2023 Mercedes-Benz GLB 1.9 GLB220d AMG Line

Price: £33,500. Above the going rate: £3,346 (11%) over the AskCar estimate of £30,154, 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
  • Version: 1.9 220d 4M AMG Line Auto 4WD Euro 6 5dr Prem + Night Ed 8G-Tronic (187 bhp)
  • Year: 2023
  • Mileage: 17,495 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 7 seats
  • Engine: 1.9 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 164 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz GLB AMG Line is advertised with 17,495 miles, approximately 16,100 below the typical mileage for its age. Priced at £33,500, it is advertised £3,346 above the AskCar estimate of £30,154. The AskCar estimate uses UK dealer asking prices, including 822 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 38 days ago. Its asking price has since fallen by £1,000. You can find this car at Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Staverton. 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

Above the going rate: £3,346 (11%) over the AskCar estimate of £30,154.

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 1.9 diesel engine is typically advertised at £28,900: the median of the 13 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 1 October 2026 at £34,500. Its asking price is now £33,500, £1,000 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 1 October 2026: £34,500
  • 24 October 2026: £33,500

Mileage and MOT

Advertised mileage is about 16,100 miles lower than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

10 other 2023 Mercedes-Benz GLB AMG Line 1.9 diesel automatic SUVs are for sale at UK dealers, from £22,490 to £31,500, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, red. Mileage: 19,235 miles. Price: £30,599, £2,901 less than this car. Dealer: Lookers Mercedes-Benz of Tonbridge in Tonbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-a04cad39b852
  • 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, red. Mileage: 14,557 miles. Price: £31,500, £2,000 less than this car. Dealer: Sytner Group Mercedes-Benz of Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-4b4772c18421
  • 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, black. Mileage: 24,532 miles. Price: £25,298, £8,202 less than this car. Dealer: Arnold Clark Leeds Motorstore in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-663c18cef3f1
  • The nearest: 2023 Mercedes-Benz GLB AMG Line, 1.9 diesel SUV, white, under a mile from this car. Mileage: 38,412 miles. Price: £30,000, £3,500 less than this car. Dealer: Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Cheltenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-8db82454edfd

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

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Photos

26 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.