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: 29,844 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Black
• CO2: 149 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 29,844 miles on the clock, this 2023 Mercedes-Benz GLB AMG Line Executive has done roughly 3,800 fewer miles than a typical 2023 Mercedes-Benz GLB. Its asking price of £25,400 is £262 below the AskCar estimate of £25,662. The AskCar estimate uses UK dealer asking prices, including 822 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 8 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Select Nottingham, based in Nottingham. 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: £262 (1%) under the AskCar estimate of £25,662.

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 £25,400. 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 14 November 2027.

It has had one MOT, on 17 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 28,997 miles, which matches the advertised 29,844 miles.

Advertised mileage is about 3,800 miles lower 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, blue. Mileage: 30,116 miles. Price: £24,639, £761 less than this car. Dealer: Lookers Mercedes-Benz of Eastbourne in Eastbourne. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-c08c69943671
• 2023 Mercedes-Benz GLB AMG Line Executive, 2.0 diesel SUV, white. Mileage: 34,000 miles. Price: £22,990, £2,410 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, black. Mileage: 22,040 miles. Price: £26,494, £1,094 more than this car. Dealer: Lookers Mercedes-Benz of Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b6071cdbb01f