MERCEDES-BENZ S CLASS (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE REAR LUXURY LOUNGE 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The MERCEDES-BENZ S CLASS (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE REAR LUXURY LOUNGE 9G-T+ AUTO is a long-wheelbase, full-size luxury saloon, sitting at the top end of the UK executive-car market. Its extended cabin prioritises rear-seat space and comfort, while AMG Line styling gives this chauffeur-friendly flagship a sportier look.
It suits business users, families and anyone who regularly travels with passengers, especially those valuing a quiet, spacious back seat. Compared with the BMW 7 Series and Audi A8, the S-Class is known for plush ride comfort and high-end refinement; this diesel version also offers effortless, quiet long-distance cruising. AMG Line styling and the Rear Luxury Lounge package pair a confident appearance with passenger pampering.
mycarcheck.com shows nine look-ups across three VINs: a small snapshot. Average mileage was 69,000, annual mileage 23,000 and previous keepers 1.3. Average private-sale valuation: £35,300 in the recorded sample.
Considering a Mercedes S-Class? Outstanding finance, insurance write-offs, hidden damage, mileage discrepancies or theft could turn a luxury buy into a costly mistake. Enter the reg now and check before you commit.
Key Findings
The following statistics are drawn from our checks of 3 different vehicles, run between November 21st 2021 and October 31st 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
9
Lookups
Lookups
0
Hidden Histories
Hidden Histories
90k
Average Mileage
Average Mileage
£35,300
Average Valuation
Average Valuation












