I do not feel it in the steering wheel or while braking. It disappears at any speed when I let go of the gas pedal. I cannot tell if it is front of the car or propshaft...Definitely not the rear though. I feel it in my seat.
As I said, all 4 tires and rims are fine. The tires are close to brand new, balanced and the car aligned.

The vibration definitely increases as speed increases over 70Mph. Anything under 70, even while accelerating is not felt, but as soon as it hits 70, the vibrations start under load.

Wouldn't bad wheel bearings vibrate all the time, not just under load? Would the steering dampener really cause something like this?

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k