Check your wheel bearings. A common problem on these cars. Jack up 1 side of car at a time and try to move the tire by pushing in on the top of tire while pulling out on the bottom of tire. See if you feel movement from bearing being loose.
Roaring Wheels - 1948 was released on: USA: 2 October 1948
Yes, 16 inch wheels were an option.
Not without modification
Unfortunately the lug pattern is different, the wheels will not interchange. You can use Thunderbird or Cougar wheels.
mercury mountaineer 2004 24 inch wheels
One of your wheel bearings are bad
A 1991 mercury topaz has drum brakes on the rear wheels.
Sounds like P.S. belt may be slipping either adjust or replace
Yes, with 14 inch wheels.
This vehicle did not come with 14" wheels. Depending on trim, they were 15" and 16".
Wheels from a concurrent Mercury Grand Marquis or a Lincoln Town Car would fit.
- Don't Accelerate Too Hard. Or - Pull Away in 2nd Gear. :) My Dad Is a Mecanic.