chain

I'm thinking of buying a 1980 380SL (107) with 90,000 miles. I've heard about weak single timing chains and was wondering how big an issue these are; Do they just snap with no warning or do they tend to rattle first? What mileage should I consider changing it? Is it worth while upgrading to...

Hi - I'd appreciate some help and advice please. I've just entered the world of Merc ownership by buying a 97 C180 Esprit Estate Auto for my wife. Picked it up on Saturday and after driving it over 200 miles home I have to say that it is an excellent car. It's done 97k but has a full main...