2023 Mercedes-Benz GLB 1.3 GLB200 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Executive
• Version: 1.3 GLB200 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
• Year: 2023
• Mileage: 39,900 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 39,900 miles, this 2023 Mercedes-Benz GLB AMG Line Executive has covered about 6,300 more miles than other 2023 Mercedes-Benz GLB cars. The dealer is asking £21,990, which is £145 below the AskCar estimate of £22,135. To work out the AskCar estimate, we analyse UK dealer adverts for 841 Mercedes-Benz GLB cars across different ages and specifications. We first saw this car advertised 163 days ago. Its asking price has since fallen by £1,700. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at UK Wheels in Edgware. 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: £145 (under 1%) under the AskCar estimate of £22,135.

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 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £23,690. Its asking price is now £21,990, £1,700 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 May 2026: £23,690
• 7 October 2026: £22,990
• 23 October 2026: £22,690
• 3 November 2026: £21,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 1 March 2027.

It has had one MOT, on 7 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 38,455 miles, which matches the advertised 39,900 miles.

Advertised mileage is about 6,300 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, blue. Mileage: 40,000 miles. Price: £22,190, £200 more 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, white. Mileage: 39,162 miles. Price: £23,998, £2,008 more than this car. Dealer: Arnold Clark Preston Motorstore / BYD in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-58aaea99c093
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey. Mileage: 38,100 miles. Price: £23,450, £1,460 more than this car. Dealer: SKV Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b75603e05100

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, blue, 4 miles from this car. Mileage: 58,042 miles. Price: £21,000, £990 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-d6e884bd9808