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: 71,001 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 71,001 miles, this 2023 Mercedes-Benz GLB AMG Line Executive has covered about 37,400 more miles than other 2023 Mercedes-Benz GLB cars. The AskCar estimate for this car is £19,837. It is priced at £19,800, which is £37 below that estimate. The AskCar estimate uses 822 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 71 days ago, and its asking price has since fallen by £1,400. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Bristol, based in Bristol. 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: £37 (under 1%) under the AskCar estimate of £19,837.

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 71 days.

Price history

AskCar first saw this advert on 29 August 2026 at £21,200. Its asking price is now £19,800, £1,400 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 29 August 2026: £21,200
• 5 September 2026: £20,900
• 19 September 2026: £20,700
• 3 October 2026: £20,500
• 16 October 2026: £20,300
• 24 October 2026: £20,100
• 7 November 2026: £19,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 16 March 2027.

It failed its MOT on 13 March 2026 (nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively; nearside front tyre tread depth below requirements of 1.6mm) and passed 4 days later, on 17 March 2026.

Advisories at the latest test: nearside rear inner brake pad(s) wearing thin; offside rear inner brake pad(s) wearing thin.

Mileage at that test: 67,374 miles, which matches the advertised 71,001 miles.

Advertised mileage is about 37,400 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, white. Mileage: 68,722 miles. Price: £20,895, £1,095 more than this car. Dealer: JCT600 Mercedes-Benz of Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b503c46b696c
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, grey. Mileage: 68,354 miles. Price: £20,895, £1,095 more than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-c40ab8b671da
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 62,390 miles. Price: £20,814, £1,014 more than this car. Dealer: Lookers Mercedes-Benz of Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-953a82748fc2

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white, under a mile from this car. Mileage: 61,738 miles. Price: £20,400, £600 more than this car. Dealer: Sytner Select Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-785cc2a7b91b