2020 Mercedes-Benz GLS

2.9 AMG Line Premium Plus Executive Auto 4WD Euro 6 5dr (325 bhp)

£47,690

Fair price: within 8% of the typical £46,732 for this model, age and mileage, drawing on 130 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: GLS
Trim: AMG LINE PREMIUM PLUS EXECUTIVE
Version: 2.9 AMG Line Premium Plus Executive Auto 4WD Euro 6 5dr (325 bhp)
Mileage: 58,755 miles
Year: 2020
Fuel type: Diesel
Body type: SUV
Engine: 2.9 L
Gearbox: Automatic
Power: 325 bhp
Seats: 7
CO2: 208 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: GLS400d
Emissions standard: Euro 6

About this car

The advertised mileage for this 2020 Mercedes-Benz GLS AMG Line Premium Plus Executive is 58,755 miles. Our estimated market asking price is £46,732. This car is advertised at £47,690, which is £958 above that figure. We use UK dealer asking prices, including 130 Mercedes-Benz GLS listings, and account for the car’s age, mileage and specification. The asking price is now £5,310 lower than when we first recorded the advert 152 days ago. That history is worth bearing in mind when speaking to the dealer. Its recorded MOT is valid until 29 April 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Stratstone Mercedes-Benz of Chelmsford, based in Chelmsford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 152 days ago. Advert duration calculated on 27 October 2026. Net asking-price reduction: £5,310 from the first recorded £53,000. 10 price reductions recorded, the latest observed on 17 September 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£53,000
10 June 2026	£52,490
30 June 2026	£51,990
6 July 2026	£51,990
8 July 2026	£51,590
10 July 2026	£51,590
17 July 2026	£50,990
30 July 2026	£50,890
8 August 2026	£48,990
26 August 2026	£48,790
29 August 2026	£48,490
5 September 2026	£47,990
17 September 2026	£47,690
23 October 2026	£47,690

Price and mileage comparison

Estimated market asking price: £46,732. The asking price is £958 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.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 April 2027. 58,753 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £43,840 to £47,990.

Other matching cars
Asking price	Mileage
£43,840	82,000 miles
£47,990	54,000 miles

These cars have covered 54,000–82,000 miles, compared with 58,755 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 · 2020 Mercedes-Benz GLS price guide

Vehicle photos

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