2021 Mercedes-Benz GLB

1.3 GLB200 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 2) 7G (161 bhp)

£20,995

Fair price: within 8% of the typical £22,505 for this model, age and mileage, drawing on 876 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLB
Trim
AMG LINE PREMIUM
Version
1.3 GLB200 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 2) 7G (161 bhp)
Mileage
38,019 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
1.3 L
Gearbox
Automatic
Power
161 bhp
Seats
7
CO2
163 g/km
Colour
Red
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
DCT
Engine badge
GLB200
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium is advertised with 38,019 miles, approximately 5,100 below the typical mileage for its age. At £20,995, it is advertised £1,510 below our estimated market asking price of £22,505. We use UK dealer asking prices, including 876 Mercedes-Benz GLB listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 67 days ago, the asking price has dropped by £1,825. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 12 August 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Swansway Garages Swansway Honda Stockport, based in Stockport.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 August 2026, 67 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,825 from the first recorded £22,820. 8 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
20 August 2026£22,820
27 August 2026£22,575
9 September 2026£22,345
10 September 2026£22,495
11 September 2026£21,995
18 September 2026£21,945
25 September 2026£21,745
8 October 2026£21,645
13 October 2026£21,495
20 October 2026£20,995
23 October 2026£20,995

Price and mileage comparison

Estimated market asking price: £22,505. The asking price is £1,510 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 876 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,100 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 August 2027. 36,826 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £18,699 to £24,290.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£18,69971,049 miles
£18,75092,677 miles
£19,99551,400 miles
£19,99510,000 miles
£20,49560,500 miles

These cars have covered 10,000–92,677 miles, compared with 38,019 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz GLB cars for sale · 2021 Mercedes-Benz GLB price guide

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