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LETTER FROM MERCEDES BENZ ABOUT EXTENDED WARRANTY ADDENDUM

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Old Apr 5, 2023 | 04:17 PM
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Question LETTER FROM MERCEDES BENZ ABOUT EXTENDED WARRANTY ADDENDUM

Greetings all,

I just received a letter in the mail pertaining to EXTENDED WARRANTY ADDENDUM pertaining to the EXHAUST VALVE ASSEMBLY. So, I was wondering if any of you may have received anything like this? Let me know. Thanks.




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Old Apr 5, 2023 | 05:37 PM
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Interesting, maybe Konigsteiger will chime in with details on which VINs are included? He often has the actual service bulletins with these kind of details
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Old Apr 6, 2023 | 12:36 PM
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I received mine in the mail yesterday with instructions to insert it into my owners manual
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Old Apr 6, 2023 | 06:45 PM
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Originally Posted by Prochambers
Greetings all,

I just received a letter in the mail pertaining to EXTENDED WARRANTY ADDENDUM pertaining to the EXHAUST VALVE ASSEMBLY. So, I was wondering if any of you may have received anything like this? Let me know. Thanks.




.
Thanks OP I wonder if this is addressing the squeaking and subsequently failing exhaust valve actuators?
https://mbworld.org/forums/c63-c63s-...-startups.html
https://mbworld.org/forums/glc63s-gl...ve-squeak.html
https://mbworld.org/forums/c63-c63s-...-shutdown.html
https://mbworld.org/forums/c63-c63s-...-coupe-12.html
https://mbworld.org/forums/c63-c63s-...ml#post8475917
https://mbworld.org/forums/coupe-roa...ml#post8506699
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Old Apr 6, 2023 | 06:52 PM
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I don't think it covers enough vehicles. I have a 2019 S560 with a bad right rear exhaust flap/actuator.
With no aftermarket extended warranty this would be out of warranty for me already. 56K miles currently. My repair date is the 24th and I hope the repair is covered.
Are they reimbursing those who payed for the repair already?
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Old Apr 6, 2023 | 06:59 PM
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Originally Posted by MBGuy2022
I don't think it covers enough vehicles. I have a 2019 S560 with a bad right rear exhaust flap/actuator.
With no aftermarket extended warranty this would be out of warranty for me already. 56K miles currently. My repair date is the 24th and I hope the repair is covered.
Are they reimbursing those who payed for the repair already?
That does make me curious I wonder if anything at all changed for the subsequent model years that they decided the later model years aren't affected despite the fact they are.
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Old Apr 6, 2023 | 07:50 PM
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Page 2 and 3 of the letter gives a little more detail. Now you know as much as we do.



Page 2

Page 3
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Old Apr 7, 2023 | 04:57 AM
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Originally Posted by Grandpa Bee
Page 2 and 3 of the letter gives a little more detail. Now you know as much as we do.



Page 2

Page 3
Can you re attach, as none of the pages are visible
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Old Apr 7, 2023 | 07:46 AM
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I see pages fine
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Old Apr 7, 2023 | 09:20 AM
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Received mine Wednesday.

Being skeptical, I when I saw the envelope my first thought was they are changing the coverage of the extended warranty I bought in November when I purchased my 20 GLS 450.
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Old Apr 7, 2023 | 09:51 AM
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Originally Posted by MBGuy2022
I don't think it covers enough vehicles. I have a 2019 S560 with a bad right rear exhaust flap/actuator.
With no aftermarket extended warranty this would be out of warranty for me already. 56K miles currently. My repair date is the 24th and I hope the repair is covered.
Are they reimbursing those who payed for the repair already?
I believe they are. I'm going to contact my service writer at the dealership.
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Old Apr 7, 2023 | 01:19 PM
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Anybody know what the "exhaust valve assembly" is exactly?
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Old Apr 7, 2023 | 08:46 PM
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My first thought was the exhaust valves in the cylinder head as I was under the impression that there were issues, but with all the discussion on an exhaust system component I don't know now.

