2023 Mercedes-Benz GLB 2.0 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Executive
• Version: 2.0 AMG Line Executive Auto Euro 6 5dr
• Year: 2023
• Mileage: 40,280 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Blue
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz GLB AMG Line Executive has covered 40,280 miles, around 6,700 more miles than is typical for its age. Its asking price of £25,690 is £1,320 above the AskCar estimate of £24,370. The AskCar estimate uses UK dealer asking prices, including 822 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 78 days ago, the asking price has dropped by £1,625. It is advertised by Stratstone Mercedes-Benz of Lakeside in West Thurrock. 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: £1,320 (5%) over the AskCar estimate of £24,370.

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 2.0 diesel engine is typically advertised at £25,800: the median of the 20 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 78 days.

Price history

AskCar first saw this advert on 22 August 2026 at £27,315. Its asking price is now £25,690, £1,625 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 22 August 2026: £27,315
• 4 September 2026: £26,990
• 15 September 2026: £26,890
• 22 September 2026: £26,875
• 3 October 2026: £26,690
• 10 October 2026: £26,090
• 24 October 2026: £25,990
• 27 October 2026: £25,690

Mileage and MOT

Advertised mileage is about 6,700 miles higher than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

7 other 2023 Mercedes-Benz GLB AMG Line Executive 2.0 diesel automatic SUVs are for sale at UK dealers, from £20,490 to £26,494, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Executive, 2.0 diesel SUV, red. Mileage: 45,035 miles. Price: £24,500, £1,190 less than this car. Dealer: Sytner Group Mercedes-Benz of Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-450306978e26
• 2023 Mercedes-Benz GLB AMG Line Executive, 2.0 diesel SUV, white. Mileage: 34,000 miles. Price: £22,990, £2,700 less than this car. Dealer: K Motors London in New Malden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b13d428c4a8e
• 2023 Mercedes-Benz GLB AMG Line Executive, 2.0 diesel SUV, silver. Mileage: 48,390 miles. Price: £20,699, £4,991 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-353a296804d9