Thanks for the great information. I've decided to keep the car. I'm not sure why, but it's hard to part with a Mercedes. I guess it comes down to the feeling that I really am driving one of the best cars on the road, so why replace it?

I drove a Lexus LS430 yesterday. Very nice car, but lacks the character and driver's involvement of the Mercedes.

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Dave

1998 E320
2001 SLK320
2000 Lexus RX300