I started by examining the selling prices of similar cars. The most relevant data point is the 2013 Mercedes E300 3.0L V6, which sold for AED 44500 in May 2024 with a mileage of 155100 km. This car is very similar to the target car in terms of year, model, and condition. Another relevant data point is the 2014 Mercedes E300, which sold for AED 44500 in August 2024, but it is a year newer. The 2012 models sold for lower prices, ranging from AED 29500 to AED 36500, reflecting their older age. Considering the target car's mileage of 122000 km, which is lower than the 2013 model sold in May, I estimate the price to be slightly higher than AED 44500. However, given the market conditions and the average condition of the car, I estimate the market price to be around AED 45000.