My 95 E320 wagon got a new set of Bridgestones approximately 5000 miles ago. Today I noticed that the right rear tire is...well lets put it this way...Lincoln's head don't touch the thread. As a matter of fact the rim of the penny just barely gets covered with tire thread depth.
The other three tires are in great shape...what could be this new adventure?
Wagon has almost 250,000 miles and runs great. Suspension is not bouncy...nitrogen canisters are tight...air pressure to specs...

Thanks in advance!

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I have never met a man so ignorant that I couldn't learn something from him. -Galileo Galilei, physicist and astronomer (1564-1642)