C63/C63S AMG
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Weird Limp Mode Experience

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Old Jun 2, 2020 | 01:59 PM
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C63 AMG
Weird Limp Mode Experience

So I was driving in a parking lot and I switched it from Comfort to Sport Plus. Once I did that, the car shut off and all the lights came on in the dash. I panicked and restarted the car and it ran fine. I want to add that my car was not in proper driving condition (Oil temps were still blue), but this isn't the first time I switched it from Comfort to Sport Plus while it was still cold. The car is still fine, but I don't think it should of went into limp mode because I wasn't even driving more than 5-10 mph. Has this happened to anyone here?
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Old Jun 2, 2020 | 02:53 PM
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2019 c63s coupe, 2008 s63 sedan, 2007 335i coupe
I would take it to the dealer.. I never had that issue.. What year is your car? mileage? sedan, coupe, cab?
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Old Jun 2, 2020 | 02:55 PM
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No more MB:(
Take it to the dealer.
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Old Jun 2, 2020 | 03:00 PM
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Final Edition C63s / RS3 Sportback
Dealer asap
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Old Jun 2, 2020 | 03:13 PM
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I started the car up right after and it ran normal after. The car has barely 30k miles and its a 2017 coupe. I'd take it to the dealer by Keyes Van Nuys and Beverly Hills Mercedes is closed. I'm going to drive it around today and see it happens again. I want to add that when the car showed all the lights going off(not just the check engine, but literally every light), I couldn't drive it at all. The engine was shut off, it was like my car was in neutral but all the lights were flashing. I heard you can still drive on limp mode, but this wasn't the case.

Last edited by TeraPatrick; Jun 2, 2020 at 03:21 PM.
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Old Jun 2, 2020 | 03:36 PM
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No more MB:(
You're asking for trouble. I'd wait and take it in.
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Old Jun 2, 2020 | 03:43 PM
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Originally Posted by places
You're asking for trouble. I'd wait and take it in.
I asked around in my AMG group on IG and they said that I stalled it. This sounds a lot more clear to me than a simple battery running out. I found a thread where this guy had the same situation happen to him.

https://mbworld.org/forums/c-class-w...tself-off.html
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Old Jun 2, 2020 | 04:55 PM
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Take it to local auto parts store and have them scan it for codes. You can look up the codes and get an idea of what could have been the cause, until you find a dealer that can take a closer look.
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Old Jun 2, 2020 | 06:46 PM
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Sounds more like a stall than a limp mode. Automatic cars shouldn’t stall so that’s a different issue.

Only time I ever had an automatic car stall on me was when there was a transmission issue.
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Old Jun 3, 2020 | 12:17 PM
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C63 AMG
Update:

I talked to my mechanic today and he said it was the crank shaft sensor. Thank goodness it's not expensive to replace.
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Old Jun 3, 2020 | 12:23 PM
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Originally Posted by TeraPatrick
Update:

I talked to my mechanic today and he said it was the crank shaft sensor. Thank goodness it's not expensive to replace.
Good news.
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