I would like to raise a serious complaint about your Portugal car rental offices. ( Lisbon and Porto). I rented a car from your office in Libon Airport on 10 May evening at 08pm. My plan was to deliver the car on the same day to your office located in Boavista office in Porto around 10.30 pm (drove only for 2.5hrs). When I was completing my reservation details in your office in Lisbon office, I told that I wanted to deliver the car at late hour and your colleague told me that "it would not be a problem, there was a car park in front of the office, I could drop the car and put the key into the locker". After completing my reservation in Lisbon Airport, the receptionist gave me the key and told me that there were many damages in the car and showed me the damage form. Actually I was not introduced by the damages near the car but just through the form. I glanced at the form, picked up it and went to the car park area with the key. The car park area was dark and as I was working with Sixt since 2007, I did not think that it would be necessary to check the damages (even it was not possible to check at that time in dark car park). I took the car and drove to Porto and went to your office in Boavista around 10.30pm to deliver the car but the car park was locked, I could not open it. So I tried to call the call center to ask for help for 3 times but nobody replied. Then I decided to deliver the car the following day in the morning. When I returned the car, the lady in charged inspected the car 5mins in a very detailed way which I have never seen in my previous car rental experiences (like trying to find a fault or a damage on purpose). After completing her inspection, she said that there were 3 extra damages in the car and she wanted to show me. The bump she showed me at the left side of the car was totally unnoticable, I said I did not see any damage, she insisted me to show but I really did not notice anything. She showed one scratch (4cm. length and 4mm. width) on the front fender and a small damage on the left front part of the fender. I told the lady that these damages should have happened before my rental as I drove the car only on the highway smoothly and I would notice if I hit something or somebody hit me and rejected her claim. I told her that when I was signing the paperwork she presented, I am signing it just to confirm that I delivered the car. A few week after my rental, I received a claim from your Portugal office stating that I would be claimed €854 for all these damages. I made my explanation through email and raised some questions to ask for clarification. Your office did not provide any details to my question. After my last reply, they wrote me that the case was closed. After I received this reply, I assumed that my claim was accepted, however, today I learned that this amount is deducted from my credit card without my approval, even your office wrote me that the case was closed. Related to this matter, I would like to re-claim as follows: First of all, the way the business done by your office is not fair at all to your client. They rent me a car having 10 damages and I would be responsible for extras. How can a client check all these damages in late hour by himself (damages were not shown to me on the car but on a paperwork) and guarenteed himself. This situation would be much easier if I was given a damage free car or with few damages. In my opinion, if your office is not showing damages to your client directly during rental then you can not claim that both parties were agreed on damages. I am told that due to my insurance, I would be responsible damages exceeding €2600 which was €854 so the cost of the damages were €3454! I really can not understand how these 3 simple damages (even one can not be noticed) can cost that amount. I asked for detailed explanation why it costs that much but no reply. Your office is charging me this amount and even they have no courtesy to explain me how it is calculated. I insisted on that these damages were made before my rental and suggested them to check CCTV in the car park. Even they did not reply to my question as well. I still insist that I did not make any of these damages. While we are communicating through email, I reject the claim and told that I am not going to make any payment so meaning that we did not come to any conclusion. And finally, your office withdrawed money from my credit card after writing to me that the case was closed. How can an office withdraw money from my credit card without having my approval? In the light of these explanations, I would like to open a claim about this issue and suggest you to investigate this issue and reimburse withdraw money to my account.