heat constantly comes in interior compartment also cant get ac to come on it is on 1994 Mercedes-Benz SL500

my question was well over 10 characters

Asked by for the 1994 Mercedes-Benz SL500
you need to scan computor at stacks auto we can handel that for you,we need to check blend air doors and control unit give us a call to set up a time good for you 631-422-4010