S63L W222 - Noise - MBWorld.org Forums

Dec 12, 2020 | 04:48 PM

sambam2006

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Joined: Dec 2009

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GLC Coupe, S63L W222

S63L W222 - Noise

Any help would be appreciated as I just recently got my car back after they changed Pulsation Damper

Thanks

Dec 27, 2020 | 04:38 PM

Wiggis

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Joined: May 2016

Posts: 130

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From: Oxford, UK

GLC63S, A35 AMG

Quote:

Originally Posted by sambam2006

Hi Guys,

Recently I have started to experience some weird noises while car is stationary. I don't really know what to make of it if I'm honest.

I would be grateful if someone could shed some light

My Car is a UK (Rear wheel drive) S63L W222 (2016)

I have attached some videos to possibly help, I uploaded them to youtube, see links below:
Rattling Noise - Click Here to watch on youtube
Whistling Noise - Click Here to watch on youtube

Any help would be appreciated as I just recently got my car back after they changed Pulsation Damper

Thanks

Could be this ? https://static.nhtsa.gov/odi/tsbs/20...51973-9999.pdf

Last edited by Wiggis; Dec 27, 2020 at 04:44 PM.

Dec 30, 2020 | 02:51 PM

sambam2006

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Joined: Dec 2009

Posts: 126

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GLC Coupe, S63L W222

Thanks I can see it's not for my engine, it says M177,I have pre-facelift model from 2014-2017 so my engine is M157 (5.5 Biturbo)

Thank you for sharing though :-)

I spoke to my dealer yesterday and sadly they are not experienced enough with my engine so they can't find the fault and doing guesswork, I think they will look properly after 4th January due to covid

Feb 8, 2021 | 11:21 AM

M157xxx

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Joined: Feb 2021

Posts: 2

Likes: 0

G63

Quote:

Originally Posted by sambam2006

I am experiencing the same issue, unfortunately it seems it's the internals of the engine.

Let me know if you want more information.

Feb 8, 2021 | 11:32 AM

sambam2006

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Joined: Dec 2009

Posts: 126

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GLC Coupe, S63L W222

Quote:

Originally Posted by M157xxx

I am experiencing the same issue, unfortunately it seems it's the internals of the engine.

Let me know if you want more information.

Are you getting the rattle or whistle?

Mercedes diagnosed the rattle, that was the Belt Tensioner mechanism which was ordered mid January and not in stock in Germany until end of February so they gave my car back saying its safe to drive, so its sat at home until the part arrives.

The whistle they are not sure so said wait until the belt tensioner is replaced first.

Feb 13, 2021 | 10:00 AM

Ndalessandro

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Joined: Jul 2020

Posts: 11

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W222

Feb 13, 2021 | 10:50 AM

sambam2006

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Joined: Dec 2009

Posts: 126

Likes: 8

GLC Coupe, S63L W222

Thanks, handy video there.... looking at some of the other videos online I don't think I have these symptoms.

The rattle on mine was diagnosed as being the belt tensioner, the part has finally arrived now waiting to get my car in to finally get this sorted.

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Mar 12, 2021 | 11:15 AM

sambam2006

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Joined: Dec 2009

Posts: 126

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GLC Coupe, S63L W222

Update:
Okay so finally got my car back after waiting over a month for just the part.

Rattle problem has been fixed (Belt Tensioner) BUT...

2. Whistling/whining issue: still exists, I can see very small puddle of oil under intake manifold and experience slight high/low idle when I start car from cold.

Any ideas where to look so I can pin point and get he car in at Mercedes again.

I have the M157 engine, will attach pictures later

Mar 12, 2021 | 01:17 PM

#10

Ndalessandro

Newbie

Joined: Jul 2020

Posts: 11

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W222

Quote:

Originally Posted by sambam2006

Update:
Okay so finally got my car back after waiting over a month for just the part.

Rattle problem has been fixed (Belt Tensioner) BUT...

What did MB tech say about the whistling/whining?

Mar 12, 2021 | 03:12 PM

#11

sambam2006

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Joined: Dec 2009

Posts: 126

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GLC Coupe, S63L W222

They playing guessing game and don't actually know what they are looking for

Sadly they don't get many M157 here at the dealers so limited in there understanding.

And I can't be paying £174 per hour for them to play guessing game lol

Thanks to everyone here I was able to pin point the rattle and tell the dealer.
With the whistle/whining it seems to be a little more complicated sadly.