2020 Mercedes-Benz GLS

2.9 GLS400d AMG Line AMG Line Premium Plus Executive G-Tronic 4WD Euro 6 (s/s) 5dr (Premium Plus, Executive) (325 bhp)

£43,840

Fair price: within 8% of the typical £41,533 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 GLS400d AMG Line AMG Line Premium Plus Executive G-Tronic 4WD Euro 6 (s/s) 5dr (Premium Plus, Executive) (325 bhp)
Mileage: 82,000 miles
Year: 2020
Fuel type: Diesel
Body type: SUV
Engine: 2.9 L
Gearbox: Automatic
Power: 325 bhp
Seats: 7
CO2: 246 g/km
Colour: Blue
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: G-Tronic
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 82,000 miles. Our estimated market asking price is £41,533. This car is advertised at £43,840, which is £2,307 above that figure. 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 advert 34 days ago, and its asking price has since fallen by £2,140. Its MOT is recorded as valid until 4 September 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Oakdene Collection in Alfreton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 September 2026, 34 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £2,140 from the first recorded £45,980. 4 price reductions recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observed	Asking price
22 September 2026	£45,980
25 September 2026	£45,480
3 October 2026	£44,980
10 October 2026	£43,980
14 October 2026	£43,840
23 October 2026	£43,840

Price and mileage comparison

Estimated market asking price: £41,533. The asking price is £2,307 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 4 September 2027. 81,753 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £47,690 to £47,990.

Other matching cars
Asking price	Mileage
£47,690	58,755 miles
£47,990	54,000 miles

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

Vehicle photos

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