The data indicates that the majority of the Mercedes-Benz S Class (2017-20) S400L 4DR Saloon LWB 2.9D DPFR SS 340 EU6 AMG Line Executive Premium 9G-T+ Autos sold in the UK are from the year 2019, accounting for approximately 83.3%. Vehicles from 2018 make up the remaining 16.7%. This suggests that most vehicles of this model on the road or available for sale are newer, primarily from 2019, possibly reflecting higher demand or better availability of this year’s models.

The data indicates that all vehicles of the Mercedes-Benz S Class (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE EXECUTIVE PREMIUM 9G-T+ AUTO are equipped exclusively with a 2.9-liter diesel engine. This suggests a consistent engine configuration across the entire sample. The uniformity in primary fuel type also highlights that diesel is the sole fuel choice for this model, which might be relevant for buyers considering fuel efficiency or emissions.