FirstMerit (FMER) 8-K Changes in Registrant.s Certifying Accountant

Exhibit 16.1

November 7, 2006

Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549

     We have read the statements made by FirstMerit Corporation (the “Company”) (copy attached hereto), which we understand will be filed with the United States Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Company’s Current Report on Form 8-K dated November 1, 2006. We agree with the statements concerning PricewaterhouseCoopers LLP in such Form 8-K.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

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