The tires on my C are approaching 5 years old. A buddy of mine suggested new tires at 5 years regardless of how many miles are on them. I have 26,000 on them now. They are OEM Generals and seem to ...
Not unless you just want a new set of tires that look just like the ones you already have. You Should inspect or have them professionally inspected, starting this year, for unusual wear or and significant side wall cracking. Many people will swap out tires for the reasons your buddy stated at 7 years, yet some tire manufacturers allow for a 10 year swap.