My family possess Mercedes 2002 E200K, Mercedes 1995 E220 and Suzuki V8.
And I would never, never advise anybody to buy a Mercedes, especially a new one.
My old, 1995 MB performs much better than 2002 MB; and costs much less in repairs!
My 2002 is a real pain, within 2 years I've had loads of problems with chassis and electronics. It is still on warranty, and I just dread the moment when it expires.
You can read the whole story at http://www.auto-master.com.ua/eng/merc_e.html
I supply all documents from the MB service station, and the letters I wrote to Daimler Chrysler along with their answers.
Hoping it could be of use to anybody.