Squeaky Wheel Sound when Engine is Cold 2018 S560 4Matic
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Newbie
Joined: Jan 2023
Posts: 8
Likes: 4
From: New Jersey, US
W222 S560 4M
Squeaky Wheel Sound when Engine is Cold 2018 S560 4Matic
Hi all,
I have a 2018 S560 4M, warranty just ended. I noticed that when I start the car in the morning, I hear a squeaky wheel turning inside of the engine bay.
The car runs without issues, even when, standing behind it, it rumbles nicely from the exhaust tips.
maybe I’m noticing it more now? I am annoyed by it a bit. here is a short video I took:
https://youtu.be/6jTNPiJA_EM
what do you think?
dellserv
I have a 2018 S560 4M, warranty just ended. I noticed that when I start the car in the morning, I hear a squeaky wheel turning inside of the engine bay.
The car runs without issues, even when, standing behind it, it rumbles nicely from the exhaust tips.
maybe I’m noticing it more now? I am annoyed by it a bit. here is a short video I took:
https://youtu.be/6jTNPiJA_EM
what do you think?
dellserv
Super Member
Joined: May 2011
Posts: 975
Likes: 270
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
Never easy to tell from video but most likely a pulley, remove V belt and start engine (briefly) to check.
Thread Starter
Newbie
Joined: Jan 2023
Posts: 8
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From: New Jersey, US
W222 S560 4M
Thread Starter
Newbie
Joined: Jan 2023
Posts: 8
Likes: 4
From: New Jersey, US
W222 S560 4M
Thanks - it was the Certified Preowned Warranty that expired, not the original Factory Warranty (that one expired a year ago). Ok I googled that there is a bunch of pulleys that need to be replaced if it squeaks...
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Still, doesn't hurt to ask for goodwill if within 30-60 days of expiration.
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2014 S550 AMG, 2017 XT5
Hi all,
I have a 2018 S560 4M, warranty just ended. I noticed that when I start the car in the morning, I hear a squeaky wheel turning inside of the engine bay.
The car runs without issues, even when, standing behind it, it rumbles nicely from the exhaust tips.
maybe I’m noticing it more now? I am annoyed by it a bit. here is a short video I took:
https://youtu.be/6jTNPiJA_EM
what do you think?
dellserv
I have a 2018 S560 4M, warranty just ended. I noticed that when I start the car in the morning, I hear a squeaky wheel turning inside of the engine bay.
The car runs without issues, even when, standing behind it, it rumbles nicely from the exhaust tips.
maybe I’m noticing it more now? I am annoyed by it a bit. here is a short video I took:
https://youtu.be/6jTNPiJA_EM
what do you think?
dellserv
Newbie
Joined: Feb 2024
Posts: 1
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S560
I have this issue too...
Super Member
Joined: Jan 2009
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From: In The Woods
2019 W222 S560 4Matic/2025 Yukon Denali
I have this issue and the dealership did fix the pulley under my certified preowned warranty... But, the sound is back about a month later and so its back with them today. I was already prepped with "we may need to replace the belt itself this time" which is not a warranty covered item (wear and tear). They specifically told me the belt looked perfectly fine last time, so I don't feel confident that they won't just charge me to replace the belt to see if that works. I am a bit distrusting of the dealership at this point due to past experiences. The sound goes away once the vehicle is warmed up or if it's a warmer day in general.
I replaced all my pulleys and belts, still does the same thing, goes away when warmed up.
All Mercedes make different sounds in different weather.
Senior Member
Joined: Aug 2023
Posts: 344
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From: Maysville, KY , est'd 1767
Mercedes S560
OF course, this is maintenance problem.
In my car ownership of over some 70 years and some 30 + cars of a variety of import and domestic makes, including 5? 6? Mercedes, I've have no recollection of hearing an automotive v-belt aqueak.
Last edited by Lou B; Feb 15, 2024 at 12:32 PM. Reason: typo
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2001 S600 V12 Sold, 2011 Jaguar XFR Sold, 2017 S550 4-Matic, 2018 S63 AMG Sedan
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From: Cincinnati
2010 E350 4Matic
As it happens, our famiiy business, later sold, was built around v-best drives. From all that I was taught, learned as a field salesman, pulley (actually, the correct term is "sheave;" pulleys in the world of mechanical power transmission are flat and run with flat belts, no v-belts.) sheaves rarely wear out. The problem usually arises from the v-belt, and the most common cause in a single belt drive is improper belt tension. Belt dressing is a waste of time and money in attempting to resolve belt slippage, not to mention creating a mess.
OF course, this is maintenance problem.
In my car ownership of over some 70 years and some 30 + cars of a variety of import and domestic makes, including 5? 6? Mercedes, I've have no recollection of hearing an automotive v-belt aqueak.
OF course, this is maintenance problem.
In my car ownership of over some 70 years and some 30 + cars of a variety of import and domestic makes, including 5? 6? Mercedes, I've have no recollection of hearing an automotive v-belt aqueak.
Last edited by MBNUT1; Feb 15, 2024 at 07:58 PM.
Senior Member
Joined: Aug 2023
Posts: 344
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From: Maysville, KY , est'd 1767
Mercedes S560
Reread for comprehension.
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2014 S550 AMG, 2017 XT5
