loud 550 engine fan - MBWorld.org Forums

05-07-2011, 02:52 AM

#1

midnight AMG

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CLK 550

loud 550 engine fan

anyone notice a loud fan noise for clk 550 on hot days?

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05-07-2011, 10:10 AM

#2

M-bENZ

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Corrolla

We all have ...CLK 500 and 550 .

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05-07-2011, 10:31 AM

#3

dynomite05

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04 CLK 320 > CLK32K

It's hot so it's working overtime.

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05-07-2011, 10:52 AM

#4

Yidney

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2008 CLK550 Cab

Yeah, sounds like a small airplane under the hood.

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05-07-2011, 11:49 AM

#5

Kevwood

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'05 C200K SS, '05 Kleemann CLK500K, '08 Hummer H3 & '92 Z34 5sp (track car in Canada)

The fan RPMs jump up and you get that sound, in the winter here it happens once in a while, in the summer it's constant.

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05-07-2011, 12:06 PM

#6

fusion2007

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CLS 63 S AMG , s500,clk550

yup!! it drowns out sound of the engine

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05-08-2011, 12:14 PM

#7

sleepyheadzzz

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2000 Volvo S40, 2006 Hummer H3, 2008 CLK550

wat a newb question....lol

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05-08-2011, 12:45 PM

#8

M-bENZ

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Corrolla

lol

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05-10-2011, 06:16 PM

#9

mralf

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2005 Mercedes CLK 500

Yup the AC on high causes that on mine.

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05-11-2011, 12:38 AM

#10

kbahl21

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CLK & GL

it whines down too...like a jet!!

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06-17-2012, 06:50 PM

#11

jlam

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2009 CLK550

This happens on my 09 clk550 when the AC is on MAX. I guess it's normal from what everyone is saying.

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06-21-2012, 02:40 PM

#12

CLKV8U

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W209 CLK500, W202 C43 AMG, E39 M5, E30 318is

normal....but if it happens A LOT, all the time...then it might be your coolant temperature sensor...mine went bad, and caused the fan to come on the whole time the car was on...even tho it wasn't over heating.

but if its just really hot out and you have your AC blasting its normal.