2023 Mercedes-Benz GLB 1.3 AMG Line Executive
Version: 1.3 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
Price: £26,250. Fair price: £571 (2%) over the AskCar estimate of £25,679, our expected asking price for this car from its model, age, mileage and specification, drawing on 877 priced Mercedes-Benz GLB adverts on AskCar as of 31 October 2026.
AskCar lists 885 used Mercedes-Benz GLB from 402 UK dealerships, as of 31 October 2026.
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)
- Mileage
- 20,134 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 1.3 L
- Gearbox
- Automatic
- Power
- 161 bhp
- Seats
- 7
- CO2
- 163 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- DCT
- Emissions standard
- Euro 6
About this car
This 2023 Mercedes-Benz GLB AMG Line Executive is advertised with 20,134 miles, approximately 13,900 below the typical mileage for its age. Its asking price of £26,250 is £571 above the AskCar estimate of £25,679. The AskCar estimate draws on 877 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. MOT records show an expiry date of 23 November 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Group Mercedes-Benz of Milton Keynes, based in Milton Keynes.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 30 October 2026, 1 day ago.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £26,250 |
| 31 October 2026 | £26,250 |
Price and mileage comparison
Fair price: £571 (2%) over the AskCar estimate of £25,679.
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 877 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 13,900 miles lower than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 23 November 2027. 20,075 miles at the last test.
Other matching cars
48 other 2023 Mercedes-Benz GLB AMG Line Executive automatic petrol cars are for sale at UK dealers from £17,500 to £27,495, as of 31 October 2026.
The 5 cheapest:
- 2023 Mercedes-Benz GLB. Price: £17,500. Mileage: 34,453 miles. Dealer: Revolve Collections in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-ca663ca2a0ae
- 2023 Mercedes-Benz GLB. Price: £19,995. Mileage: 33,000 miles. Dealer: Flint Green Motors in Hall Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-47b67843c47d
- 2023 Mercedes-Benz GLB. Price: £19,999. Mileage: 59,701 miles. Dealer: Prestige Car Supermarket in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-4f21a76bf7ea
- 2023 Mercedes-Benz GLB. Price: £19,999. Mileage: 81,000 miles. Dealer: Rangebrook in Nuneaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-708a158b1115
- 2023 Mercedes-Benz GLB. Price: £20,100. Mileage: 71,001 miles. Dealer: Sytner Select Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b63c458a2706
The 48 matching cars have covered 6,545 to 81,000 miles, compared with 20,134 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz GLB cars for sale · 2023 Mercedes-Benz GLB price guide
More like this
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.