My E320 (140k miles) has a droning / hummmmming noise which seems to be coming from the rear between the speeds of 55 - 65 mph when under power (noise is not heard on over run or if going downhill). Sounded like it may be tyre noise but I've just had all four replaced and noise is still there. Does anyone have any ideas on what the cause might be? TIA.
- posted
19 years ago