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How to smooth out Jerky downshifts in Auto/Drive Mode

Old Jul 6, 2018 | 08:42 PM
  #1  
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How to smooth out Jerky downshifts in Auto/Drive Mode

Hey guys, anybody know how to smooth out jerky & abrupt downshifts in Auto/Drive mode.
I only get it when it downshifts from 4th to 3rd no other gears, all the rest are very smooth.
I've tried different tactics to make it re learn, but it seems to always default back to that hard brake like downshift between 4th & 3rd.

It also seems to do it more frequently at lower RPM's. Not so much when your driving it hard.
I have tried using the paddle at various RPM's for that downshift in Auto mode, but nothing seems to work!



Thanks in advance, suggestions appreciated.
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Old Jul 6, 2018 | 09:19 PM
  #2  
C63SVERT's Avatar
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From: Fort Lauderdale FL
2018 AMG GTC Roadster. 2013 SL65 2018 GLC63
Originally Posted by kimiFan
Hey guys, anybody know how to smooth out jerky & abrupt downshifts in Auto/Drive mode.
I only get it when it downshifts from 4th to 3rd no other gears, all the rest are very smooth.
I've tried different tactics to make it re learn, but it seems to always default back to that hard brake like downshift between 4th & 3rd.

It also seems to do it more frequently at lower RPM's. Not so much when your driving it hard.
I have tried using the paddle at various RPM's for that downshift in Auto mode, but nothing seems to work!



Thanks in advance, suggestions appreciated.
what year is the car? have you had any of the ECu/TCU updates done? how many miles on it?
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Old Jul 6, 2018 | 09:30 PM
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It's a 2018 C63S Coupe 3000 Km 1800 miles. no updates.
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Old Jul 7, 2018 | 12:45 AM
  #4  
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From: Fort Lauderdale FL
2018 AMG GTC Roadster. 2013 SL65 2018 GLC63
Originally Posted by kimiFan
It's a 2018 C63S Coupe 3000 Km 1800 miles. no updates.
oh ok then it’s up to date. Have you ever had a car with a dual clutch gear box? I had a similar sensation when I bought my 2016 AMG GTS but I’ve noticed that my C63S feels the same. But it wouldn’t hurt to take it for service to your dealer to have them look it over!
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Old Jul 7, 2018 | 07:06 PM
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Copy that. Thanks.
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