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: 53,998 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 53,998 miles on the clock, this 2023 Mercedes-Benz GLB AMG Line Executive has done roughly 20,400 more miles than a typical 2023 Mercedes-Benz GLB. Priced at £21,795, it is advertised £204 below the AskCar estimate of £21,999. 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 £200 lower than when we first recorded the advert 10 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Mercedes-Benz of Coventry, based in Coventry. 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: £204 (under 1%) under the AskCar estimate of £21,999.

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 10 days.

Price history

AskCar first saw this advert on 29 October 2026 at £21,995. Its asking price is now £21,795, £200 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 29 October 2026: £21,995
• 2 November 2026: £21,790
• 7 November 2026: £21,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 27 March 2027.

It failed its MOT on 13 March 2026 (windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: front registration plate deteriorated but not likely to be misread.

Mileage at that test: 44,859 miles, which matches the advertised 53,998 miles.

Advertised mileage is about 20,400 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 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey. Mileage: 57,067 miles. Price: £21,880, £85 more than this car. Dealer: Stratstone Mercedes-Benz of Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-c508d04c485e
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 50,900 miles. Price: £21,996, £201 more than this car. Dealer: Solo Car Sales in Liverpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-250c14d7476b
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey. Mileage: 50,701 miles. Price: £22,449, £654 more than this car. Dealer: Lookers Mercedes-Benz of Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-fd9109a86b35

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, blue, 8 miles from this car. Mileage: 81,000 miles. Price: £19,999, £1,796 less than this car. Dealer: Rangebrook in Nuneaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-708a158b1115