S.C. Code Ann. § 23-15-120: Coroner to serve or execute process on sheriff in certain circumstances.

If the sheriff shall be a party plaintiff or defendant in any judicial process, execution, warrant, summons or notice to be served or executed within his county, the coroner shall serve or execute such process, execution, warrant, summons or notice. In the discharge of such duties he shall incur such liabilities as would by law attach to their performance by the sheriff himself.