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    Ml 270 cdi

    Hi NGOK, it's quite likely the turbocharger isn't functioning. Our ML270 had those symptoms a while ago. It turned out to be quite a subtle fault - the EGR vale wasn't working, because there wasn't enough vacuum boost to help the solenoid close it (turbocharged air goes round in circles - no...
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    Harman Kardon - worthwhile upgrade?

    Hi 10EDD, I have the HK system in my W203 C350, and I am very satisfied with it. I agree that the 'normal' sound is not marvellous - it seems to be down under the dashboard somewhere. The DSP 'surround' processing sounds a fraction coloured on audiophile female singing voices (Chesky Rebecca...
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    C Coupe Standard Audio vs Haron Kardon

    Hi rommi, I have the Harman Kardon Logic 7 audio system in my 2005 W203. The main difference compared to 'standard' is the imaging - the standard sound comes from the dash board level or below, and the Logic 7 sound from the above dash and wind screen area. The sub woofer is subtle but...
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