drain fuel filter warning light

Discussion in 'Engine' started by ioweddie, Mar 31, 2014.

  1. ioweddie

    ioweddie Hardcore MB Enthusiast

    Messages:
    863
    Joined:
    Sep 16, 2012
    Location:
    Winford Isle of Wight
    Car:
    AMG Line Premier Plus Estate C220d
    Just washed the car 62 reg sport plus c220 and drove down the road to blow off the excess water and the warning light came up drain fuel filter, I pulled over switched off waited a few seconds and then started up and the warning had gone, went for a blast up the road about 5 miles and the light is still off. Is this a glitch or could it be water in the diesel as I filled up on Saturday at the local Morrisons. If the light comes on again its a trip to the dealer but is this a warranty job or are Morrisons potentially liable if its a fault of watere in the fuel?
    Thanks Eddie
     
  2. ItalianTuneUp

    ItalianTuneUp Hardcore MB Enthusiast

    Messages:
    1,357
    Joined:
    Nov 20, 2013
    Location:
    Hampshire
    Car:
    S320CDI
    Funny you should mention this, for while my car's symptoms are different, the common thing here could be water:

    1. I had all lights flash up on the dash twice during the deluge we had in the last few months.

    2. After visiting the car wash, the day afterwards, the dash message lit up red said something like 'battery fault, visit workshop'.

    The fix in all these cases was to 'turn the computer off and on again', like the advice given on the answering machine of The IT Crowd help desk. As these cars have more computers than you can shake a stick at, I suppose a reboot is required once a while? A bit disconcerting though.
     
    1 person likes this.

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