The data indicates that all of the sampled Mercedes-Benz E-Class Saloon vehicles (2016-20) with the specified model details (E300 4DR Saloon, 2.0D, AMG Line Night Edition, Premium Plus, 9G-T+, Auto) were manufactured in the year 2020. This suggests a complete concentration of this particular model range in that specific year, which could imply that these vehicles are either newly released or only available as new or very recent models within this timeframe.

The data indicates that all vehicles of the specified Mercedes-Benz E-Class Saloon (2016-20) model, specifically the E300 4DR Saloon 2.0D with AMG Line Night Edition Premium Plus, are equipped with a 1,950cc (roughly 2.0-liter) engine capacity. Additionally, the entire sample exclusively uses diesel as their primary fuel type. This consistency suggests a uniform engine and fuel configuration across this particular model variant, which might be valuable information for buyers or fleet managers interested in engine size and fuel economy.