Overall service was smooth

It's advisable to buy car insurance when you rent the car, as it is more expensive if you purchase it upon picking up the car in London. Also, it's not recommended to buy fuel when picking up the car (80 pounds) unless you are only driving in London, as fuel is cheaper outside of London.

Great, good service.

I rented a car for two weeks this time. It was my first time renting a car in the UK. Hertz was quite reliable. I originally wanted to rent a Juke, but since there were no cars available, they upgraded me to a Mercedes directly. Returning the car was super fast. I was supposed to return it on the morning of October 12th, but I was worried the return process would be complicated, so I returned it on the evening of the 11th instead. The return process was incredibly fast. Not sure if it was because I bought full insurance. I asked if there would be any additional penalties or fees, and they said no, all done. I hope there won't be any extra charges later. Overall, I'm quite satisfied.