Terrible is a understatement, the worse rental experience of my life

Staring with the fact that there was not shuttle bus to the rental place, after finally contacting the local representative we were told that are booking was for the following day and we needed to pay for a additional day, after we said ok they charged us more than the online price, then we waited almost an hour to be pick up, when we arrived we were told that we have only 100 miles per day instead of unlimited as was stipulated online. We rented a "luxury" Mercedes Benz, however, the car was in a deplorable condition, smelled like cigarette smoke, scratched all over the place with less than a 1/4 tank of gas, when we asked if there was another car in better condition we were told by the manager named Cho to take it or leave it, so when we said to leave it the manager would not gave us a refund indicating that we needed to contact the online service, thus, without any other option we took the car. At time of return they gave us a different address, when we got there nobody was there to received the car, after calling the number they told us to wait so we waited for 30 min until the guy finally showed up, then there was an issue that there was not shuttle bus at that location and the guy will not take us to the closest station so we walked...bottom line worse rental experience of my life...I end up expending so much time waiting for a crappy, smoke smelling, scratched, no gas "luxury" car that I could not take anywhere cause of the limited miles plus additional charges from what was online.