When I turn the ignition from the second position (driving position) to off I hear a series of fast clicks. I would say 3 to 5 of them. At first I thought my diesel was dieseling as a gas engine would. That is what it sounds like.

I then thought maybe it was bearings in the aux fans or blower motor - but I still hear this when car is cold, everything is off and all I am doing is moving the key from position 2 to off - wothout even starting the car.

Does anyone know what is activated in this position? I know the radio works, the cc starts to blow etc..

Any thoughts?

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1996 (W210) E300D 86K - Traded in for a Lexus
1992 (W124) 300D 2.5 Turbo 202K - Sold
1983 (W123) 300D, 146K - Sold
1970 280S, 263K - Sold - Beginning of addiction