2023 Mercedes-Benz GLB 1.3 GLB200 AMG Line Executive

Price: £20,480. Fair price: £578 (2%) over the AskCar estimate of £19,902, our expected asking price for this car from its model, age, mileage and specification, drawing on 822 priced Mercedes-Benz GLB adverts on AskCar as of 8 November 2026.

AskCar lists 853 used Mercedes-Benz GLB from 391 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLB
  • Trim: AMG Line Executive
  • Version: 1.3 GLB200 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
  • Year: 2023
  • Mileage: 61,074 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 7 seats
  • Engine: 1.3 litres, 161 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 163 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz GLB AMG Line Executive has covered 61,074 miles, around 27,500 more miles than is typical for its age. The AskCar estimate for this car is £19,902. It is priced at £20,480, which is £578 above that estimate. The AskCar estimate uses 822 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 10 days ago, the asking price has dropped by £6,250. We checked its advertised mileage against the government's MOT record, and they match. The seller is Big Motoring World Blue Bell Hill, based in Chatham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £578 (2%) over the AskCar estimate of £19,902.

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 822 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 8 November 2026.

A 2023 Mercedes-Benz GLB with the 1.3 petrol engine is typically advertised at £24,300: the median of the 118 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 29 October 2026 at £26,730. Its asking price is now £20,480, £6,250 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 29 October 2026: £26,730
  • 30 October 2026: £20,560
  • 31 October 2026: £20,480
  • 1 November 2026: £20,500
  • 3 November 2026: £20,470
  • 4 November 2026: £20,480

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 20 July 2027.

It has had one MOT, on 11 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 53,521 miles, which matches the advertised 61,074 miles.

Advertised mileage is about 27,500 miles higher than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

47 other 2023 Mercedes-Benz GLB AMG Line Executive 1.3 petrol automatic SUVs are for sale at UK dealers, from £17,500 to £27,495, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey. Mileage: 61,074 miles. Price: £20,499, the same price as this car. Dealer: Stratstone Mercedes-Benz Of Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-a0615c7234a1
  • 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 61,530 miles. Price: £21,559, £1,079 more than this car. Dealer: Lookers Mercedes-Benz of Ashford in Ashford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-3ae842440646
  • 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 61,738 miles. Price: £20,400, £80 less than this car. Dealer: Sytner Select Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-785cc2a7b91b
  • The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white, 7 miles from this car. Mileage: 19,248 miles. Price: £24,299, £3,819 more than this car. Dealer: cinch in Maidstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b78d5045e88e

Browse all Mercedes-Benz GLB cars for sale · 2023 Mercedes-Benz GLB price guide

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Photos

25 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.