 230 from about 1.3.06: intank fuel pump - removed.
 
  Intank fuel pump, task Additional filling of the swirl pot at a too low fuel return by means of high engine load.  
  Intank fuel pump, design Helical spindle pump with a maximum delivery rate of approx. 220 liters/hr at 0.3 bar delivery pressure. The power consumption is 1 to 2 A.  
  Intank fuel pump, function The actuation is performed via the intank fuel pump relay.
This one is actuated via the output of the fuel pump control unit (N118), if the on/off ratio to the fuel pump (M3) is longer than 5 seconds greater than 72 %.