engine noisy

  1. J

    HELP! Engine noisy after oil change and flush W245 B170

    Hi everyone, recently we had an oil change to our car and our mechanic friend noticed a build up of sludge at the oil filler cap and he recommended we do an engine flush, so we left the car with him and he done the flush and oil and filter change. Picked the car up and off we went. The next...
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