E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

PRE-SAFE inoperative + other + Comand will turn off

Old Jul 17, 2018 | 05:52 PM
  #1  
jimo's Avatar
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GLE 350d Designo 2016, E350 2011 A207 Cabriolet
PRE-SAFE inoperative + other + Comand will turn off

Hi Guys
Randomly, I do have this message where Pre-safe ....
it often come with another problem, i saw ; Cruise control don't work, adaptative light turned off, and each time, the radio will turn off !
After a couple of minutes.... the comand radio ( 4.5) turn on again and all seems to be ok !
no other light, no check engine... Steering work perfect, brake too .. etc .. .! :/
I headed that some connector should be cleaned... but, never saw another one with the radio you close .. :/

Any idea ?


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Old Jul 18, 2018 | 12:09 PM
  #2  
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From: Orlando, FL
2016 E400 Coupe (C207)
I'm sorry I don't speak French, but the following content from the U.S. owner's manual is based on Google translations of your screen shots.

PRE-SAFE ne fonctionne pas cf. notice d'uilisation ("Pre-Safe does not work see operating instructions")



There are numerous threads devoted to this topic, although none seem to agree on the cause:
https://mbworld.org/forums/w213-amg/...ge-screen.html
https://mbworld.org/forums/e-class-w...rs-manual.html
https://mbworld.org/forums/e-class-w...lp-needed.html
https://mbworld.org/forums/e-class-w...operative.html
https://mbworld.org/forums/c63-c63s-...operative.html


Assistant adapt. feux route ne fonctionne pas ("adapted Wizard. road lights not working")



This issue is discussed in the following thread and seems to be a bit more conclusive than for the one above:
https://mbworld.org/forums/c-class-w...operative.html

Good luck!

Last edited by Mr. Toad; Jul 18, 2018 at 12:36 PM.
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Old Jul 18, 2018 | 02:45 PM
  #3  
jimo's Avatar
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GLE 350d Designo 2016, E350 2011 A207 Cabriolet
Thanks !
I'll have a look .. Whats weird and different in my case, is that the Comand Close in the same time, and impossible to open it by myself... it pop up few minutes later ..
And the fact that its happened every couple of days, afraid me that even the dealer will look for the problem for a long time ! :/
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Old Feb 3, 2019 | 10:31 PM
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C400
Originally Posted by jimo
Thanks !
I'll have a look .. Whats weird and different in my case, is that the Comand Close in the same time, and impossible to open it by myself... it pop up few minutes later ..
And the fact that its happened every couple of days, afraid me that even the dealer will look for the problem for a long time ! :/
I drive a 2015 c400 and my car does this exact thing! The pre safe message, inoperative cruise and command center shutting down all at once. Does it randomly on amd off! Started a couple days ago and it is driving me insane!
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Old Feb 4, 2019 | 11:25 AM
  #5  
jimo's Avatar
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GLE 350d Designo 2016, E350 2011 A207 Cabriolet
Originally Posted by Josh Brock
I drive a 2015 c400 and my car does this exact thing! The pre safe message, inoperative cruise and command center shutting down all at once. Does it randomly on amd off! Started a couple days ago and it is driving me insane!
I solve this problem by changing the language of the system ! From French to English ! And it did not happened again ! Next spring I'll try the inverse to see if it came back !
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Old Nov 23, 2022 | 04:39 PM
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W212 2011 E63
Apologies of bumping this thread but I'm also having this issue. It was fairly infrequent, but since changing the battery its happening more frequently. Someone in another thread suggested changing a negative battery terminal cable. I'm wondering if that could be the culprit.
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