2018 Mercedes-Benz GLS
3.0 GLS350d V6 AMG Line G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
£26,100
Fair price: within 8% of the typical £25,682 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
- 85,531 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
- Silver
- 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 AMG Line has covered 85,531 miles, around 19,900 more than typical for its age. Our estimated market asking price is £25,682. This car is advertised at £26,100, which is £418 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 130 Mercedes-Benz GLS cars across different ages and specifications. We first recorded this advert 30 days ago, and its asking price has since fallen by £300. Its recorded MOT is valid until 6 December 2026, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Car Planet Barnet in New Southgate.
Stock data from 23 October 2026.
Price history
First seen on 26 September 2026, 30 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £300 from the first recorded £26,400. 1 price reduction recorded, the latest observed on 23 October 2026.
| Date observed | Asking price |
|---|---|
| 26 September 2026 | £26,400 |
| 23 October 2026 | £26,100 |
Price and mileage comparison
Estimated market asking price: £25,682. The asking price is £418 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 19,900 miles higher than typical for a 2018 Mercedes-Benz GLS.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 6 December 2026. 80,099 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.
| Asking price | Mileage |
|---|---|
| £23,500 | 108,190 miles |
| £28,495 | 59,000 miles |
| £28,989 | 68,750 miles |
| £29,499 | 47,220 miles |
| £29,790 | 62,450 miles |
These cars have covered 29,000–108,190 miles, compared with 85,531 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
More like this
How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.
Vehicle photos
- 2018 Mercedes-Benz GLS photo 1
- 2018 Mercedes-Benz GLS photo 2
- 2018 Mercedes-Benz GLS photo 3
- 2018 Mercedes-Benz GLS photo 4
- 2018 Mercedes-Benz GLS photo 5
- 2018 Mercedes-Benz GLS photo 6
- 2018 Mercedes-Benz GLS photo 7
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