MBWorld.org Forums

CL55 AMG, CL65 AMG, CL63 AMG (C215, C216) 2000 - 2014 (Two Generations)

help identifying hiss sound

     
Old Jun 30, 2020 | 01:31 PM
Share
  #1  
MartinWake's Avatar
MartinWake
Thread Starter
Super Member
 
Joined: Sep 2019
Posts: 706
Likes: 71
CL55
help identifying hiss sound
Hey everyone can someone please help me identify the hissing sound? Thanks I will post A YouTube link

stock abc

https://youtu.be/xhn-LqcAwzU
Reply
0
Old Jun 30, 2020 | 04:10 PM
Share
  #2  
decorily's Avatar
decorily
MBWorld Fanatic!
10 Year Member
Liked
Loved
 
Joined: Apr 2016
Posts: 1,131
Likes: 194
From: Ireland
GLC 300d 4matic
Help us help you!

A lot of noise there....not sure what I'm hearing!

Is the engine running?
Is the cooling fan running after the engine is shut off?
Reply
0
Old Jun 30, 2020 | 05:18 PM
Share
  #3  
MartinWake's Avatar
MartinWake
Thread Starter
Super Member
 
Joined: Sep 2019
Posts: 706
Likes: 71
CL55
Originally Posted by decorily
Help us help you!

A lot of noise there....not sure what I'm hearing!

Is the engine running?
Is the cooling fan running after the engine is shut off?
Hey, the engine is running and from the video I can hear the hiss its literally just a hissing sound, similar to when you have a little hole on a bike tire and the air is slowly coming out
I am not sure what it is the car stays up goes up really fast too.
Reply
0
Old Jul 1, 2020 | 04:47 AM
Share
  #4  
decorily's Avatar
decorily
MBWorld Fanatic!
10 Year Member
Liked
Loved
 
Joined: Apr 2016
Posts: 1,131
Likes: 194
From: Ireland
GLC 300d 4matic
If you shut off the engine does the hissing continue?
Reply
0
Old Jul 1, 2020 | 01:07 PM
Share
  #5  
MartinWake's Avatar
MartinWake
Thread Starter
Super Member
 
Joined: Sep 2019
Posts: 706
Likes: 71
CL55
Originally Posted by decorily
If you shut off the engine does the hissing continue?
It goes away, I met up with a s55 same engine same abc stuff and his sounds the same.
Reply
0
Old Jul 4, 2020 | 12:07 AM
Share
  #6  
MartinWake's Avatar
MartinWake
Thread Starter
Super Member
 
Joined: Sep 2019
Posts: 706
Likes: 71
CL55
Is this normal?
Reply
0
Old Jul 10, 2020 | 12:24 AM
Share
  #7  
MartinWake's Avatar
MartinWake
Thread Starter
Super Member
 
Joined: Sep 2019
Posts: 706
Likes: 71
CL55
Originally Posted by decorily
Help us help you!

A lot of noise there....not sure what I'm hearing!

Is the engine running?
Is the cooling fan running after the engine is shut off?
Okay so I don't remember exacly what thread I found some information on, (I was just googling some other problem) but it was a 2012 post and someone talked about the hissing sound they said its a nitrogen leak in the front accumulator or something like that and what happens it the nitrogen leaks out and it fills up with abc fluid and then the car rides kinda bouncy
Reply
0
Back to Subforum
CL55 AMG, CL65 AMG, CL63 AMG (C215, C216)
View Next Unread
Cannot find leak location help

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Thread Tools
Search this Thread
Search this Thread:

Advanced Search
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 0 votes, average.
Show Printable Version
Email this Page

Advanced Search

All times are GMT -4. The time now is 03:40 PM.

story-0
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know

Slideshow: Mercedes-AMG's new electric GT 4-Door Coupe trades combustion for software, synthetic noise, and more than 1,100 horsepower.

By Verdad Gallardo | 2026-05-20 20:08:15


VIEW MORE
story-1
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-2
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-3
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-4
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-5
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-6
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-7
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-8
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE
story-9
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

Slideshow: A well-used 1991 Mercedes-Benz 300D with more than one million miles is now looking for a new owner, and it still appears ready for more.

By Verdad Gallardo | 2026-04-10 10:05:15


VIEW MORE