2018 Mercedes-Benz GLS

3.0 GLS350d V6 Grand Edition G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)

£26,990

Fair price: within 8% of the typical £25,840 for this model, age and mileage, drawing on 130 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: GLS
Trim: GRAND EDITION
Version: 3.0 GLS350d V6 Grand Edition G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
Mileage: 110,000 miles
Year: 2018
Fuel type: Diesel
Body type: SUV
Engine: 3.0 L
Gearbox: Automatic
Power: 254 bhp
Seats: 7
CO2: 203 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: G-Tronic
Engine badge: GLS350d V6
Emissions standard: Euro 6

About this car

This 2018 Mercedes-Benz GLS Grand Edition is advertised with 110,000 miles, approximately 44,400 above the typical mileage for its age. Our estimated market asking price is £25,840. This car is advertised at £26,990, which is £1,150 above that figure. The estimate uses 130 UK dealer adverts for the Mercedes-Benz GLS, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 20 days. Its MOT is recorded as valid until 23 April 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Leader Car Sales in Uxbridge.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 October 2026, 20 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observed	Asking price
6 October 2026	£26,990
23 October 2026	£26,990

Price and mileage comparison

Estimated market asking price: £25,840. The asking price is £1,150 above 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 44,400 miles higher than typical for a 2018 Mercedes-Benz GLS.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 April 2027. 108,801 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £31,995 to £31,995.

Other matching cars
Asking price	Mileage
£31,995	79,000 miles

These cars have covered 79,000 miles, compared with 110,000 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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