A Class -Engine Diag lamp on dash

Discussion in 'General Discussion' started by paulfoel, Oct 23, 2013.

  1. paulfoel

    paulfoel Hardcore MB Enthusiast

    Jul 14, 2003
    Wife not used for about two months. Battery was completely flat.

    Jump started it with portable charger. But light is now on.
    Is this normal considering its not been used?

    Also, how far to drive to charge battery?
  2. theogeor

    theogeor Hardcore MB Enthusiast

    May 6, 2011
    Greater London
    B180 SE (w246), A160 (W169) Avantgarde, Porsche 911 (997 C2)
    More often that less you get errors when battery is flat.

    Need to do a nice long drive 1h or more for the battery to be charge assuming the battery is not dead ... A nice motorway drive when there is little traffic and making sure that you are 1 gear lower so as to have a bit higher revs should work. Saying that is easier and long term less expensive to have a battery charger :)



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