2013 E63 rpm jump/acceleration stall
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2007 E63
2013 E63 rpm jump/acceleration stall
Sorry if the title is confusing I don’t know exactly what word to use to describe it but when I put the car into reverse or drive and try to accelerate the car jerks back and forth for a second or two and the rpm bounces up and down then it drives. I want to say it feels like a clutch issue but at this point I’m not sure. I have no error codes in the engine/transmission/shifter or anywhere. It’s not a hot/cold thing as it happens always even if the car has been running. It happens in C/S/S+/M. I’ve browsed many forums and I’ve tried brand new spark plugs and I did a wet clutch adaption. No help. I took it to dealer but OF COURSE they can’t create the problem so they can’t see what it is. They looked for a software update for the tcu but there wasn’t one. Besides this the transmission shifts beautiful through all the gears up and down, just the take off is an issue. When I say take off I don’t mean I’m flooring it, easy gas pedal acceleration like a normal drive, if anything I would say it doesn’t happen on a floored take off. I really want to say it’s the wet torque but would my rpm jump if it was a transmission issue? Any help would be greatly appreciated
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
How long have you owned the MCT based vehicle?
If the Mct is new to you then likely it's working fine you just need to learn to feather the throttle like a manual trans clutch
a leak in the manifold can also do this ...
If the Mct is new to you then likely it's working fine you just need to learn to feather the throttle like a manual trans clutch
a leak in the manifold can also do this ...
Last edited by PeterUbers; Mar 16, 2022 at 01:36 AM.
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2007 E63
edit: to answer to the feathering the throttle, this happens if I put the car in drive and don’t press the gas at all too just let go of the brakes.
Last edited by KP916; Mar 16, 2022 at 02:02 AM.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
can you upload a video of the tachometer while it does this as you idle in drive? Your situation does not seem normal
have you sat with the tech during a test drive to have him explain why this is normal for your car? Often they change their tune when you go for a drive with the tech
Last edited by PeterUbers; Mar 16, 2022 at 01:12 PM.
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2007 E63
manifold leak won't necessarily throw a code
can you upload a video of the tachometer while it does this as you idle in drive? Your situation does not seem normal
have you sat with the tech during a test drive to have him explain why this is normal for your car? Often they change their tune when you go for a drive with the tech
can you upload a video of the tachometer while it does this as you idle in drive? Your situation does not seem normal
have you sat with the tech during a test drive to have him explain why this is normal for your car? Often they change their tune when you go for a drive with the tech
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
I tried to get a video last night actually but was unsuccessful I’ll try again today and no I didn’t get a chance to sit with the tech and I don’t want to take it back because they charge way too much for a visit only to not find anything. Going to do a smoke leak test today see if I can find any leakage in the intake system. Do you think if this was solely a transmission issue the rpm would bounce? Is rpm not read off the flywheel which would come from the engine only? Or am I wrong
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If it only does this before the car gets up to normal temperature, it's typical. You need to feather the throttle for the first 5 minutes or so of driving. Once it gets up to normal temp, it will go away. I believe it's because the car starts in 2nd gear unless in Sport + or M mode. I sometimes put it into M and start in 1st. Just don't get on it before getting up to temp.
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2007 E63
If it only does this before the car gets up to normal temperature, it's typical. You need to feather the throttle for the first 5 minutes or so of driving. Once it gets up to normal temp, it will go away. I believe it's because the car starts in 2nd gear unless in Sport + or M mode. I sometimes put it into M and start in 1st. Just don't get on it before getting up to temp.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
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2007 E63
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From: Canonsburg, PA
2022 A220 4Matic
I'm glad I read this thread. I'm two months into ownership of a 2014 E63, and was wondering if it was normal I wasn't TOO concerned, since I have an SLK55 with the 5 speed, and it downshifts into first hard until it warms up. Again, typical of that transmission.
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2007 E63
Here is a video, I will try to upload more I got a few videos on it today sorry for the shaking in the video it’s hard to hold the camera still when I’m being rocked back and forth in my seat because of it
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Thanks for the videos
what happens if you mildly brake torque/stall and launch ... still the hesitation?
i suspect this is a wet clutch engagement issue as the rest of your rpm's and shifts are good right? Under any throttle load?
what happens if you mildly brake torque/stall and launch ... still the hesitation?
i suspect this is a wet clutch engagement issue as the rest of your rpm's and shifts are good right? Under any throttle load?
