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Overall verdict

The Top Gear car review: Mercedes-Benz S-Class

Best in class
Overall verdict
Rivals are closer than ever, but the S-Class remains our favourite luxo-barge. For now


Interior design, rear space, ride and refinement


Little steering feel or driver satisfaction


What is it?

Without a doubt the benchmark big luxury saloon, the one Audi, BMW, Lexus, Cadillac and even Jaguar and Maserati must define themselves by and be measured against.

This car defines the sector and is the one all others must topple. The latest A8 and 7 Series are both much newer than the S and thus have some exceptionally clever tech on-board, but while both are excellent cars in their own right, neither is quite as special as the big Merc.

A facelift in 2017 – this generation’s last before it’s replaced by an entirely new S-Class – gave many new things. Chief among them new engines, Merc’s latest-generation in-line six-cylinder diesels and petrols, plus a plug-in hybrid and the S63 AMG’s V8 bi-turbo petrol. The rare-groove S65 is no more, but you can still get a V12-engined S-Class in the form of the super-luxe, super-rare and super-expensive £180,000 Mercedes-Maybach S650.

This update also gave the S-Class an array of semi-autonomous driving technology like Active Speed Limit Assist, Active Lane Change Assist and Remote Parking Assist, most of which debuted in the E-Class. But to make sure the S-Class kept its crown as the techiest Merc, it got a few of its own too. The main one is a kind of active cruise control that, as well as sensing and maintaining gaps to other cars, knows to slow you for roundabouts, corners and tolls using GPS. Of course that particular system has been rolled out to other Mercs now, but it’s reasonable to expect much cleverness from the new S-Class, which could be revealed as soon as this year.

Because this particular era of S-Class is so near the end of its life, Mercedes has massively cut back on the number of trim levels/equipment combinations if offers. Now there’s just one trim for the non-AMGs – ‘Grand Edition’ – and only the cheapest S350d is available with the short-wheelbase.

Highlights from the range

Title 0–62 CO2 MPG BHP Price
The fastest
S63L 4dr Auto
4.3s 231g/km 27.7 612 £127,265
The cheapest
S350d AMG Line 4dr 9G-Tronic
6.0s 158g/km 47.1 286 £74,480
The greenest
S350d AMG Line 4dr 9G-Tronic
6.0s 158g/km 47.1 286 £74,480