In 20 yrs our 80s model diesel mercedes will be 50 ish,a grand father driving a grand father clock ." HEY POPS ,WHATS THAT OLD CAR CALLED." "Well young man, back in the beginning when cars were invented a group of mechanical type minded fellows followed a rule to this day ,build a long lasting car and the world will follow,this 300d for example is the pinnacle piece of that reasoning."