GLS Class (X166) Produced from 2016 to 2019

The car can not restart

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Old Oct 15, 2021 | 09:47 PM
  #1  
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The car can not restart

last week the engine suddenly shut down when I drove down from MT Washington to the ground, at the begging the wheel is very hot, and then the engine can not restart. The car was towed to the dealer for about a week, and they do not know the reason and how to fix it. Does anybody have suggestions? The car is GLS 450 2018. thanks a lot.
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Old Oct 15, 2021 | 10:03 PM
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The dealer doesn't know how to fix it. What exactly have they told you?
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Old Oct 15, 2021 | 10:07 PM
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Originally Posted by chassis
The dealer doesn't know how to fix it. What exactly have they told you?
They said there are 10more comunication errors, they do not know why. Maybe caused by the overheat of the wheels maybe cause by others. When I down the mountain, the wheels were out of normal hot, can not touch. But I just drive for a few minutes that is not normal.

Last edited by houston_tian; Oct 15, 2021 at 10:11 PM.
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Old Oct 16, 2021 | 12:21 AM
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OK. What is the next step?
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Old Oct 16, 2021 | 05:47 PM
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I already towed to another dealer
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Old Oct 20, 2021 | 05:07 PM
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You can now put that big sticker on the rear windshield:

This car drove up Mt. Washington"

.

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Old Oct 20, 2021 | 05:17 PM
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I should add, " This car drove up Mt. Washington but engine dead."
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Old Oct 20, 2021 | 05:44 PM
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What is the prognosis?
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Old Oct 20, 2021 | 08:24 PM
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I'm pretty sure the sticker says "This car climbed Mt Washington".

The trick is to do it in less than 6 minutes... https://mt-washington.com/climb-to-the-clouds
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Old Oct 20, 2021 | 09:23 PM
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the dealer just tell me that the engine is seized.
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Old Oct 21, 2021 | 10:24 AM
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I would ask them "How did that happen?"
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Old Oct 21, 2021 | 01:52 PM
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Originally Posted by houston_tian
the dealer just tell me that the engine is seized.
The engine is seized because you drove it up and down Mount Washington? Holy sh*&%!
We drove our old 1982 Volvo 240 wagon up that mountain in 1999 and the only thing we needed to change afterwards were the brake pads.

.
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Old Oct 21, 2021 | 02:12 PM
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yes, that is the MB, they have taken the engine down, and going to disassemble it。
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Old Jan 1, 2022 | 07:16 AM
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hi, My car was repaired after about 2 and a half months. I was told that they changed a new engine. But from the invoice, it seems that they put the old engine together?

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Old Jan 1, 2022 | 08:48 AM
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If you look at the bottom of the second page it states that they started to fix the engine, then found a bad main bearing so ended up installing a remanufactured engine instead.

This still all begs the question of why the engine seized in the first place. Spun rod bearings are usually related to extreme over speed or lubrication failure. It seems to me the engine electronics should have prevented an overspeed by forcing an upshift, which leaves a lubrication failure...
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Old Jan 1, 2022 | 08:53 AM
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Anyhow, I'm glad you were able to get it fixed, and you didn't have to pay.

I guess, not knowing what happened, I'll refrain from driving ours up there.
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Old Jan 1, 2022 | 09:34 AM
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thank you John for your kindly help! I do not know the reason but I would pay more attention next time down the hill. It would be a lot money if I need pay by myself.

Happy new year to You and everybody here.
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Old Nov 17, 2022 | 10:58 AM
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At the end of the bill it says that the found a blown internal fuse in the starter pre fuse box. Probably that was the whole issue rather than all other parts?

I have seen others having issue and when they replaced the 30G relay or the F32 prefuse box, all the issues were resolved and the car started. Just thinking if the fuse was the reason.
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Old Nov 17, 2022 | 12:46 PM
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The fuse wouldn't have blown coming down the mountain, nor would that have caused the engine to stall. More likely he had an oil related engine failure and then blew the fuse trying to start a seized engine.
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