Last edited by MBNUT1; Apr 7, 2023 at 08:49 PM.
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Old Apr 7, 2023 | 10:23 PM
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Seems this is for the engine exhaust valves in the cylinder heads. If the guides wear there could be a misfire and/or a Malfunction Indicator Lamp on in dash.
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Old Apr 12, 2023 | 03:36 PM
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Originally Posted by MBGuy2022
Seems this is for the engine exhaust valves in the cylinder heads. If the guides wear there could be a misfire and/or a Malfunction Indicator Lamp on in dash.
I had a misfire and CEL a while back but went away after replacing the spark plugs. However, the engine is consuming a lot of oil (1 qt / 500 miles) could the consumption be related to this?
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Old Apr 13, 2023 | 01:22 PM
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I got it early this week. Had to look up the VIN to find it covered the '12 S450 I sold to my son when I bought our '18 S560. It's good for him until September of this year, when the time period expires.
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Old Apr 13, 2023 | 02:39 PM
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Originally Posted by byroncheung
I had a misfire and CEL a while back but went away after replacing the spark plugs. However, the engine is consuming a lot of oil (1 qt / 500 miles) could the consumption be related to this?
If you have worn valve guides yes.
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Old Jun 4, 2023 | 05:32 PM
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I was curious if this applies to non-certified used cars bought from the dealer? I bought my 2016 E550 in March 2020 with 28K miles, I assume a lease return, and at the time didn't know you lose your warranty if bought from the dealer, unless it's "certified".
Why I can buy from Joe Blo and I get the warranty, but not from the dealer, I don't know.

I assume I get nadda, yet I just received an extension letter for a sub-frame corrosion issue that extends to 20 years/unlimited miles. I only care about this exhaust valve guide failure, which I have not received a letter for.
Since it's emissions related I was hoping, maybe, it's covered? I was unable to find anything via google.
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Old Jun 6, 2023 | 04:57 PM
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You are covered.
The letter states "This extension of the Mercedes-Benz New Vehicle Limited Warranty applies to these vehicles regardless of ownership."

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Old Jun 9, 2023 | 09:34 AM
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Thanks Simon Ray, I hope you're right!
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Old Jun 17, 2023 | 03:43 AM
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Originally Posted by MBNUT1
My first thought was the exhaust valves in the cylinder head as I was under the impression that there were issues, but with all the discussion on an exhaust system component I don't know now.
Where you guys able to confirm if this is related to the valves in the exhaust system or the engine block?
Does this have anything to do with the valve/flaps squeaking noise (near the exhaust) when the vehicle turns off?
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Old Jun 18, 2023 | 07:04 PM
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Ex valve guide in head, specifically cyls 1 and 5.
I dont have a valve in the ex pipe, but if I did, and it gave me trouble, I'd lock it open.
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Old Oct 2, 2023 | 01:34 PM
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Originally Posted by Prochambers
Greetings all,

I just received a letter in the mail pertaining to EXTENDED WARRANTY ADDENDUM pertaining to the EXHAUST VALVE ASSEMBLY. So, I was wondering if any of you may have received anything like this? Let me know. Thanks.




.
does it covers the crank case ventilation? in June I had to pay 2000 to fix my GLC 300 2018 from that issue that turned the engine light on
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Old Oct 3, 2023 | 04:18 AM
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Originally Posted by kevincampos7
does it covers the crank case ventilation? in June I had to pay 2000 to fix my GLC 300 2018 from that issue that turned the engine light on
Do you see GLC listed?

Covers V8 engine exhaust valve assembly.

so no not for you.
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Old Oct 3, 2023 | 06:58 AM
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Anyone might know if this extended warranty would cover my 2016 ( Model 2017) S500 in Australia ? or its just from US MB?
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