One has to wonder how the product planning session went when Mercedes-Benz green lighted the E class AMG estate. Was management on holiday or did someone lose a bet? Whatever the case, the appearance of the E55 AMG wagon was a definite curiosity when it appeared in US dealers, even in very limited numbers. Who bought these cars? Power hungry soccer moms? Dads who were ticked off they had to surrender the sports car? Parents who couldn’t bear the thought of something that so obviously screamed “I give up?†Whatever the reasoning, there are now a few of these high-powered V8 expresses circulating on the used car market. This sleek silver number is for sale from the same dealer who brought you the E320 Coupe from last week.