there is a loud humming noise when i accelerate. as i go faster, the noise gets louder. after i pass 85mph, it goes away. i think something is out of balance. is it maybe a wheel baring, drive shaft, or ???? i have 75000 miles onit already
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Ask Your Question2008 Mercedes-Benz R350
Question: loud huming noise as you accelerate
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Answer #1
patrick mannion from Greg Solow's Engine Room, February 22, 2011, 19:20Reply
MasterIt's so hard to comment without being able to experience the noise/problem first hand. Can you determine if it is from the front or rear, left or right? Look at the tires first to ensure the tires are worn evenly across the tire thread surface, no strange wear pattern, no flat spots or cord showing. After that I would suspect a wheel bearing. Do get this properly checked out as it has the potential to become a more serious problem.
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