I am considering looking at some mid 90's C280's in the 80 to 90k mile range. I am trying to gather info on maintenance. I am wondering what type of maintenance I may have to do if not yet done and what are costs. I own a 1986 Porsche 944 Turbo so I am not afraid to do work myself. Are these cars easy to work on? Any failure points that typically need to be updated? Are there any websites that might have info on buying used. From what I can gather these cars are long lived. But are they like other cars such as my 944T, in that they will be long lived as long as you maintain them? Appreciate any info.