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Exhibit 99.10
INDEPENDENT AUDITORS' CONSENT
We consent to the incorporation by reference in this Post-Effective Amendment
No. 34 to Registration Statement No. 2-92915 of MFS Municipal Series Trust, of
our reports dated May 4, 2000, appearing in the annual reports to shareholders
for the year ended March 31, 2000, and to the references to us under the
headings "Financial Highlights" in the Prospectuses and "Independent Auditors
and Financial Statements" in the Statements of Additional Information, all of
which are part of such Registration Statement.
DELOITTE & TOUCHE LLP
Deloitte & Touche LLP
Boston, Massachusetts
July 25, 2000
