C63 AMG (W204) 2008 - 2015
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Unusual downshift in auto-sport mode

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Old Mar 21, 2012 | 11:45 AM
  #1  
PatSC23's Avatar
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2009 C63
Unusual downshift in auto-sport mode

Ive noticed recently in the garage as im leaving (car isnt fully warmed yet) that the car will shift abruptly from 2nd to first gear. Its almost like a slight jerking - its just not smooth. I saw a post about this in manual mode but has anyone else dealt with this in auto-sport mode?
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Old Mar 21, 2012 | 12:25 PM
  #2  
VaclavSV's Avatar
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2012 C63 AMG Black Series
Originally Posted by PatSC23
Ive noticed recently in the garage as im leaving (car isnt fully warmed yet) that the car will shift abruptly from 2nd to first gear. Its almost like a slight jerking - its just not smooth. I saw a post about this in manual mode but has anyone else dealt with this in auto-sport mode?
My 2012 does this when I move from C to S+ when stopped.
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Old Mar 21, 2012 | 01:12 PM
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C300, C63 AMG Coupe, Fx 35
ive noticed the same but after my 2012 warms up it seems to go away = / maybe it just needs to warm up?
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Old Mar 21, 2012 | 01:17 PM
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C63
same on my 2011
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Old Mar 22, 2012 | 12:23 AM
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2009 C63
what do you expect when the engine, tranny, and diff fluid are cold....smooth as butter?
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Old Mar 22, 2012 | 12:33 AM
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2012 C63 2015 C300 sport
i find that driving at low speeds in anything other than c mode is jerky. this is why i wish the c63 was offered in a 6mt (really not a fan of any "performance" auto)

I always drive on an open road in s...but as soon as i hit traffic or go into a slow area...i change it immediately to c because otherwise it jerks
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Old Mar 22, 2012 | 01:00 AM
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2012 C63
Yep, S/S+ when the car is cold is jerky for me too. After warming up it goes away.
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Old Mar 23, 2012 | 08:07 PM
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andrew c230k's Avatar
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From: Ontario, Canada
W204 C63 R171
I just got my car back from the dealer today I explained to them the same issue your having I have to bring the car back in a week for them to reset the transmission I have to drop the car there over night so its right cold in the morning they will

Reprogram the "cold shifting adaptation"

I have driven other performance cars and you get a hard shift on like a racing clutch when you shift up but not down...

My car is a 2008 fyi
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Old Mar 28, 2012 | 01:02 PM
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Got my 3rd (Service A) oil change last week and it's stopped doing this since
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Old Mar 28, 2012 | 02:19 PM
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My tranny is very jerky in the cold...smooth as silk when warm, though.
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