Under average

It wasn't Buchbinder (they were bought by Europcar?). Be careful in the return process because they will "find" you an invisible scratch that you will never be able to trace (like under the baggage hood) to charge you for handling and fixing fees.

Anything was perfect.

The queue was swift, and I got a new car with only 17 km on it.

They kept saying they couldn't process my old-fashioned credit card and forced us to buy their additional insurance, costing an extra 81 euros. What's the point of buying insurance from the rental platform then?

The attitude of this company is extremely bad. They do not accept magnetic stripe credit cards and do not inform upfront. I purchased full insurance, but they still charged me 1200 euros as a deposit. They also charge 45 euros for cross-border service, very greedy. I tried to negotiate with the rental platform for a refund, and it's been 7 days without any response. Later, I went to HERZ and was very satisfied. A 9-seater Mercedes for less than 400 euros for 3 days with full insurance, with a prepaid fuel charge of a bit more than 200 euros. When returning the car, the inspection staff falsely claimed that 45 euros of fuel was missing, even though the tank was full. I went to the HERZ counter, showed my refueling receipt which confirmed a full tank, and they said I had done the right thing and would verify it at the counter.

This company is terrible and untrustworthy. They pressure you into buying full insurance, tell you that there's no need for a vehicle inspection, and then charge you for pre-existing damages. It seems that the previous renter probably paid for the damage and now they are scamming new renters with full insurance to repair the car. Your company in Berlin doesn't even pay for parking fees and gets chased away. It's a disgrace that such a terrible company can exist in Germany and tarnish the country's reputation.