To estimate the price of the 2018 Mercedes E400 3.0L V6 TwinTurbo with 84395 miles, I considered the following data points: 1) An offer accepted for the same car with the same mileage and specs at AED 122500 on 2024-05-10. 2) Another offer accepted for a similar car with 55000 miles at AED 138000 on 2023-10-20. 3) A third offer accepted for a similar car with 35800 miles at AED 149500 on 2023-11-11. 4) The listed price of the same car with the same mileage and specs at AED 122500. Given the mileage and condition of the car, the most relevant data point is the offer accepted for the same car at AED 122500. The other offers and listings with lower mileage suggest a higher value, but the higher mileage and average condition of the target car justify a lower estimate.