MERCEDES-BENZ S CLASS (2017-20) S500L 4DR SALOON LWB 3.0 SS 457 EU6 AMG LINE EXECUTIVE PREMIUM 9G-T+ AUTO

Buyer's Guide & Data from our Checks

The MERCEDES-BENZ S CLASS (2017-20) S500L 4DR SALOON LWB 3.0 SS 457 EU6 AMG LINE EXECUTIVE PREMIUM 9G-T+ AUTO is a long-wheelbase luxury saloon, sitting at the top end of the UK executive-car market. It prioritises quiet comfort, generous rear-seat space and effortless performance over compact dimensions or low running costs.

Mycarcheck.com records 78 checks covering 27 different VINs, offering a useful snapshot of interest in this high-end version. Across those checks, the average private-sale valuation was £43,200; recorded mileage averaged 44,000 miles, with annual use around 11,000 miles. The cars had an average of just over one previous keeper.

Best suited to buyers seeking chauffeur-style rear comfort, business travel or a family car, it pairs AMG Line styling with an equipped Executive Premium cabin and smooth automatic driving. Compared with rivals such as the BMW 7 Series and Audi A8, the S-Class is known for ride comfort, prestige and technology. It is a substantial, costly-to-run used luxury car, so check condition and history carefully.

Considering a Mercedes S-Class? Outstanding finance, write-offs, hidden damage, theft or mileage problems 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 27 different vehicles, run between March 8th 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.

78
Lookups

1
Hidden Histories

54k
Average Mileage

£43,200
Average Valuation