Component description for the "CHECK ENGINE" indicator lamp - GF54.30-P-5011V

MODEL 164, 251 with ENGINE 272.967 except CODE (494) USA version

MODEL 164 with ENGINE 273.923 except CODE (494) USA version

MODEL 164 with ENGINE 273.943 except CODE (494) USA version

MODEL 164, 251 with ENGINE 273.963 except CODE (494) USA version

Shows model 219

Location

The "CHECK ENGINE" indicator lamp is located in the instrument cluster.

Task

To indicate faults in the fuel injection system

Fig 1: Identifying Check Engine MIL - Shows Model 219

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Function

The indicator lamp is actuated by the instrument cluster via a CAN message from the engine control unit. To check the function it lights up with ignition on ON and as of an engine speed of approx. 500 rpm for approx. 1 s. If there is no fault, the indicator lamp goes out