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8/10
Overall verdict

The Top Gear car review:Mercedes-Benz GLS

£71,275£104,745
8/10
Overall verdict
A very well executed big, luxury Benz. Lovely thing
 

For: 

Massively practical, refined, comfortable, clever and quiet

Against: 

Big. Also, as the “S-Class of SUVs”, it should be even plusher

Overview

What is it?

A chuffing massive Mercedes, is what it is. Longer and wider than ever, the “S-Class of SUVs” (Merc’s words) is quite possibly one of the biggest cars on sale in Britain. So long you can almost fit a whole Fiat 500 just in its wheelbase, not to mention the contents of several C-Class Estates in its interior.

It is truly gargantuan and, we suspect, verging on just too enormous for British towns and cities. Certainly won’t fit through a 6ft 6in width restrictor, or in your local NCP. Drive it through the Eurotunnel and you’ll need to ride with the coaches and caravanists instead of the other cars.

Now in its third generation, Mercedes says the GLS competes with the Range Rover and Tesla Model X. Most directly, though, with the new BMW X7 - the creation of which the GLS no doubt very much inspired. We reckon it’ll also appeal to people looking at pricier versions of the Land Rover Discovery, Audi Q7 and Volvo XC90.

The trade-off for this massiveness is interior space - like its rivals, the GLS is as enormous inside as it is outside, with space for seven fully-grown adults and all their things.

Wasn’t always called the GLS. Back in the noughties Merc’s biggest SUV was just the GL - then the company played around with its naming structure, adding the extra letter to reflect this is the S-Class to the GLE’s E-Class, GLC’s C-Class and so-on.

Since the model’s introduction in 2006 more than half a million have been sold, mostly in the United States. Which, as it happens, is where it’s built (alongside the GLE in Alabama) and where we’re driving it. And, amusingly, where it feels no less compact and wieldy than a Ford Fiesta does in West London.

Highlights from the range

Title 0–62 CO2 MPG BHP Price
The fastest
GLS 63 4Matic 5dr 7G-Tronic
4.6s 320g/km 20.2 585 £104,745
The cheapest
GLS 400 4Matic AMG Line 5dr 9G-Tronic
6.6s 248g/km 26.2 333 £71,275
The greenest
GLS 350d 4Matic AMG Line 5dr 9G-Tronic
7.8s 210g/km 35.3 258 £72,125
Continue: Driving

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