Que clase de vida lleva
I assume this means "What type of life does she have?" Llevar means "to have" in this instance. Es verdad?
2 Answers
Yes I agree "llevar" very often translates as "to have"
so "¿Qué clase de vida lleva?" translates just as you said "What type/(kind) of life does she have?"
I could be wrong -- I am very often.
A side note:
I consider "llevar" a mega verb like "hacer" and "quedar". These mega verbs have many, many uses and have taken me a lot of time to learn thier uses -- and I am still learning them.