W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Jerky Tranny

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Old Nov 10, 2014 | 01:12 PM
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Exclamation Jerky Tranny

Recently I did a muffler delete on my car. Sounds like a monster. Now because of this, I have jerky movements when I gas it on manual. Can this ever be a cause of a muffler delete...? When I put it on 1st or 2nd gear and I gas it, it moves forwards and backwards a few times then pulls. This all happened after the muffler delete.
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Old Nov 10, 2014 | 01:27 PM
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E63
Loss of back pressure crowd in 3......2......1...............
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Old Nov 10, 2014 | 01:32 PM
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Please elaborate on this bro. Sounds almost what I was thinking.
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Old Nov 10, 2014 | 01:55 PM
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There is no real loss of back pressure. If it was substantial enough to cause the car to misbehave, you would gain or lose torque.
What i believe is happening is sound adaptation via right appendage. When you push the pedal and hear the sound increase, sound that you are not used to hearing unless the pedal is pushed even more. You instinctively back off the pedal and car falls on its face, then you rinse and repeat.
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Old Nov 10, 2014 | 02:20 PM
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The supercharger has a clutch on it and engages ........and sometimes that's a little jerky....
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Old Nov 10, 2014 | 02:36 PM
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Originally Posted by kponti
There is no real loss of back pressure. If it was substantial enough to cause the car to misbehave, you would gain or lose torque.
What i believe is happening is sound adaptation via right appendage. When you push the pedal and hear the sound increase, sound that you are not used to hearing unless the pedal is pushed even more. You instinctively back off the pedal and car falls on its face, then you rinse and repeat.
I will test out your hypothesis today. Sounds reasonable but not 100% sure on this one.
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Old Nov 10, 2014 | 03:52 PM
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CLS63, S55
Originally Posted by kponti
There is no real loss of back pressure. If it was substantial enough to cause the car to misbehave, you would gain or lose torque.
What i believe is happening is sound adaptation via right appendage. When you push the pedal and hear the sound increase, sound that you are not used to hearing unless the pedal is pushed even more. You instinctively back off the pedal and car falls on its face, then you rinse and repeat.


guilty of that when I first modified my exhaust. Though it could also be the transmission mount
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Old Nov 10, 2014 | 03:57 PM
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Originally Posted by kponti
Loss of back pressure crowd in 3......2......1...............


We need to get badges here on MBWORLD. I think the 'shade tree' mechanic would do great!
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Old Nov 10, 2014 | 04:01 PM
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Try the gas pedal reset..
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Old Nov 10, 2014 | 04:31 PM
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Originally Posted by Toadster
Try the gas pedal reset..
Link or doc on how to do this?
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Old Nov 10, 2014 | 04:46 PM
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Originally Posted by Vanquish59
Link or doc on how to do this?
https://mbworld.org/forums/w211-amg/...set-works.html
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Old Nov 11, 2014 | 11:08 AM
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Originally Posted by Vanquish59
Recently I did a muffler delete on my car. Sounds like a monster. Now because of this, I have jerky movements when I gas it on manual. Can this ever be a cause of a muffler delete...? When I put it on 1st or 2nd gear and I gas it, it moves forwards and backwards a few times then pulls. This all happened after the muffler delete.
My car (100% stock) does that whenever it's cold outside. In fact, just today I experienced it for the first time this winter. It seems like whenever the temp is below about 50 degrees that the car is a little "jerky" until things get warmed up.
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Old Nov 11, 2014 | 11:09 AM
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Originally Posted by JoeJErnst
My car (100% stock) does that whenever it's cold outside. In fact, just today I experienced it for the first time this winter. It seems like whenever the temp is below about 50 degrees that the car is a little "jerky" until things get warmed up.
common issue with the 722.6xx in cold conditions.
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