They charged extra for the refueling service and were unreasonable when questioned.

It's okay, but there are a bit too few staff members.

When picking up the car, the sales repeatedly recommended insurance. Upon returning the car, the staff were extremely picky, trying hard to find tiny 'scratches' that were almost invisible. They assessed 360 euros in damage. I explained that it was already late at night when picking up the car and such small marks were not visible. Moreover, the staff was very busy and told us to just drive away. The return staff said: 'You used the car, and the pick-up record shows no damage, so you are responsible.' I refused to pay. Although they did not charge on the spot, they did not clearly explain whether the fee would be deducted from the credit card authorization. The whole service experience was filled with discrimination against Chinese tourists. We often reside in Europe and usually rent cars directly from local companies, where the process is hassle-free. This experience has tainted our otherwise perfect trip. Unless you have language difficulties, I do not recommend using this rental platform.

I reserved a Mercedes C-Class at the same price, but they gave me a GLA. Luckily, I checked the model on the key and argued for a few minutes to finally get the C-Class.

Very good, and the user experience is great.