MBWorld.org Forums

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

Water Leak GL 550

     
Old Nov 5, 2019 | 08:57 AM
Share
  #1  
Andy Scott's Avatar
Andy Scott
Thread Starter
Junior Member
 
Joined: Jun 2019
Posts: 25
Likes: 9
From: Florida
GL 550
Water Leak GL 550
HI

I have a water leak , which appears to be coming from a hose with crimped connections. Is it possible to replace this hose with regular tools, or is it a dealership job?

I have attached a couple of pictures. This hose is wet and swollen, so appears to be the culprit.


Reply
0
Old Nov 5, 2019 | 10:21 AM
Share
  #2  
Andy Scott's Avatar
Andy Scott
Thread Starter
Junior Member
 
Joined: Jun 2019
Posts: 25
Likes: 9
From: Florida
GL 550
Would anyone know the part number for this hose? Thanks
Reply
0
Old Nov 5, 2019 | 05:15 PM
Share
  #3  
arsupisemnet's Avatar
arsupisemnet
Super Member
5 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2019
Posts: 733
Likes: 297
From: New Orleans
2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
That is AC hose. Could be just condensate drips from outside or something else is leaking around
Reply
0
Old Nov 6, 2019 | 03:13 PM
Share
  #4  
Forrest Gump 9's Avatar
Forrest Gump 9
MBWorld Fanatic!
15 Year Member
Liked
 
Joined: Dec 2008
Posts: 2,190
Likes: 35
shrimp boat
Look up, probably something above it leaking down
Reply
0
Old Nov 7, 2019 | 11:19 AM
Share
  #5  
Andy Scott's Avatar
Andy Scott
Thread Starter
Junior Member
 
Joined: Jun 2019
Posts: 25
Likes: 9
From: Florida
GL 550
Turned out to be turbo coolant pipe.
Reply
0
Old Nov 7, 2019 | 02:52 PM
Share
  #6  
Forrest Gump 9's Avatar
Forrest Gump 9
MBWorld Fanatic!
15 Year Member
Liked
 
Joined: Dec 2008
Posts: 2,190
Likes: 35
shrimp boat
Originally Posted by Andy Scott
Turned out to be turbo coolant pipe.
How many miles? Very labor intensive job
Reply
0
Old Nov 8, 2019 | 11:16 AM
Share
  #7  
arsupisemnet's Avatar
arsupisemnet
Super Member
5 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2019
Posts: 733
Likes: 297
From: New Orleans
2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
Turbo coolant

pipe is a common issue with M278. It is the one on top of the engine with plastic housing.
Reply
0

Trending Topics

Old Nov 8, 2019 | 02:56 PM
Share
  #8  
Andy Scott's Avatar
Andy Scott
Thread Starter
Junior Member
 
Joined: Jun 2019
Posts: 25
Likes: 9
From: Florida
GL 550
Originally Posted by Forrest Gump 9
How many miles? Very labor intensive job
75,000 miles. Bit the bullet and had done at local Mercedes independent shop
Reply
0
MB World Stories

The Best of Mercedes & AMG

story-0

6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

 Verdad Gallardo
story-1

Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

 Verdad Gallardo
story-2

Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

 Verdad Gallardo
story-3

8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

 Verdad Gallardo
story-4

Flawlessly Restored Mercedes 190E Evo II Heads to Auction

 Verdad Gallardo
story-5

Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

 Verdad Gallardo
story-6

Mercedes EQS Gets A Major Update: Everything You Need to Know

 Verdad Gallardo
story-7

5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

 Verdad Gallardo
story-8

Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

 Verdad Gallardo
story-9

10 Most Reliable Mercedes-Benz Models You Can Buy Used

 Verdad Gallardo
Old Nov 8, 2019 | 02:57 PM
Share
  #9  
Andy Scott's Avatar
Andy Scott
Thread Starter
Junior Member
 
Joined: Jun 2019
Posts: 25
Likes: 9
From: Florida
GL 550
Originally Posted by arsupisemnet
Turbo coolant

pipe is a common issue with M278. It is the one on top of the engine with plastic housing.
Yes, it was plastic housing which was leaking.
Reply
0
Old Nov 8, 2019 | 03:10 PM
Share
  #10  
BlownV8's Avatar
BlownV8
MBWorld Fanatic!
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 2003
Posts: 8,882
Likes: 1,212
From: In my garage
E55, GLS450, GL63, GLE350
Makes perfect sense to use plastic right next to a 1600 degree turbocharger.
Reply
0
Old Nov 8, 2019 | 10:02 PM
Share
  #11  
arsupisemnet's Avatar
arsupisemnet
Super Member
5 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Jul 2019
Posts: 733
Likes: 297
From: New Orleans
2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
I had mine replaced at 40k miles.
Reply
0
Back to Subforum
GL Class (X166)
View Next Unread
Battery completely dead...

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 05:23 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