MBWorld.org Forums

GL Class (X166) 2013-2015 after facelift became GLS (X166)

2014 gl550 knocking noise

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Aug 13, 2024 | 02:53 AM
Share
  #1  
suvir1's Avatar
suvir1
Thread Starter
Newbie
 
Joined: Aug 2024
Posts: 3
Likes: 0
2014 gl550, 2018 e300
2014 gl550 knocking noise
I have a 2014 gl550 and it has started to have some knocking noise in the past 3-5xxx Km it’s currently sitting near 160,XXX km on the dash Got the hydraulic lift replaced but still lots of noise. any fixes or is this a big problem on this car. What’s my best course of action?
Attached Files
File Type: mov
IMG_1058.mov (7.68 MB, 48 views)
Reply
0
Old Aug 13, 2024 | 08:28 AM
Share
  #2  
silvergl's Avatar
silvergl
Senior Member
 
Joined: Oct 2018
Posts: 255
Likes: 77
From: New Jersey
GL 450
Does it change w RPM, cold or warm? Does it consume oil? I hate to say it, but it sounds like mine did, bore scoring. The mileage is about right. I am sure others will have an opinion, think whatever Amerisup (sp) says is probably right and I would proceed as he suggests.
Reply
0
Old Aug 13, 2024 | 12:52 PM
Share
  #3  
suvir1's Avatar
suvir1
Thread Starter
Newbie
 
Joined: Aug 2024
Posts: 3
Likes: 0
2014 gl550, 2018 e300
Originally Posted by silvergl
Does it change w RPM, cold or warm? Does it consume oil?.
The sounds thee same cold and warm but one think i noticed past 2500-3000 rpm the sound gets quieter but it’s very loud at idle there is also a rough idle.
Reply
0
Old Aug 13, 2024 | 12:55 PM
Share
  #4  
suvir1's Avatar
suvir1
Thread Starter
Newbie
 
Joined: Aug 2024
Posts: 3
Likes: 0
2014 gl550, 2018 e300
Originally Posted by silvergl
I hate to say it, but it sounds like mine did, bore scoring. The mileage is about right.
What did you do later on with your GL one or two of my cylinders misfire at low rpm’s The boring could also be a possibility. who’s Amerisup?
Reply
0
Old Aug 15, 2024 | 02:25 PM
Share
  #5  
mcoady1's Avatar
mcoady1
Member
5 Year Member
Liked
Loved
 
Joined: Jun 2018
Posts: 150
Likes: 23
2017 GLS450, 2013 GL450, RIP 2011 GL450 (totalled)
Sound coming from top of engine or bottom?
Reply
0
Back to Subforum
GL Class (X166)
View Next Unread
Fuse 216 underhoodfuse keeps blowing!

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


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 06:44 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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
story-9
10 Most Reliable Mercedes-Benz Models You Can Buy Used

Slideshow: From bulletproof sedans to surprisingly tough SUVs, these Mercedes models proved that the three-pointed star can go the distance.

By Verdad Gallardo | 2026-04-08 09:55:49


VIEW MORE