My problem was the viscous fan clutch. I wrote up some details on my web page. This link may be helpful...

http://v12uberalles.com/fan_clutch.htm

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1995 S600, 1 of 618 (sold)

"Speed is just a question of money...how fast you wanna go?"

LONG LIVE THE W140!
Visit my Web Page at www.v12uberalles.com