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: 45,035 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Red
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz GLB AMG Line Executive is advertised with 45,035 miles, approximately 11,400 above the typical mileage for its age. Priced at £24,500, it is advertised £699 above the AskCar estimate of £23,801. To work out the AskCar estimate, we analyse UK dealer adverts for 822 Mercedes-Benz GLB cars across different ages and specifications. It first appeared in our advert records 8 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Mercedes-Benz of Watford, based in Watford. 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: £699 (2%) over the AskCar estimate of £23,801.

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 8 days.

Price history

AskCar first saw this advert on 31 October 2026 at £24,500. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 28 March 2027.

It has had one MOT, on 9 March 2026, and passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 39,918 miles, which matches the advertised 45,035 miles.

Advertised mileage is about 11,400 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, silver. Mileage: 48,390 miles. Price: £20,699, £3,801 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-353a296804d9
• 2023 Mercedes-Benz GLB AMG Line Executive, 2.0 diesel SUV, blue. Mileage: 40,280 miles. Price: £25,690, £1,190 more than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-85f302816773
• 2023 Mercedes-Benz GLB AMG Line Executive, 2.0 diesel SUV, white. Mileage: 34,000 miles. Price: £22,990, £1,510 less than this car. Dealer: K Motors London in New Malden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b13d428c4a8e