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Home >> Mercedes Benz >> 2011 >> CL550 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 216 Chassis - 2 Of 6 >> Basic Knowledge >> Engine diagnosis indicator lamp, location/task/function - GF54.30-P-4102M

Engine diagnosis indicator lamp, location/task/function - GF54.30-P-4102M

MODEL 215, 220 with ENGINE 275.950 except CODE (494) USA version 

MODEL 230 with ENGINE 275.951 except CODE (494) USA version 

MODEL 216, 221 with ENGINE 275.953 except CODE (494) USA version 

MODEL 230 with ENGINE 275.954 except CODE (494) USA version 

MODEL 215, 220 with ENGINE 275.980 except CODE (494) USA version 

MODEL 230 with ENGINE 275.981 except CODE (494) USA version 

MODEL 216, 221 with ENGINE 275.982 except CODE (494) USA version 

MODEL 240 with ENGINE 285.950 except CODE (494) USA version 

MODEL 240 with ENGINE 285.980 except CODE (494) USA version 

Shown on the instrument cluster of model 240 

Fig 1: Identifying Engine Diagnosis Indicator Lamp
G10111005Courtesy of MERCEDES-BENZ USA
  Engine diagnosis indicator lamp, location The engine diagnosis indicator lamp (engine symbol) is located in the instrument cluster.  
  Engine diagnosis indicator lamp, task To indicate faults in the fuel injection system  
  Engine diagnosis indicator lamp, function The indicator lamp is actuated by the instrument cluster via a CAN message from the engine control unit. As a check of the function it lights up when the ignition is ON and for approx. 1 second as of an engine speed of approx. 500 rpm. The indicator lamp goes out if there is no fault present.