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: 27,144 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 27,144 miles, this 2023 Mercedes-Benz GLB AMG Line Executive has covered about 6,500 fewer miles than other 2023 Mercedes-Benz GLB cars. The dealer is asking £24,398, which is £660 below the AskCar estimate of £25,058. To work out the AskCar estimate, we analyse UK dealer adverts for 822 Mercedes-Benz GLB cars across different ages and specifications. The asking price is now £801 lower than when we first recorded the advert 29 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Lookers Mercedes-Benz of Eastbourne in Pevensey. 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: £660 (2%) under the AskCar estimate of £25,058.

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 29 days.

Price history

AskCar first saw this advert on 10 October 2026 at £25,199. Its asking price is now £24,398, £801 less. The latest price cut was seen on 8 November 2026.

Price changes recorded:

• 10 October 2026: £25,199
• 20 October 2026: £24,791
• 27 October 2026: £24,650
• 29 October 2026: £24,400
• 8 November 2026: £24,398

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 30 July 2027.

It has had one MOT, on 31 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 26,252 miles, which matches the advertised 27,144 miles.

Advertised mileage is about 6,500 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, white. Mileage: 26,816 miles. Price: £24,690, £292 more than this car. Dealer: Group 1 Automotive Mercedes-Benz Of Norwich in Norwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-036cfad40c80
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, black. Mileage: 27,889 miles. Price: £23,999, £399 less than this car. Dealer: Dawn Motors in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-8b7204a9fca6
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, blue. Mileage: 27,938 miles. Price: £23,844, £554 less than this car. Dealer: Stratstone Mercedes-Benz of Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-ef454dcdef0e

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, red, 11 miles from this car. Mileage: 62,000 miles. Price: £21,495, £2,903 less than this car. Dealer: The Garage On The Green in Hastings. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-a1a5fbfe94f9