TCU and ECU

[ivan1996teo]

Hi, guys. I have a W211 E270 CDI, please see the attachment, im not sure that is TCU or an ECU and i would like to improve my shifting speed, can anyone give me any suggestion? Thx guys.

 

[cb1965]

That's the TCU!

 

[JRH30]

Looking at having EC TCU remap on my SL55. Worth checking to see if they do one for your car and whether it will make much difference. Not sure where you are based but if in South then Rebellion, If London area then EC UK or Birmingham area MSL.

 

[ivan1996teo]

so how about this two cable? what its use for?