Is there a test for head gasket failure? if so who does this test? on 1993 Mercedes-Benz 300CE

my car seems to have some symtoms....running at a higher temp than normal

Asked by for the 1993 Mercedes-Benz 300CE
any good repair shop will have rad gas tester and can ck hydracarbons in cooling system. but pic a good shop that works on these cars all the time