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JYO · 06-27-2009, 08:23 PM

Are you any of you familiar with having a loud fan noise when the engine gets hot enough and auxilliary fan kicks on. It sounds almost like the emergency warning system alarm that sounds when there is a tornado warning.

Dealer said it's normal especially for CLK like mine. My personal mechanic said it shoudn't be that loud and that the fan motor is going bad but he said to just wait till it goes kaput.

Any input appreciated.

06-27-2009, 08:23 PM	#1
JYO Member Join Date: Nov 2001 Location: Dallas Posts: 142 Drives: 1999 E 320, 2005 CLK55 Cab	Aux fan noise loud with my 2005 W209 Are you any of you familiar with having a loud fan noise when the engine gets hot enough and auxilliary fan kicks on. It sounds almost like the emergency warning system alarm that sounds when there is a tornado warning. Dealer said it's normal especially for CLK like mine. My personal mechanic said it shoudn't be that loud and that the fan motor is going bad but he said to just wait till it goes kaput. Any input appreciated.