the Dax is hitting multiple records in recent months, the economy is growing, inflation is going down and the unions are achieving raises above the inflation level
Stock market figures only benefit the wealthy. It is an entirely meaningless figure for measuring the economic situation of a country's population.
inflation is going down
Inflation "going down" doesn't mean there is no more inflation. It only means that there is less inflation than before.
the unions are achieving raises above the inflation level
Only a minority of the German workforce is even represented by those unions, also, most of them barely managed to get raises covering the recent inflation. Inflation adjusted salaries in Germany have been stagnating and even shrinking for decades now, so whatever has been achieved by the few unions isn't really that impressive in the long run.
The reality of the majority of people in Germany is vastly different from what you are describing.