C32 AMG, C55 AMG (W203) 2001 - 2007

C55 AMG CHANGING GEARBOX MODES WHILE DRIVING...?

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Old Dec 15, 2013 | 06:57 PM
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Silver C55 AMG Sedan
C55 AMG CHANGING GEARBOX MODES WHILE DRIVING...?

I did a search but nothing that addressed this directly.


With the three C55 gearbox modes (Comfort / Sport / Manual)...is it alright to change while moving or while accelerating?


I'm thinking it must be an electronic TCU change not a mechanical issue. Hoping so otherwise it wouldn't be a good idea to change while moving.


Any input would be appreciated.


:-)
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Old Dec 15, 2013 | 07:23 PM
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I have done it so many times no issues at all on my c32 or modified c55

However, doesn't seem to work as well on my ml63
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Old Dec 15, 2013 | 07:37 PM
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Same here. It just changes TCU mapping, nothing mechanical or hydraulic.
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Old Dec 16, 2013 | 07:29 PM
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Yep I do it everytime the transmission pisses me off.... so everyday I will go from sport to manual at some point during the journey.
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Old Dec 16, 2013 | 09:08 PM
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Originally Posted by tw2
Yep I do it everytime the transmission pisses me off.... so everyday I will go from sport to manual at some point during the journey.
exactly the same here
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Old Dec 17, 2013 | 01:11 PM
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its fine. The book actually tells you you can do it, it just recommends not to because the tranny can get jerky based on whats going on with the vehicle, speeds, torque etc.
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Old Dec 17, 2013 | 06:54 PM
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Thanks guys. Good to know.


The C32 only had W/S (Winter/Summer) and it didn't really seem to make any difference so I never bothered changing out of Summer.


The 55 though. Different beast.


EVOIIRacer - interesting to hear that the 7-speed gearbox doesn't like it as much.
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