Whine noise from lower passenger footwell?
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Joined: Aug 2014
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2010 S550 4Matic
Whine noise from lower passenger footwell?
I have this whine or drone noise that comes on now and then while driving.
Its faint, but loud enough to hear with radio low. It drones till when I come to a complete stop, I hear a relay type "click" and no more noise.
Airmatic pump going bad?
Its faint, but loud enough to hear with radio low. It drones till when I come to a complete stop, I hear a relay type "click" and no more noise.
Airmatic pump going bad?
