If past trends are an indicator of the future, then any large engine, well specified, low mileage, low ownership Mercedes 4 seater cabriolet or 2 seater SL have always been in demand. once they get beyond the 20 to 30 years since production ceased. Already the later 80's 107 SL's and excellent examples of the 90's E class 124 4seater cabriolet with sportline are starting to command more money than just 5 years ago.
