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Fuel level sensor, location/task/design/function - GF47.10-P-3001M

MODEL 215, 220 with ENGINE 275.950 

MODEL 230 with ENGINE 275.951 up to Model Year 8 

MODEL 216, 221 with ENGINE 275.953 up to Model Year 8 

MODEL 230 with ENGINE 275.954 up to Model Year 8 

MODEL 215, 220 with ENGINE 275.980 

MODEL 230 with ENGINE 275.981 up to Model Year 8 

MODEL 216, 221 with ENGINE 275.982 up to Model Year 8 

MODEL 240 with ENGINE 285.950 

MODEL 240 with ENGINE 285.980 

Illustrated on model 230 

Fig 1: Identifying Fuel Tank And Fuel Level Sensor
G07631607Courtesy of MERCEDES-BENZ USA
  Fuel gage sensor, location Model 215, 220, 230, 240: Installed into the fuel tank from above. Model 216, 221: One fuel level sensor is mounted in each fuel tank chamber.  
  Fuel gage sensor task The fuel level sensor determines the fuel level in the fuel tank.  
  Fuel gage sensor design Float-and-lever sensor with two wiper contacts (potentiometer) and a float.  
  Fuel gage sensor function Modification of resistance value in line with fuel level.