C63 AMG (W204) 2008 - 2015

Why my car feels sometimes slower, and sometimes faster?

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Old 03-05-2010, 07:57 PM
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Why my car feels sometimes slower, and sometimes faster?

Technical reasons?

I'm talking strictly butt-dyno here. Sometimes my C63 feels not so responsive, like it's taking its time, othertimes it feels more responsive, like a rocket. It can change in the same day.

Does it just have to do with atmospheric conditions that aren't apparent to me? Or operating temps? The engine/tranny computers in these things fiddling around as I'm driving?

I've experienced this with pretty much all my cars as far back as I can remember. And even this new AMG. Maybe it's just a placebo type thing.

Someone enlighten me!

Last edited by Questions; 03-05-2010 at 08:22 PM.
Old 03-05-2010, 08:27 PM
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2007 SRT8 Charger, 09' C63
Ya, I know what you mean, I feels like that for me to sometimes. I think it has to do with weather, car being hot/cold, type of gas, tire pressure, etc. The first 10 mins of driving after you start ur car feel the best, the engine's still cold, but once it warms it gets a little slower(common sense)
Old 03-06-2010, 11:06 AM
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When in manual mode be sure to give it a few brisk pedal openings.

That way the ECU knows that you want to play. The pedal reponse will become sharper.

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