2023 Mercedes-Benz GLS

2.9 GLS400d Night Edition G-Tronic 4WD Euro 6 (s/s) 5dr (325 bhp)

£52,980

Fair price: within 8% of the typical £54,560 for this model, age and mileage, drawing on 130 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: GLS
Trim: NIGHT EDITION
Version: 2.9 GLS400d Night Edition G-Tronic 4WD Euro 6 (s/s) 5dr (325 bhp)
Mileage: 45,000 miles
Year: 2023
Fuel type: Diesel
Body type: SUV
Engine: 2.9 L
Gearbox: Automatic
Power: 325 bhp
Seats: 7
CO2: 229 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: G-Tronic
Engine badge: GLS400d
Emissions standard: Euro 6

About this car

With 45,000 miles on the clock, this 2023 Mercedes-Benz GLS Night Edition has done roughly 10,500 more miles than a typical 2023 Mercedes-Benz GLS. Its asking price of £52,980 is £1,580 below our estimate of £54,560. We use UK dealer asking prices, including 130 Mercedes-Benz GLS listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 26 days ago, the asking price has dropped by £1,500. It is advertised by Auto100.Co.Uk in Sutton-in-Ashfield.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 26 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,500 from the first recorded £54,480. 3 price reductions recorded, the latest observed on 18 October 2026.

Recorded asking prices
Date observed	Asking price
30 September 2026	£54,480
6 October 2026	£53,980
12 October 2026	£53,480
18 October 2026	£52,980
23 October 2026	£52,980

Price and mileage comparison

Estimated market asking price: £54,560. The asking price is £1,580 below 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 10,500 miles higher than typical for a 2023 Mercedes-Benz GLS.

3 other cars with the same year, trim, gearbox and fuel are for sale from £56,399 to £60,000.

Other matching cars
Asking price	Mileage
£56,399	36,270 miles
£59,795	28,500 miles
£60,000	22,948 miles

These cars have covered 22,948–36,270 miles, compared with 45,000 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 · 2023 Mercedes-Benz GLS price guide

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