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2020 E63s W213 Engine Won't Start

Old 07-14-2020 | 09:09 PM
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2020 E63s W213 Engine Won't Start

I just got finished washing my car, as I often do, and afterwards the engine won't start. I can lock/unlock the doors with the key, turn on the electronic systems, connect with the car with the connect app and everything but when I press the starter the engine just doesn't start. I've tried remote starting it with the app and that doesn't work either. The car has thrown two separate errors:
  1. "Apply parking break, vehicle may roll away" (but the parking break WAS applied)
  2. "Transmission overheated. Pull over immediately and leave engine running" (The engine was not running and the transmission was at 167F which is not overheated)
I'm hoping the computer is just glitching out. Has any one had a similar experience? How should I troubleshoot this?

Thanks!
Old 07-14-2020 | 09:44 PM
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Did you hit the engine bay with the hose by any chance? If so put a big fan on it and let it sit over night to dry things out. Had that happen to me a couple times, but they were older cars with lot less weather proofing on the electrical connectors. If it drove to where you parked it to wash it, then something must have gotten wet preventing it from starting for some reason. I bet it just needs to dry out overnight.
Old 07-14-2020 | 10:16 PM
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Originally Posted by WIKDWGN
Did you hit the engine bay with the hose by any chance? If so put a big fan on it and let it sit over night to dry things out. Had that happen to me a couple times, but they were older cars with lot less weather proofing on the electrical connectors. If it drove to where you parked it to wash it, then something must have gotten wet preventing it from starting for some reason. I bet it just needs to dry out overnight.
Great advice! I just waited about an hour, tried it again, and it started right up!

Thanks for the advice!
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Old 10-19-2021 | 06:26 PM
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Same problem

I have the same problem happen twice already but without getting a car wash just going to the store and then going back into the car and the car not starting. Same 2 errors
Old 10-20-2021 | 06:55 AM
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Originally Posted by bstumber
I have the same problem happen twice already but without getting a car wash just going to the store and then going back into the car and the car not starting. Same 2 errors
Had the same problem recently. Took it in and dealership did a big software reset to fix it - no issues since.
Old 10-20-2021 | 10:54 AM
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Originally Posted by NewYorker555
Great advice! I just waited about an hour, tried it again, and it started right up!

Thanks for the advice!
Glad you are back to normal. Can you let us know if you did wash your engine bay before the problems started?
Old 10-20-2021 | 04:06 PM
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Originally Posted by bioterp
Had the same problem recently. Took it in and dealership did a big software reset to fix it - no issues since.
Actually I had the same error about 2 weeks ago and car started back on about 30 minutes later. Getting the battery and terminals checked out to see if there was any hardware issue...
Old 10-21-2021 | 08:16 AM
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Originally Posted by corn26
Actually I had the same error about 2 weeks ago and car started back on about 30 minutes later. Getting the battery and terminals checked out to see if there was any hardware issue...
I was worried it was hardware issue considering I couldnt even get the radiator fan to turn on when it was supposedly overheating. Had to sit for 30 min with the hood open to let everything cool down. Took it in the next day and it was immediately clear it was a software issue. Service guy showed me some of the diagnostic outputs and it was wild to see how many faults there were across all systems (temp sensors, trans, engine, ESC, and more).
Old 10-13-2023 | 08:19 AM
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Originally Posted by bioterp
I was worried it was hardware issue considering I couldnt even get the radiator fan to turn on when it was supposedly overheating. Had to sit for 30 min with the hood open to let everything cool down. Took it in the next day and it was immediately clear it was a software issue. Service guy showed me some of the diagnostic outputs and it was wild to see how many faults there were across all systems (temp sensors, trans, engine, ESC, and more).
I have a 2018 e63 wagon, that once or twice a month after sitting overnight won’t crank. No errors or CEL, key is recognized, car just doesn’t crank

any insight?
Old 10-13-2023 | 09:43 AM
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dead battery ? When was the battery last replaced ?
Old 10-13-2023 | 09:49 AM
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Originally Posted by bobblehead
dead battery ? When was the battery last replaced ?
battery is fine, so UPDATE, this gets weirder, when this happens if I open the drivers door it fires right up

found that solution on Pistonheads, looks like the starting procedure gets out of step, so when I get into the car dash says "don't forget your key" (car thinks im exiting), but crack the door and it thinks im getting in and fires right up

definitely a quirk, and not sure how/why my car is out of sequence. In the meantime, least I have a solution to get it to the dealer.

