GLC63s, GLC63, GLC43 AMG SUV and Coupe (X253, C253) 2015 - Present

Auto Start/Stop Failure

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Old Apr 7, 2021 | 07:53 PM
  #1  
Jons550's Avatar
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Joined: Dec 2010
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From: New Mexico
2019 E63s
Auto Start/Stop Failure

I took delivery of my 2021 GLC63 SUV a little over two months ago and several times the vehicle did not restart after the auto stop engaged. I have seen postings in other forums about this as well. When I took it to my dealer they said that this issue has been going on for the past 4 model years across many of their models. For GLEs and cars with the 48 volt system they sometimes have to remove the engine and transmission to fix the starter/48 v power assist. The GLC 63 does not have this 'feature'. It has been in the shop for a week. Apparently they have to take lots of data, send it to Germany and wait for information. Today I found out that they are doing more tests. They have found the car failed 5 times. It is bad enough that this should happen on this car, but to hear that they have not been able to fix this problem for 4 model years is pretty discouraging. Has anyone else had this problem with their GLC 63?

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Old Apr 7, 2021 | 11:51 PM
  #2  
iceclimber's Avatar
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From: San Francisco, CA
2021 GLC 63 AMG
Wow, sorry to hear about this. My order is being built right now and this is certainly concerning to read it’s such a pervasive problem 😬
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Old Apr 8, 2021 | 06:22 AM
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Gazwould's Avatar
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S204 C250 CDI Sport
Except it isn't a problem .
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