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: 27,938 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 27,938 miles on the clock, this 2023 Mercedes-Benz GLB AMG Line Executive has done roughly 5,700 fewer miles than a typical 2023 Mercedes-Benz GLB. The dealer is asking £23,844, which is £1,081 below the AskCar estimate of £24,925. To work out the AskCar estimate, we analyse UK dealer adverts for 841 Mercedes-Benz GLB cars across different ages and specifications. We first recorded this advert 42 days ago, and its asking price has since fallen by £546. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Mercedes-Benz of Glasgow, based in Glasgow. 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: £1,081 (4%) under the AskCar estimate of £24,925.

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 42 days.

Price history

AskCar first saw this advert on 26 September 2026 at £24,390. Its asking price is now £23,844, £546 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 26 September 2026: £24,390
• 7 October 2026: £24,291
• 17 October 2026: £24,192
• 27 October 2026: £23,993
• 5 November 2026: £23,844

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 19 February 2027.

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

There were no advisories at the latest test.

Mileage at that test: 24,484 miles, which matches the advertised 27,938 miles.

Advertised mileage is about 5,700 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 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, black. Mileage: 27,889 miles. Price: £23,999, £155 more 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, white. Mileage: 26,816 miles. Price: £24,690, £846 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: 29,625 miles. Price: £25,500, £1,656 more than this car. Dealer: Sytner Group Mercedes-Benz of Swindon in Swindon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-2237fd05a731

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey, 11 miles from this car. Mileage: 61,074 miles. Price: £20,499, £3,345 less than this car. Dealer: Stratstone Mercedes-Benz Of Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-a0615c7234a1