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: 27,889 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

This 2023 Mercedes-Benz GLB AMG Line Executive is advertised with 27,889 miles, approximately 5,700 below the typical mileage for its age. Its asking price of £23,999 is £931 below the AskCar estimate of £24,930. To work out the AskCar estimate, we analyse UK dealer adverts for 841 Mercedes-Benz GLB cars across different ages and specifications. It first appeared in our advert records 21 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Dawn Motors in Canterbury. 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: £931 (3%) under the AskCar estimate of £24,930.

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 21 days.

Price history

AskCar first saw this advert on 17 October 2026 at £23,999. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 26 March 2027.

It has had one MOT, on 2 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,550 miles, which matches the advertised 27,889 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, blue. Mileage: 27,938 miles. Price: £23,844, £155 less than this car. Dealer: Stratstone Mercedes-Benz of Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-ef454dcdef0e
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 26,816 miles. Price: £24,690, £691 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, £1,501 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, white, 14 miles from this car. Mileage: 61,530 miles. Price: £21,559, £2,440 less than this car. Dealer: Lookers Mercedes-Benz of Ashford in Ashford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-3ae842440646