I've have my 1985 240DL serviced by Larry in Long Valley for the past 14 years. He only deals with Volvo's and was factory trained. I've never had an issue with him.

I had a wiring harness fail on me. I took it to Bridgewater Volvo (the closest too me). They wanted $100 to even look at the car, not even fix it. I grudgingly did it because my dash lit up like a Christmas tree (Lambda, parking brake, brake failure, alternator, light out, maybe more), and I didn't want to chance losing the car. They called back and said they wanted several hundred dollars for the wiring harness job, well the car isn't even worth that much. I took it Larry's he had me up and running for under 50.