Unhooking the battery overnight does SOMETHING
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Newbie
Joined: May 2023
Posts: 4
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W204 C63
Unhooking the battery overnight does SOMETHING
I put a tune on my 2012 c63 from eurocharged. The transmission was shifting SUPER early. I was getting bucking at takeoff in all transmission modes. I unhooked the battery overnight and today the transmission shifts much higher than it did previously. No bucking.
i know there is a lot of back on forth on here about the transmission adaptations, and I don’t know that disconnecting the battery did anything to that specifically, but it absolutely changed the behavior of the car for the better.
just my experience. Maybe it can help someone in the future. Or maybe it’s all in my head
i know there is a lot of back on forth on here about the transmission adaptations, and I don’t know that disconnecting the battery did anything to that specifically, but it absolutely changed the behavior of the car for the better.
just my experience. Maybe it can help someone in the future. Or maybe it’s all in my head
Member
Joined: Aug 2021
Posts: 176
Likes: 59
From: NYC
500E - CLK BS
you can also reset the adaptiveness of the transmission as well. people would usually do this w/ every new tune they get
- insert key
- turn to rdy (before crank)
- press accelerator to floor for 5-10 seconds
- turn key off (key still in)
- release pedal
- wait 2 min
that should reset
- insert key
- turn to rdy (before crank)
- press accelerator to floor for 5-10 seconds
- turn key off (key still in)
- release pedal
- wait 2 min
that should reset
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Joined: Aug 2016
Posts: 2,405
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12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
you can also reset the adaptiveness of the transmission as well. people would usually do this w/ every new tune they get
- insert key
- turn to rdy (before crank)
- press accelerator to floor for 5-10 seconds
- turn key off (key still in)
- release pedal
- wait 2 min
that should reset
- insert key
- turn to rdy (before crank)
- press accelerator to floor for 5-10 seconds
- turn key off (key still in)
- release pedal
- wait 2 min
that should reset
Thread Starter
Newbie
Joined: May 2023
Posts: 4
Likes: 0
W204 C63
you can also reset the adaptiveness of the transmission as well. people would usually do this w/ every new tune they get
- insert key
- turn to rdy (before crank)
- press accelerator to floor for 5-10 seconds
- turn key off (key still in)
- release pedal
- wait 2 min
that should reset
- insert key
- turn to rdy (before crank)
- press accelerator to floor for 5-10 seconds
- turn key off (key still in)
- release pedal
- wait 2 min
that should reset
I’ve done it in the past and I have not noticed a difference
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MBWorld Fanatic!
Joined: Aug 2016
Posts: 2,405
Likes: 724
12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
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MBWorld God!
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