C218 CLS63, 2011 - 2019

Drive modes. E, S , M

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Old Feb 4, 2021 | 05:37 PM
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Ethric Kadey's Avatar
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cls 550
Drive modes. E, S , M

Hi everyone. So I just figured out I have a w218 so I believe I am in the right place. 2012 cls 550.

recently bought this car. Had a hole in my x pipe but at this point when it was in M mode I was in control of the shifting and it wouldn’t automatically shift until it got to a certain rpm.

I had the section of my exhaust replaced. Didn’t go back to the x pipe design I believe but I’ll look into that again and get my exact configuration.

now when it is in M mode it shifts automatically before I want it too. It’s like it’s in the same timing as S mode.

I watched a YouTube video on how to reset the transmission back to factory settings and have tried that since but still shifts automatically in M mode.

can anyone explain this or help steer me in a direction. I think it might have something to do with when I changed my exhaust config, but let’s see what youse have to say.

thanks

ethric
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Old Feb 5, 2021 | 01:37 PM
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How did you changed your exhaust config?
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Old Feb 5, 2021 | 01:41 PM
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Originally Posted by Robert AMG
How did you changed your exhaust config?

there was a massive corroded hole in original section of x pipe, they cut that out and custom’d that one section. If I remember correctly they switched it to y pipe maybe. My car is in shop getting the air ride fixed smh. Once I have it back I’ll get under and snap a picture. Basically I don’t have the x pipe anymore and the vacuum dump? Or something that related to the x pipe was seized so they didn’t put it back on.

This however was only temporary for me. I plan to go back in the spring and go back to the x pipe design with a fresh set of pipes. My dealer f**Jed me hard and left me a couple problems to fix that I somehow didn’t realize when purchasing. Blonder by her beauty.

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Old Feb 5, 2021 | 02:53 PM
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so nothing related to engine/tcu software/coding (M mode shifting).
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Old Feb 5, 2021 | 04:21 PM
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Originally Posted by Robert AMG
so nothing related to engine/tcu software/coding (M mode shifting).

that’s correct.
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