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1990 Mercedes-Benz 300E 2.6 2.6L MIL Lamp on, Code 18
Posted to European Driveability on 3/11/1999

Greetings from the Sunny Pacific N.W.

The car is back a second time for Code 18 in the CIS-E computer. The first time we erased code and sent customer on his way. The Check Engine light is hard to ignore. Anyway the DTC book says code 18 means signal to idle...

  Related Documents & Media  1990 Mercedes-Benz 300E 2.6

 
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car Vehicle Data

1990 Mercedes-Benz 300E 2.6

VIN WDBEA26DXL
Engine2.6 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMIL Lamp on, Code 18
OccursIntermittently

Trouble Codes

18Idle air signal is implausible
Message Closed

car Vehicle Data

1990 Mercedes-Benz 300E 2.6

VIN WDBEA26DXL
Engine2.6 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMIL Lamp on, Code 18
OccursIntermittently

Trouble Codes

18Idle air signal is implausible