2018 Mercedes-Benz GLC 3.0
Version: 3.0 Auto 4dr
Price: £14,495. Fair price: £994 (6%) under the AskCar estimate of £15,489, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,819 priced Mercedes-Benz GLC adverts on AskCar as of 30 October 2026.
AskCar lists 2,853 used Mercedes-Benz GLC from 1,159 UK dealerships, as of 30 October 2026.
Overview
- Make
- Mercedes-Benz
- Model
- GLC
- Version
- 3.0 Auto 4dr
- Mileage
- 109,000 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Coupe
- Engine
- 3.0 L
- Gearbox
- Automatic
- CO2
- 169 g/km
- Colour
- Blue
- Doors
- 4
About this car
This 2018 Mercedes-Benz GLC has covered 109,000 miles. The AskCar estimate for this car is £15,489. It is priced at £14,495, which is £994 below that estimate. The AskCar estimate uses 2,819 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The latest MOT recorded 109,847 miles, above the advertised mileage. Check this with the dealer. Its MOT is recorded as valid until 19 October 2027. The seller is Autostrada, based in North Somerset.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £14,495 |
Price and mileage comparison
Fair price: £994 (6%) under the AskCar estimate of £15,489.
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 2,819 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 37,000 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.
Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.
MOT
MOT: valid until 19 October 2027. 109,847 miles at the last test.
Other matching cars
6 other 2018 Mercedes-Benz GLC automatic diesel cars are for sale at UK dealers from £13,495 to £21,495, as of 30 October 2026.
The 5 cheapest:
- 2018 Mercedes-Benz GLC. Price: £13,495. Mileage: 123,376 miles. Dealer: GB Car Sales in Leicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-fdd286dc5491
- 2018 Mercedes-Benz GLC. Price: £15,400. Mileage: 85,000 miles. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-012b6dd981b6
- 2018 Mercedes-Benz GLC. Price: £16,950. Mileage: 93,299 miles. Dealer: Staffordshire Car Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-4df31d9cf14e
- 2018 Mercedes-Benz GLC. Price: £17,995. Mileage: 61,160 miles. Dealer: MH UK Motors in Stanford-le-Hope. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-810c175edfc6
- 2018 Mercedes-Benz GLC. Price: £19,995. Mileage: 68,774 miles. Dealer: Autogalleria Harpenden in Harpenden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-d9162045c5f5
The 6 matching cars have covered 50,626 to 123,376 miles, compared with 109,000 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 GLC cars for sale · 2018 Mercedes-Benz GLC price guide
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Photos
172 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.