2018 Mercedes-Benz GLS

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

£30,995

Fair price: within 8% of the typical £31,581 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: 69,000 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: Black
Doors: 5
Driven wheels: Four Wheel Drive
Emissions standard: Euro 6

About this car

This 2018 Mercedes-Benz GLS has covered 69,000 miles, around 3,400 more than typical for its age. At £30,995, it is advertised £586 below our estimated market asking price of £31,581. The estimate uses 130 UK dealer adverts for the Mercedes-Benz GLS, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 35 days ago. Our records show an MOT expiry date of 4 April 2026, which has passed. Ask the dealer for an update. The latest recorded MOT mileage is consistent with the advertised figure. It is for sale at Saracen Motor Group in Wickford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 September 2026, 35 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
20 September 2026	£30,995
23 October 2026	£30,995

Price and mileage comparison

Estimated market asking price: £31,581. The asking price is £586 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 3,400 miles higher than typical for a 2018 Mercedes-Benz GLS.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT not valid until 4 April 2026. 65,854 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £27,495 to £27,495.

Other matching cars
Asking price	Mileage
£27,495	74,550 miles

These cars have covered 74,550 miles, compared with 69,000 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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