C63 AMG (W204) 2008 - 2015
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Down shift from 2nd to 1st

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Old Sep 22, 2014 | 08:26 AM
  #1  
VaclavSV's Avatar
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2012 C63 AMG Black Series
Down shift from 2nd to 1st

Maybe its just a function of the BS but *sometimes* (20% of the time) when I down shift from 2nd to 1st It feels as though the gear slips and the car accelerates without any throttle being applied.

Anyone have this happen?
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Old Sep 22, 2014 | 08:32 AM
  #2  
Bardman's Avatar
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C63 AMG 507 Edition
Is this your first MCT? I get a similar "lurch" occasionally going from 2nd to 1st. It almost feels like the clutch is being re-engaged too quickly (like when you were first learning to drive a manual). I get the impression this is just the MCT being not that great.
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Old Sep 22, 2014 | 12:36 PM
  #3  
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2013 C63 coupe P31
I constantly downshift to 1st on my MCT and I never had that. Does it actually push you forward or could it be just an impression because there is no more engine braking for a split second?
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Old Sep 22, 2014 | 02:14 PM
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Realistically no need to downshift to 1st, car will downshift itself when slowing down or coming to a stop.
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Old Sep 22, 2014 | 02:20 PM
  #5  
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'20 GLC300 SUV
Originally Posted by LakeShow23
Realistically no need to downshift to 1st, car will downshift itself when slowing down or coming to a stop.
+1

When in M mode with my MCT, that is the one downshift I oftentimes allow the car to do itself.
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Old Sep 22, 2014 | 03:06 PM
  #6  
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2012 C63 AMG Black Series
I had MCT on my 2012 P31 Sedan. - The car does speed up/pushed forward when this happens.

This never happened with my P31 Sedan. The car held the whole time.
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Old Sep 22, 2014 | 03:54 PM
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C63 BS, GLA45
It all depends how hard you're braking. The harder you brake, the harder it lurches if I remember right.
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Old Sep 22, 2014 | 06:27 PM
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Originally Posted by LakeShow23
Realistically no need to downshift to 1st, car will downshift itself when slowing down or coming to a stop.
Just for the sound it's very well worth it
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Old Sep 22, 2014 | 09:17 PM
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C63 AMG
This happens to me as well from second to 1st gear.. It just jerks a little
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Old Sep 22, 2014 | 11:10 PM
  #10  
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this is why I don't downshift from 2nd to 1st. Yes, I like the blips but it's just too damn jarring.
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Old Sep 23, 2014 | 04:15 AM
  #11  
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2009 C63
Absolutely pointless to downshift to 1st.

Considering the amount of driveline lash this usually produces, it's just not worth the risk.
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Old Sep 23, 2014 | 10:16 PM
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worth the risk? lol. this car is not fragile. And what ya'll are describing it totally normal. probably a limitation of software/programming with the mct.
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