R 350 4MATIC (251.165) V6-3.5L (272.967) (2006)
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Malfunction Indicator Lamp: Description and Operation
GF54.30-P-5011V Component Description For The "CHECK ENGINE" Indicator Lamp
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with CODE (494) USA version
Location
The "CHECK ENGINE" indicator lamp is located in the instrument cluster.
Task
To indicate faults in the fuel injection system
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
