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GLK-Class (X204) Produced 2008-2014

GLK250 Turbo Intercooler Hose

     
Old Jun 23, 2025 | 03:10 PM
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'17 GLS450, '14 GLK250, Grandpa's Roadster
Originally Posted by John CC
Unfortunately the 4 years was up in March. The CEL went out and even spirited driving hasn't brought it back, for now.
Well, as expected, it's back. This time I have 3 codes, P0299, P056E and B2aaa. Not sure if the third one means anything, but the other two seem to point to turbo control issues. Any suggestions? I'm trying to get my Scangauge to display MAP, but so far no luck.
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Old Jul 15, 2025 | 10:18 AM
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'17 GLS450, '14 GLK250, Grandpa's Roadster
Anyone tried the Rein hose from FCP Euro? In stock and half the price of the OE part. There's even this subtle implication: "The Rein brand includes a growing number of 'better than OE' parts for selected applications. These parts address known weaknesses and premature failures of factory parts."
Last edited by John CC; Jul 15, 2025 at 10:21 AM.
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Old Jul 16, 2025 | 03:55 AM
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My gosh 180$ for a coolant hose. I would just go the rein.
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Old Jul 16, 2025 | 01:09 PM
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Not a coolant hose; it's a charge air hose.



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Old Jul 16, 2025 | 01:11 PM
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Anyone have a hint on the best way to release the clamps?
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Old Jul 16, 2025 | 01:25 PM
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Sorry I mistyped. Does the hose quality feel like a decent replacement?
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Old Jul 16, 2025 | 01:37 PM
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Seems to be. Only time will tell...
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Old Aug 12, 2025 | 06:56 PM
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Originally Posted by 300SE1993
These are covered by the AEM warranty, if it's still active on your car. If so, take it to the dealer and let them replace it for free.
I have the same tear in my X204 intercooler hose and the same P0299 & P056E codes as of recently. I am still in the AEM warranty window but the dealer won't confirm on the phone that it's covered or 'reasonably' related to the modification and warranty coverage until after a $295 diagnostic fee. Wondering if anyone else has had to fight for a coverage with this particular situation?

I'll know tomorrow after my appt.
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Old Aug 12, 2025 | 07:16 PM
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Originally Posted by mohr
I have the same tear in my X204 intercooler hose and the same P0299 & P056E codes as of recently. I am still in the AEM warranty window but the dealer won't confirm on the phone that it's covered or 'reasonably' related to the modification and warranty coverage until after a $295 diagnostic fee. Wondering if anyone else has had to fight for a coverage with this particular situation?

I'll know tomorrow after my appt.
The dealer told me the same thing when I had warranty work done via the AEM warranty. They should cover everything if they determine it's indeed a warranty eligible repair.
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