To estimate the price of the 2017 Mercedes S400 V6 3.0L Twin Turbo Standard, I first considered the selling price of a similar car: a 2017 Mercedes S400 h V6 3.5L (Hybrid) with 125500 km mileage, which sold for SAR 159000 on 2024-05-16. This car is in good condition and has Japanese specs. Given that the target car has European specs and is in average condition, I adjusted the price downwards. I also looked at the listed prices: a 2017 Mercedes S400 h V6 3.5L (Hybrid) listed for SAR 146500 and a 2016 model listed for SAR 160500. Considering the target car's lower mileage and different engine type, I estimated a price slightly lower than the selling price but higher than the listed price of the 2017 model.