Wouldn't be surprised.
They do always comment on how well maintained it is.
I even once saw one of the techs taking a selfie in front of it for whatever reason.
Speaking of techs, my favourite part of the dropping off for service routine is watching the pimply faced tech get into the car to...
My car was in yesterday having the ABS Hydraulic Control Unit replaced (a saga within itself) and they took it upon themselves to have my car valued in case I was interested in ordering a S650.
34000km and in similar (although no doubt not quite as immaculate) condition as yours, they came back...
My regime, whilst nothing nearing the fastidiousness of @DFB5.0, usually takes around 3.5 hours starting with the initial pressure rinse and snow foaming.