Did 150k in my Octavia diesel from new in 8 years.
Only 2 problems were the clutch at 135k and one of the servos or something around 90k. Most reliable car I have ever had. If I had been a gentle driver, I probably wouldn't of had those problems.
Ill also explain why not driving a car gently can avoid some of those issues and perhaps why you wouldve never known if you had these issues assuming the car was new, and under warranty which meant it had to be serviced according to schedule
Glow plugs - If you never changed a set or they never did them at service Id be AMAZED they are a service item, like spark plugs
MAF - 99% of these go, you couldve been lucky
EGR valve - They coke up, spirited driving eliminates this somewhat
Boost valve - Petrol
Vacuum hoses - Sometimes they split, again couldve been lucky or perhaps you never noticed the boost leak
Battery - 150k on a single battery and 8 years in UK weather, again Id be very surprised
Intercooler hoses - Dont always go, but its worth a check
Coil packs - Petrol
CCM module - Audi specific
Bunged up drain plugs - Audi specific AFAIK (but that makes me wonder if its not why your brake servo went as thats how the Audis go)
ECT - These go all the time on VAG
Water pump vanes - Yours wouldve been changed and updated to metal impellar according to service schedule with all the belts
Belts Aux & Timing - as above
Door switches - Common when the CCM goes, Not sure with Skodas
DMF - Yours went
Coked up turbo vanes - Spirited driving eliminates somewhat
Stupid window regulators - Not sure about Skoda