2018 Mercedes-Benz GLS

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

£34,990

Fair price: within 8% of the typical £35,480 for this model, age and mileage, drawing on 130 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: GLS
Trim: AMG LINE
Version: 3.0 GLS350d V6 AMG Line G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
Mileage: 33,000 miles
Year: 2018
Fuel type: Diesel
Body type: SUV
Engine: 3.0 L
Gearbox: Automatic
Power: 254 bhp
Seats: 7
CO2: 199 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: G-Tronic
Engine badge: GLS350d V6
Emissions standard: Euro 6

About this car

With 33,000 miles on the clock, this 2018 Mercedes-Benz GLS AMG Line has done roughly 32,600 fewer miles than a typical 2018 Mercedes-Benz GLS. Our estimated market asking price is £35,480. This car is advertised at £34,990, which is £490 below that figure. Our estimate draws on 130 Mercedes-Benz GLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 34 days ago. MOT records show an expiry date of 4 August 2027, and the latest recorded mileage is consistent with the advert. The seller is LTV, based in Bury.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 September 2026, 34 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observed	Asking price
20 September 2026	£34,990
23 October 2026	£34,990

Price and mileage comparison

Estimated market asking price: £35,480. The asking price is £490 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 32,600 miles lower than typical for a 2018 Mercedes-Benz GLS.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 4 August 2027. 32,242 miles at the last test.

11 other cars with the same year, trim, gearbox and fuel are for sale from £23,500 to £37,500.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£23,500	108,190 miles
£26,100	85,531 miles
£28,495	59,000 miles
£28,989	68,750 miles
£29,499	47,220 miles

These cars have covered 29,000–108,190 miles, compared with 33,000 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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Vehicle photos

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