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Old 10-13-2023 | 10:08 AM
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Good find on a work around!
Old 10-13-2023 | 10:22 AM
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wow. That's really weird.
Old 11-01-2023 | 10:58 AM
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Problem came back, and had to unlock, lock, sequence multiple times. Car door open, second time around car fired up.

Anyone have this problem? Very worried its going to strand me
Old 11-01-2023 | 02:31 PM
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Originally Posted by maxswede
Problem came back, and had to unlock, lock, sequence multiple times. Car door open, second time around car fired up.

Anyone have this problem? Very worried its going to strand me
make sure the FOB is not in an "OFF" state (ie double pressing the lock button and the red light stay lights for about 2 seconds). To turn it on, just press the unlock key.

Does it do the same thing if you put the FOB in the area in front of the USB drive (FL) or cigarette lighter (pre-FL) in the front compartment?

Last edited by figuwx; 11-01-2023 at 02:45 PM.
Old 11-01-2023 | 03:05 PM
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Yeah FOB is "ON" and does the same thing if I put the key in its slot by the cup holder (I have a 2018, pre-FL wagon)

I took a video if it could help us troubleshoot
Old 11-01-2023 | 03:30 PM
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here's a link to a video of the car doing it in case youre curious or want to help troubleshoot:
Old 11-01-2023 | 04:54 PM
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Now i’ve seen this on your video (knowing what you are talking about), mine did the same thing every so often for many years. I just lived with it.

my way is to put the fob key in the tray and/or open & closing the door. Just annoying, i know.

Last edited by bobblehead; 11-01-2023 at 04:57 PM.
Old 11-01-2023 | 05:12 PM
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Press down on the brake pedal more, and hold it there for a second before pushing start?
Old 11-01-2023 | 06:13 PM
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Originally Posted by taphil
Press down on the brake pedal more, and hold it there for a second before pushing start?
no. It won’t work (at least for me). It was like if the fob key is not communicating with the computer.
Old 11-02-2023 | 09:23 AM
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Originally Posted by bobblehead
Now i’ve seen this on your video (knowing what you are talking about), mine did the same thing every so often for many years. I just lived with it.

my way is to put the fob key in the tray and/or open & closing the door. Just annoying, i know.
wow, ok. Did it ever strand you? I can deal with the quirk, just want to be sure it isn't the sign of a problem that will get worse

and yours a 2018 as well?

cheers
Old 11-02-2023 | 10:20 AM
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Originally Posted by maxswede
wow, ok. Did it ever strand you? I can deal with the quirk, just want to be sure it isn't the sign of a problem that will get worse

and yours a 2018 as well?

cheers
Never stranded. Car will start only doing the mentioned ways (open/close door, holding the fob right at the stop/start button and putting fob key on the tray) to get the fob key to be recognized.

Mine is 2018. I would say it does this at least few times a week and I have gotten used to it. If I bring it in to dealer, they will charge me and yet they will say they cannot replicate the symptom. $200 to their pocket and I get a free cup of coffee. lol.
Old 11-02-2023 | 10:50 AM
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by chance have you replaced the battery in the FOB? technically the car should warn you when the battery is low but i have seen that it does not.
Old 11-02-2023 | 11:28 AM
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Originally Posted by figuwx
by chance have you replaced the battery in the FOB? technically the car should warn you when the battery is low but i have seen that it does not.
Yes. At the early going, I always thought it was a weak fob battery. I replaced it soon after and yet this issue keeps on happening.
Old 11-08-2023 | 02:41 PM
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I'm pretty sure I've had the same issue you've experienced before. It's definitely the car getting confused because it thinks the engine is already on. It happens to me every couple of months. I think it has something to do with the remote start system - because whenever this happens, as soon as 10 minutes pass, I can start it up, and coincidentally remote start will automatically shut-off after 10min.

For me, putting the key in the slot by the cup-holders doesn't help, but the door trick has been working. It's a really strange quirk and it sucks because in the back of your mind, you never know when you might get stranded somewhere

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