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      11-10-2012, 06:36 PM   #1
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DCT Is Amazing! Anyone Else Try This?

I was on the highway cruising at 80 mph with cruise control on in D1, economy engine dynamic, 7th gear. I started playing with the throttle to see what kind of response I would get from the car, and what I learned blew me away. The DCT is so impressive!

In the above scenario, if you pump the throttle 50% of the way and release, the DCT downshifts to 5th gear (so smooth) while maintaining the constant speed of 80 mph. That's fine and expected, not what I'm writing about. What blew me away was the fact that the car maintained 5th gear at the higher RPM for what seemed like a good 3 - 4 seconds before gradually shifting back up to 7th, with no additional input from me on the throttle! The DCT interpreted my 50% throttle pump almost like I jolted the beast awake getting it ready for action and when it saw that there really was no action to be had, it went back to sleep. But, it waited a good 3 - 4 seconds to make sure I really wasn't getting ready to do something crazy before upshifting. Sublime.

I tried it again with a 75% throttle pump and guess what... DCT downshifted to 4th gear. Maintained it for a similar 3 - 4 seconds prior to gradually upshifting to 7th.

I absolutely love this car. Oh, and I finally had my 1200 mile service. Full throttle is literally quite frightening the first time you do it.
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      11-10-2012, 07:21 PM   #2
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also try this:

while cruising at a speed of 60mph (any speed works) with S7, floor the throttle and downshift the gear just once. dct will downshift to the most efficient gear (in this scenario it will downshift to 3rd gear) and after that just feel the torque and enjoy the acceleration
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      11-10-2012, 07:49 PM   #3
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Quote:
Originally Posted by koxal View Post
also try this:

while cruising at a speed of 60mph (any speed works) with S7, floor the throttle and downshift the gear just once. dct will downshift to the most efficient gear (in this scenario it will downshift to 3rd gear) and after that just feel the torque and enjoy the acceleration
God I cant wait - my AMG sh*tbox is supposed to do that when you hold the left paddle down - but it shifts down one then selects the optimal gear for passing.
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      11-10-2012, 07:57 PM   #4
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Just had my break in service yesterday. I never really hit it hard before the service so is there a way to tell if my dealership did the software portion of it. Keep in mind the service advisor had no idea what I was talking about when I made an appt for this service so hence I wanted to make sure I have he "full" car released to me
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      11-10-2012, 08:35 PM   #5
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Quote:
Originally Posted by Lizard1
Just had my break in service yesterday. I never really hit it hard before the service so is there a way to tell if my dealership did the software portion of it. Keep in mind the service advisor had no idea what I was talking about when I made an appt for this service so hence I wanted to make sure I have he "full" car released to me
Try engaging launch control. Mine was not activated after initial service, so I have an appointment to do so.
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