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check engine

  1. smart Operation and Maintenance
    Hello, I just bought my third smart (long story) two weeks ago. Yesterday I stopped for a red light and when it turned green the car was out of gear with the D flashing. Pulled over (it would go very slowly) and googled the flashing "D" and found a post on here about retraining the...
  2. Modifications and Repairs
    twice now my check engine lite has come on my 450 S.Mann Smart both times I think I might have redlined it sitting parked.. the first time I cleard it at AUOTZONE (free) using the generic ODB scanner on NON US Mercedes .. it cleared.. ok now the second time I have yet to clear it, (havent had...
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