Similar woes have afflicted the Mercedes R-class, first introduced in 2006. Essentially a low-roofed minivan with three rows of seats, it was initially marketed as a "sports cruiser." When that didn't fly, Mercedes tied on a more apropos "family tourer" moniker. Confused buyers, put off by the R's funereal looks, stayed away. U.S. sales never came within shouting distance of Mercedes' goal of 25,000 a year. Despite healthy incentives, the round-roofed R-class has remained anchored to dealers' lots. A scant 195 found buyers during the month of April.

Last updated June 03 2011: 9:20 AM ET
Join the Conversation

You know them: They're the cars you want to drive and hug at the same time. Here's our list of vehicles that make you go, 'Awww.' More

We look at five decades of ups and downs of General Motors, America's largest automaker and no. 10 on the Fortune 500. More

Find Your Next Car

Get the latest car news:

Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.