New C63 owner / few questions please

[Jamesyc63]

That's because Controlled Efficiency (C) starts in 2nd gear so there's more slipping the clutches to get going than all the other modes where it starts in 1st gear.

When it's stone cold it starts in 2nd gear in S, S+ & M but it very quickly reverts back to 1st gear, long before the engine fully warms up.

It could mean the clutch plates are worn...? There is a gearbox software update you can get done, cost me £50 at an independent garage. That might help.

Thanks mate. Makes sense. Its going to a garage soon for a general check over and tidy up some niggles so will ask if they can do a gearbox update too

 

[Jamesyc63]

So i pottered about all week to test MPG.

Computer said 22.5mpg and actual was around 21.5mpg so hopefully means no leaks.

Although i wouldnt want to drive like that all the time was painfully slow!!!

Where can you check for gearbox updates? What garages can do these?

My judder is only in C mode when i sets off in 2nd gear

 

[Steve84N]

That's consistent with my experience where the trip computer is 1mpg optimistic compared to measured.

Are you anywhere near Horndean as there's a place called Prestige Car Service there and it's where I got my gearbox updated. You'd need to get it plugged into STAR diagnostics to see what version it has.

 

[Jamesyc63]

Thanks mate will have a look. Im near brighton area.