Quote:
Originally Posted by lsal
Quote:
Originally Posted by calbear550
I had some whistling from the drivers side rear a/c vent right that's located right by the drivers ear. I had it closed and the rear a/c was on low-medium. I could hear it slightly with the radio off. Opening the vent or turning the rear a/c fixed it. Not sure if that's what you're experiencing, but worth a shot.
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I will try and update
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Just took deliver of 21m5c and same issue… it becomes especially pronounced on highway at speeds above 70-75mph and coming from driver's window area… I came from m550 also…
I have break in service in 2 days… anything that anyone figured out?