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: 39,162 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

At 39,162 miles, this 2023 Mercedes-Benz GLB AMG Line Executive has covered about 5,600 more miles than other 2023 Mercedes-Benz GLB cars. Priced at £23,998, it is advertised £367 above the AskCar estimate of £23,631. The AskCar estimate uses UK dealer asking prices, including 841 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 71 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Preston Motorstore / BYD, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £367 (1%) over the AskCar estimate of £23,631.

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 841 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 7 November 2026.

A 2023 Mercedes-Benz GLB with the 1.3 petrol engine is typically advertised at £24,500: the median of the 121 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 28 August 2026 at £25,998. Its asking price is now £23,998, £2,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 August 2026: £25,998
• 29 August 2026: £24,998
• 3 November 2026: £23,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 9 March 2027.

It has had one MOT, on 10 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 36,190 miles, which matches the advertised 39,162 miles.

Advertised mileage is about 5,600 miles higher 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 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 39,900 miles. Price: £21,990, £2,008 less than this car. Dealer: UK Wheels in Edgware. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-5458b6f40eeb
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, blue. Mileage: 40,000 miles. Price: £22,190, £1,808 less than this car. Dealer: GTS Automotive in Osbaldeston. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-9e43541c77c4
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey. Mileage: 38,100 miles. Price: £23,450, £548 less than this car. Dealer: SKV Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b75603e05100