Transfer case trying to lock up.Took to dealer and he said it needed an oil change on the transfer case. The change interval had been update by MB to 30,000 miles due to this problem. Oil was changed per TSB and the problem has not return
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how
frequently 2006 Mercedes-Benz S-Class problems occur, check out our car reliability stats.