warbling

  1. HK33

    Warbling noise Help ?

    Hi was wondering if anyone can help. I've had my c63 for 2 months now and have noticed a really annoying noise. It only happens when i'm driving over 40mph and occurs when I open either of the rear windows fully. Yet there's no noise when I open the front windows. It's a really weird noise...
  2. uumode

    'cyclic' warbling noise when turning.

    I've been a bit cheeky.. this is not a MB specific question :D but thought it might be a generic symtom across all cars. Basically when I turn near full lock on my Polo (usually in a carpark) I get a cyclic 'hollow' warbling noise from the front wheels*, not really that loud, but I...
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