2023 Mercedes-Benz GLB 1.3 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Executive
• Version: 1.3 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
• Year: 2023
• Mileage: 26,816 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

With 26,816 miles on the clock, this 2023 Mercedes-Benz GLB AMG Line Executive has done roughly 6,800 fewer miles than a typical 2023 Mercedes-Benz GLB. Priced at £24,690, it is advertised £399 below the AskCar estimate of £25,089. 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 recorded this advert 14 days ago, and its asking price has since fallen by £260. Its advertised mileage matches the government's MOT record. It is advertised by Group 1 Automotive Mercedes-Benz Of Norwich in Heigham Street. 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: £399 (1%) under the AskCar estimate of £25,089.

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 14 days.

Price history

AskCar first saw this advert on 25 October 2026 at £24,950. Its asking price is now £24,690, £260 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 25 October 2026: £24,950
• 1 November 2026: £24,795
• 6 November 2026: £24,690

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 6 September 2027.

It has had one MOT, on 7 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 25,734 miles, which matches the advertised 26,816 miles.

Advertised mileage is about 6,800 miles lower 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, black. Mileage: 27,144 miles. Price: £24,398, £292 less than this car. Dealer: Lookers Mercedes-Benz of Eastbourne in Eastbourne. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-bd425d2cc5cf
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 25,866 miles. Price: £25,523, £833 more than this car. Dealer: LSH Auto Mercedes-Benz of Tamworth in Tamworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-f72d3ece869f
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, black. Mileage: 27,889 miles. Price: £23,999, £691 less than this car. Dealer: Dawn Motors in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-8b7204a9fca6

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey, 35 miles from this car. Mileage: 44,091 miles. Price: £22,695, £1,995 less than this car. Dealer: John Banks Honda Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-e6f323f5aaf6