EXHIBIT 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the reference to our firm under the caption Experts in the Registration
Statement (Form S-3) and related Prospectus of The PNC Financial Services Group, Inc. for the
registration of 1,800,000 shares of its common stock and to the incorporation by reference therein
of our report dated February 13, 2008 (except Note 27, as to which the date is November 12, 2008)
with respect to the consolidated financial statements of National City Corporation, and our report
dated February 13, 2008 with respect to the effectiveness of internal control over financial
reporting of National City Corporation, included in The PNC Financial Services Group, Inc.s
Current Report (Form 8-K) dated December 2, 2008, filed with the Securities and Exchange
Commission.
/s/ Ernst & Young LLP
Cleveland, Ohio
December 17, 2008