2020 Mercedes-Benz GLS 2.9 GLS400d AMG Line Premium Plus
Version: 2.9 AMG Line Premium Plus Auto 4WD Euro 6 5dr (325 bhp)
Price: £47,995. Above the going rate: £3,803 (8%) over the AskCar estimate of £44,192, our expected asking price for this car from its model, age, mileage and specification, drawing on 128 priced Mercedes-Benz GLS adverts on AskCar as of 30 October 2026.
AskCar lists 133 used Mercedes-Benz GLS from 104 UK dealerships, as of 30 October 2026.
Overview
- Make
- Mercedes-Benz
- Model
- GLS
- Trim
- AMG Line Premium Plus
- Version
- 2.9 AMG Line Premium Plus Auto 4WD Euro 6 5dr (325 bhp)
- Mileage
- 61,138 miles
- Year
- 2020
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.9 L
- Gearbox
- Automatic
- Power
- 325 bhp
- Seats
- 7
- CO2
- 242 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- GLS400d
- Emissions standard
- Euro 6
About this car
This 2020 Mercedes-Benz GLS AMG Line Premium Plus is advertised with 61,138 miles on the clock. Its asking price of £47,995 is £3,803 above the AskCar estimate of £44,192. The AskCar estimate uses 128 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 today. Its recorded MOT is valid until 15 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Mercedes-Benz South West Mercedes Benz Of Exeter, based in Exeter.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £47,995 |
Price and mileage comparison
Above the going rate: £3,803 (8%) over the AskCar estimate of £44,192.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 128 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 30 October 2026.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 15 September 2027. 60,820 miles at the last test.
Other matching cars
4 other 2020 Mercedes-Benz GLS AMG Line Premium Plus automatic diesel cars are for sale at UK dealers from £42,500 to £49,950, as of 30 October 2026.
- 2020 Mercedes-Benz GLS. Price: £42,500. Mileage: 64,643 miles. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2020-3420a120af4c
- 2020 Mercedes-Benz GLS. Price: £43,000. Mileage: 66,681 miles. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2020-420eb62b643e
- 2020 Mercedes-Benz GLS. Price: £46,989. Mileage: 60,000 miles. Dealer: Blackstone Motors in Brent. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2020-1986b3dd238f
- 2020 Mercedes-Benz GLS. Price: £49,950. Mileage: 46,175 miles. Dealer: Magee Automotive in Lisburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2020-9b506d0e814a
The 4 matching cars have covered 46,175 to 66,681 miles, compared with 61,138 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz GLS cars for sale · 2020 Mercedes-Benz GLS price guide
More like this
Photos
93 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.