GLK-Class (X204) Produced 2008-2014

1st problem, just venting

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Old Sep 17, 2019 | 09:52 PM
  #1  
karmikan's Avatar
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From: Toronto, Canada
GLC300 (mine) GLK250 (wife's)
1st problem, just venting

We were out in my wife's 2015 GLK250 today and had our very first problem with the car. Coming out of a store we noticed that a part of the exhaust pipe was hanging down. Had a look and noticed that the bolt holding the clamp joint between the rear part of the exhaust system (including the rear muffler) and the rest of the system had snapped due to corrosion. The end of the pipe was hanging about 3in from the ground but I was able to wire it back in place temporarily to get us home.

Got to thinking, the hanging end of the pipe was facing forward. So if we had hit a pothole or rough railroad tracks the end of the pipe could easily have hit the road and the damage could have been severe. We could easily have been looking at the rear muffler tearing off taking with it a chunk of the rear bumper. Just blind luck that this didn't happen, we're 3 mths out of warranty

OK, we live in the rust belt but gimme a break! Still love the car but for MB to hold a stainless exhaust system together with bolts that rust through in 4 yrs is pretty sad. The best or nothing?

End of rant.
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Old Sep 18, 2019 | 03:33 AM
  #2  
coda1970's Avatar
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GLK 250 Bluetec
Exhaust / emissions warranty

Originally Posted by karmikan
We were out in my wife's 2015 GLK250 today and had our very first problem with the car. Coming out of a store we noticed that a part of the exhaust pipe was hanging down. Had a look and noticed that the bolt holding the clamp joint between the rear part of the exhaust system (including the rear muffler) and the rest of the system had snapped due to corrosion. The end of the pipe was hanging about 3in from the ground but I was able to wire it back in place temporarily to get us home.

Got to thinking, the hanging end of the pipe was facing forward. So if we had hit a pothole or rough railroad tracks the end of the pipe could easily have hit the road and the damage could have been severe. We could easily have been looking at the rear muffler tearing off taking with it a chunk of the rear bumper. Just blind luck that this didn't happen, we're 3 mths out of warranty

OK, we live in the rust belt but gimme a break! Still love the car but for MB to hold a stainless exhaust system together with bolts that rust through in 4 yrs is pretty sad. The best or nothing?

End of rant.
Ask and see if they'll do a goodwill fix since it is so close out of warranty.

Last edited by coda1970; Sep 18, 2019 at 03:51 AM. Reason: Clarity
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Old Sep 18, 2019 | 12:38 PM
  #3  
B737's Avatar
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From: Jersey Shore
2012 GLK
That is an easy one, be thankful
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Old Sep 18, 2019 | 06:23 PM
  #4  
karmikan's Avatar
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From: Toronto, Canada
GLC300 (mine) GLK250 (wife's)
Originally Posted by coda1970
Ask and see if they'll do a goodwill fix since it is so close out of warranty.
Good idea but I fixed it myself with a freebee stainless bolt from my friendly neighborhood auto parts store.
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Old Sep 18, 2019 | 08:14 PM
  #5  
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2013 glk 350
I’m sure it was a mistake because it rusted out as they are dissimilar metals and are never put together
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Old Sep 21, 2019 | 07:52 AM
  #6  
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2013 GLK 250 BT
Originally Posted by karmikan
We were out in my wife's 2015 GLK250 today and had our very first problem with the car. Coming out of a store we noticed that a part of the exhaust pipe was hanging down. Had a look and noticed that the bolt holding the clamp joint between the rear part of the exhaust system (including the rear muffler) and the rest of the system had snapped due to corrosion. The end of the pipe was hanging about 3in from the ground but I was able to wire it back in place temporarily to get us home.

Got to thinking, the hanging end of the pipe was facing forward. So if we had hit a pothole or rough railroad tracks the end of the pipe could easily have hit the road and the damage could have been severe. We could easily have been looking at the rear muffler tearing off taking with it a chunk of the rear bumper. Just blind luck that this didn't happen, we're 3 mths out of warranty

OK, we live in the rust belt but gimme a break! Still love the car but for MB to hold a stainless exhaust system together with bolts that rust through in 4 yrs is pretty sad. The best or nothing?

End of rant.
I had the same bolt rust through after only 3 years, fortunately I heard the clamp rattling and replaced the bolt before the pipes separated.
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Old Sep 21, 2019 | 07:06 PM
  #7  
karmikan's Avatar
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From: Toronto, Canada
GLC300 (mine) GLK250 (wife's)
Originally Posted by bluecoupe05
I had the same bolt rust through after only 3 years, fortunately I heard the clamp rattling and replaced the bolt before the pipes separated.
Only 3yrs, must be an Ontario thing. Glad you avoided a mess.There's another identical clamp between the cat and the Y pipe and I briefly thought about replacing the bolt but decided against it, There are separate hangers for both pipes so it's pretty safe and I didn't want to create a problem if (when?) the bolt snaps while I'm trying to loosen it. Let sleeping clamps lie.

Last edited by karmikan; Sep 21, 2019 at 07:28 PM. Reason: syntax
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