Find a dealer
The AA
The AA
  • Used Cars
    Back Used Cars
    • Browse by Manufacturer
      Back Browse by Manufacturer
      • Audi
      • BMW
      • Citroen
      • Ford
      • Hyundai
      • Jaguar
      • Kia
      • Land Rover
      • Mercedes
      • MINI
      • Nissan
      • Peugeot
      • Porsche
      • Renault
      • Skoda
      • Toyota
      • Vauxhall
      • Volkswagen
      • Volvo
      • Browse by manufacturer
      • Search all used cars
    • Browse by Model
      Back Browse by Model
      • Audi A1
      • Audi A3
      • Audi Q5
      • BMW 3 Series
      • Fiat 500
      • Ford Fiesta
      • Ford Focus
      • Ford Kuga
      • Kia Sportage
      • Mercedes A Class
      • Mercedes C Class
      • MINI Hatch
      • Nissan Juke
      • Nissan Qashqai
      • Peugeot 208
      • Range Rover Evoque
      • Toyota Yaris
      • Vauxhall Astra
      • Vauxhall Corsa
      • Vauxhall Mokka
      • Volkswagen Golf
      • Volkswagen Polo
      • Volkswagen Tiguan
      • Search all used cars
    • Browse by Location
      Back Browse by Location
      • Birmingham
      • Bristol
      • Cardiff
      • Coventry
      • Edinburgh
      • Glasgow
      • Hull
      • Leeds
      • Leicester
      • Liverpool
      • London
      • Manchester
      • Newcastle
      • Norwich
      • Nottingham
      • Portsmouth
      • Reading
      • Sheffield
      • Southampton
      • Swindon
      • All locations
    • Browse by Body style
      Back Browse by Body style
      • SUVs
      • 7 Seaters
      • Sports cars
      • 4x4
      • Estates
      • Hatchbacks
      • Family cars
      • Convertibles
      • Coupes
      • Saloons
      • Luxury cars
      • People carriers
      • City cars
      • Superminis
      • Supercars
      • Executive cars
      • All bodystyles
    • Browse by Fuel type
      Back Browse by Fuel type
      • Used diesel cars
      • Used electric cars
      • Used hybrid cars
      • Used petrol cars
      • Used plug-in hybrid cars
    • Browse by Transmission
      Back Browse by Transmission
      • Used automatic cars
      • Used manual cars
    • Browse by Maximum price
      Back Browse by Maximum price
      • Used cars under £30,000
      • Used cars under £20,000
      • Used cars under £15,000
      • Used cars under £10,000
      • Used cars under £5,000
      • Used cars under £4,000
      • Used cars under £3,000
      • Used cars under £2,000
      • Used cars under £1,000
    • Browse by Engine size
      Back Browse by Engine size
      • 1.0 litre used cars
      • 1.2 litre used cars
      • 2.0 litre used cars
      • 3.0 litre used cars
      • 4.0 litre used cars
      • 5.0 litre used cars
    • Buying advice
      Back Buying advice
      • Best used 4x4 cars
      • Best used 7-seater cars
      • Best used electric cars
      • Best used estate cars
      • Best used family cars
      • Best used first cars
      • Best used fuel efficient cars
      • Best used hybrid cars
      • Best used second-hand cars
      • Best used small cars
      • Best used sports cars
      • Best used SUV cars
    • Car checks and delivery
      Back Car checks and delivery
      • Used vehicle inspection
      • Car history check
      • Vehicle delivery
  • Used Vans
    Back Used Vans
    • Browse by Manufacturer
      Back Browse by Manufacturer
      • Citroen
      • Fiat
      • Ford
      • Isuzu
      • Iveco
      • Mercedes
      • Mitsubishi
      • Nissan
      • Peugeot
      • Renault
      • Toyota
      • Vauxhall
      • Volkswagen
      • Search all used vans
    • Browse by Model
      Back Browse by Model
      • Citroen Dispatch
      • Citroen Relay
      • Ford Ranger
      • Ford Transit
      • Ford Transit Connect
      • Mercedes Sprinter
      • Mercedes Vito
      • Mitsubishi l200
      • Nissan Navara
      • Peugeot Boxer
      • Peugeot Expert
      • Peugeot Partner
      • Renault Kangoo
      • Renault Trafic
      • Toyota Hi Lux
      • Vauxhall Combo
      • Vauxhall Movano
      • Vauxhall Vivaro
      • Volkswagen Caddy
      • Volkswagen Crafter
      • Volkswagen Transporter
      • Search all used vans
    • Browse by Location
      Back Browse by Location
      • Birmingham
      • Bristol
      • Cardiff
      • Coventry
      • Edinburgh
      • Glasgow
      • Hull
      • Leeds
      • Leicester
      • Liverpool
      • London
      • Manchester
      • Newcastle
      • Norwich
      • Nottingham
      • Portsmouth
      • Reading
      • Sheffield
      • Southampton
      • Swindon
    • Browse by Bodystyle
      Back Browse by Bodystyle
      • