Mar 29, 2013 #1 jakeob1 New Member Joined Mar 11, 2013 Messages 23 Location cheshire Car s class Recently bought an 06 w221, i have noticed mostly when the engine is cold a very descrete whistling noice that goes up and down with the change in revs,, Disapeares when the engine is hot Anyone ideas ?
Recently bought an 06 w221, i have noticed mostly when the engine is cold a very descrete whistling noice that goes up and down with the change in revs,, Disapeares when the engine is hot Anyone ideas ?
Mar 29, 2013 #2 R renault12ts MB Club Veteran Joined Mar 5, 2009 Messages 16,671 Car 2005 W215 CL500. Engine fan...
Mar 29, 2013 #3 OP OP jakeob1 New Member Joined Mar 11, 2013 Messages 23 Location cheshire Car s class How would that go when the engine gets hot?
