CL-Class (W216) 2007-Present: CL 500, CL 600

Cl500 whining

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Old Dec 2, 2016 | 05:19 PM
  #1  
huesey1974's Avatar
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From: Glasgow, UK
CL500
Cl500 whining

Hi,
I just drove from Glasgow to Liverpool to pick up a 2009 cl500, car is stunning and test drive etc was perfect, however after around 50 miles and in traffic i noticed a whining sound that went with revs, i stopped later for a break and when i started it again it was all good, however when i got home it was whining again, it does it in or out of gear moving or not, i will be calling the garage tomorrow but any ideas would be greatly appreciated.
Thanks
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Old Dec 2, 2016 | 06:33 PM
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Cl 500 216
Prob something driven by the serpent belt, would have to remove belt and spin up all that's connected to it, so many ancillarys alt/water pump/ tensioners etc .
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Old Dec 8, 2016 | 12:49 PM
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Cl 500 216
Hi Huesey did you get to the bottom of your new purchase problem ?
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Old Dec 8, 2016 | 02:19 PM
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Hi,
Sorry, Its getting diagnosed at an Indy tomorrow morning, ill post the results.
cheers
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Old Dec 9, 2016 | 03:30 AM
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You can try turning off the AC to rule out the compressor pulley/clutch.

Why am I suggesting this? Because my AC whines :-)
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Old Dec 13, 2016 | 01:08 PM
  #6  
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Hi,
Just to update, The dealer said the damper is the problem but want to replace the whole pump at £1800, Not going to happen so will replace the damper at an Indy.
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Old Dec 13, 2016 | 01:30 PM
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Assuming you mean the ABC pump dampner real easy job, did mine not to long ago changed the oil and filter too.
purchased the dampner from the states £50
Dont you have any warranty as you've just purchased car ?
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Old Dec 13, 2016 | 02:00 PM
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Hi,
The place I bought it from asked if I could get it fixed at an Indy and would just pay the bill for me which I am more than happy to do, The dealer also said I needed 2 front suspension parts at a cost of £900, I then proceeded to tell them the car was serviced and MOT'd with no advisories at a Merc dealer 6 weeks ago, more silence followed. Only reason I got it diagnosed there was its next to my work and the indy is 50 miles away. Wont be back ever!
thanks
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Old Dec 13, 2016 | 02:01 PM
  #9  
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Originally Posted by Paulmurphy
Assuming you mean the ABC pump dampner real easy job, did mine not to long ago changed the oil and filter too.
purchased the dampner from the states £50
Dont you have any warranty as you've just purchased car ?

Yes, The ABC pulsation damper.
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Old Dec 22, 2016 | 08:16 AM
  #10  
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Hi,
Pulsation damper fitted in just under 1 hour, Whining gone.
Cheers
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Old Dec 24, 2016 | 01:22 PM
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I missed all this. The same thing happened to me last year on a CL63 AMG. It was the same thing.
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Old Apr 20, 2018 | 07:33 PM
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Originally Posted by Paulmurphy
Assuming you mean the ABC pump dampner real easy job, did mine not to long ago changed the oil and filter too.
purchased the dampner from the states £50
Dont you have any warranty as you've just purchased car ?
Hi, about to do mine. Do you have a DIY thread to help me along? I hear its quite an easy job but I always appreciate some instruction in advance from those who have gone before me. Thanks.
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Old Apr 20, 2018 | 07:39 PM
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2008 CL550 Graphite Designo, 2005 e320 4matic Wagon, 2001 Mercedes S430 (SOLD) , 1988 Porsche 944 S
Originally Posted by SunnyCL500
I missed all this. The same thing happened to me last year on a CL63 AMG. It was the same thing.
Did you fix it yourself? I hear its quite an easy job but I always appreciate some instruction in advance from those who have gone before me. Thanks.
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