2018 Mercedes-Benz GLS

3.0 Auto 4WD Euro 6 5dr (254 bhp)

£27,495

Good value: £2,878 under the typical £30,373 for this model, age and mileage, drawing on 130 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: GLS
Version: 3.0 Auto 4WD Euro 6 5dr (254 bhp)
Mileage: 74,550 miles
Year: 2018
Fuel type: Diesel
Body type: SUV
Engine: 3.0 L
Gearbox: Automatic
Power: 254 bhp
Seats: 7
CO2: 210 g/km
Colour: Blue
Doors: 5
Driven wheels: Four Wheel Drive
Emissions standard: Euro 6

About this car

This 2018 Mercedes-Benz GLS has covered 74,550 miles, around 9,000 more than typical for its age. At £27,495, it is advertised £2,878 below our estimated market asking price of £30,373. To estimate its market asking price, we analyse UK dealer adverts for 130 Mercedes-Benz GLS cars across different ages and specifications. We have tracked this advert for 9 days. MOT records show an expiry date of 5 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Jack Henry Group, based in Tonbridge.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 October 2026, 9 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observed	Asking price
15 October 2026	£27,495
23 October 2026	£27,495

Price and mileage comparison

Estimated market asking price: £30,373. The asking price is £2,878 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 130 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,000 miles higher than typical for a 2018 Mercedes-Benz GLS.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 5 October 2027. 74,542 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £30,995 to £30,995.

Other matching cars
Asking price	Mileage
£30,995	69,000 miles

These cars have covered 69,000 miles, compared with 74,550 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz GLS cars for sale · 2018 Mercedes-Benz GLS price guide

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Vehicle photos

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