This is the thing, I have a mechanic my family has used for years for the regular bits, it’s the specialist things I wanted, like you say MB Indy is the way to go. Gearbox oil is the first thing been done before but I want the car tip top and can’t beat the peace of mind!I think for fun of the mill brakes , suspension , basic servicing it’s not a problem , but fault finding or problems which are based on a specialists knowledge may be better at the MB indys