answered 3/24/2010 I've Got A 1985 Mercedes Benz 500 SEL I'm Trying To Find The Value Of The Car But Its Not Listed On The Kelly Blue Book It Has Over 180,000miles And The Interior Is In Fair Condition. Can Anyone Tell Me What The Value Of My Car Is? Well my friend I have a 500 self my self and the last time I check well my car has only 142k and the value was between 12 and 14 gs