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2007 E63
do you mean like a launch control type of thing? Any sort of launching or even regular take off but just pressing the gas pedal slightly stronger and there’s no hesitation, it only happens at a normal take off at low rpm’s like in the video. Besides this all 7 of my gears up shift and down shift work perfect and beautifully, it’s just this initial take off issue. I suspect a mct issue as well and I did try the adaptation which didn’t help. I do have an embarrassing confession and that is that I have not checked fluid yet. I plan on getting around to that this week but I don’t suspect fluid being an issue because there are no leaks underneath it’s very dry, so where would the fluid have gone? Unless someone before me did a flush and did the wrong amount? I will be checking fluid and I really hope it’s low so I know that’s the issue
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
do you mean like a launch control type of thing? Any sort of launching or even regular take off but just pressing the gas pedal slightly stronger and there’s no hesitation, it only happens at a normal take off at low rpm’s like in the video. Besides this all 7 of my gears up shift and down shift work perfect and beautifully, it’s just this initial take off issue. I suspect a mct issue as well and I did try the adaptation which didn’t help. I do have an embarrassing confession and that is that I have not checked fluid yet. I plan on getting around to that this week but I don’t suspect fluid being an issue because there are no leaks underneath it’s very dry, so where would the fluid have gone? Unless someone before me did a flush and did the wrong amount? I will be checking fluid and I really hope it’s low so I know that’s the issue
but did you do a tech Mct adaptation .. that takes several hours, thanks to @sunil517 for this
https://mbworld.org/forums/w212-amg/...r-service.html
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2007 E63
not launch control .. just mash the brake and bring rpm's up and then let go of brake
but did you do a tech Mct adaptation .. that takes several hours, thanks to @sunil517 for this
https://mbworld.org/forums/w212-amg/...r-service.html
but did you do a tech Mct adaptation .. that takes several hours, thanks to @sunil517 for this
https://mbworld.org/forums/w212-amg/...r-service.html
I wouldn’t say hours I did it myself with a autel elite scanner took maybe 20 minutes? It definitely did something as I heard the transmission making growling noises and my gear selector was blinking.
I guess I can try another adaptation but at the dealer but I’d be more comfortable checking the fluid first before I go dump money over there
also I just read that entire thread and a lot of people are saying the mb techs have issues with the older mct (like my 2013) adaption vs the newer 2015/2016 so I’m guessing what I’m having is somewhat normal?
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
I wouldn’t say hours I did it myself with a autel elite scanner took maybe 20 minutes? It definitely did something as I heard the transmission making growling noises and my gear selector was blinking.
I guess I can try another adaptation but at the dealer but I’d be more comfortable checking the fluid first before I go dump money over there
also I just read that entire thread and a lot of people are saying the mb techs have issues with the older mct (like my 2013) adaption vs the newer 2015/2016 so I’m guessing what I’m having is somewhat normal?
I guess I can try another adaptation but at the dealer but I’d be more comfortable checking the fluid first before I go dump money over there
also I just read that entire thread and a lot of people are saying the mb techs have issues with the older mct (like my 2013) adaption vs the newer 2015/2016 so I’m guessing what I’m having is somewhat normal?
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2007 E63
Out Of Control!!
Joined: Jun 2004
Posts: 13,799
Likes: 3,228
2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
One thing you could try is a sprint booster set to green...
It'll amplify even subtle throttle input to hopefully bypass that hesitant take off
https://mbworld.org/forums/w212-amg/...ct-e63s-4.html
https://www.sprintboostersales.com/?...UaArUQEALw_wcB
It'll amplify even subtle throttle input to hopefully bypass that hesitant take off
https://mbworld.org/forums/w212-amg/...ct-e63s-4.html
https://www.sprintboostersales.com/?...UaArUQEALw_wcB
Thread Starter
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2007 E63
One thing you could try is a sprint booster set to green...
It'll amplify even subtle throttle input to hopefully bypass that hesitant take off
https://mbworld.org/forums/w212-amg/...ct-e63s-4.html
https://www.sprintboostersales.com/?...UaArUQEALw_wcB
It'll amplify even subtle throttle input to hopefully bypass that hesitant take off
https://mbworld.org/forums/w212-amg/...ct-e63s-4.html
https://www.sprintboostersales.com/?...UaArUQEALw_wcB
i appreciate your feedback Peter you’ve been a rockstar for me, but I’m just going to accept this fact I’ve already taught my foot how to take off quicker but not look like an a**hole trying to race everyone so I’ll just keep doing this till maybe I find a newer model and work a sell/buy or trade situation. Thanks for all your efforts. If I ever do get bored and dig around and find a solution I’ll come post it here in case anyone ever finds this thread with same issue
Out Of Control!!
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
i appreciate your feedback Peter you’ve been a rockstar for me, but I’m just going to accept this fact I’ve already taught my foot how to take off quicker but not look like an a**hole trying to race everyone so I’ll just keep doing this till maybe I find a newer model and work a sell/buy or trade situation. Thanks for all your efforts. If I ever do get bored and dig around and find a solution I’ll come post it here in case anyone ever finds this thread with same issue
good luck and enjoy this amazing car!
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2014 E63s 1993 mazda rx7 on Boost
I experienced first hand
If you are covered take it to the dealer show them my paper work and ask to have those steps to be carried out. Its been some time and no issues. I just did my trans fluid and the pan and filter was very clean my second change at 60k.
I am not sure about battery disconnect on the w212 I think that worked on the W211 63s. A Sprint Booster will work as Peter stated but its not fixing the issue it is covering it up.
I am not sure about battery disconnect on the w212 I think that worked on the W211 63s. A Sprint Booster will work as Peter stated but its not fixing the issue it is covering it up.
