2020 Mercedes-Benz GLS

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

£43,250

Fair price: within 8% of the typical £41,242 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
Version: 2.9 AMG Line Premium Plus Auto 4WD Euro 6 5dr (325 bhp)
Mileage: 64,643 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: Blue
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 has covered 64,643 miles. Its asking price of £43,250 is £2,008 above our estimate of £41,242. Our estimate draws on 130 Mercedes-Benz GLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 69 days ago, the asking price has dropped by £3,400. That history is worth bearing in mind when speaking to the dealer. MOT records show an expiry date of 2 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Northampton, based in Northampton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 18 August 2026, 69 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £3,400 from the first recorded £46,650. 5 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observed	Asking price
18 August 2026	£46,650
17 September 2026	£45,900
26 September 2026	£45,400
8 October 2026	£44,400
16 October 2026	£43,750
22 October 2026	£43,250
23 October 2026	£43,250

Price and mileage comparison

Estimated market asking price: £41,242. The asking price is £2,008 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 2 July 2027. 64,064 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £46,989 to £49,950.

Other matching cars
Asking price	Mileage
£46,989	60,000 miles
£49,950	46,175 miles

These cars have covered 46,175–60,000 miles, compared with 64,643 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

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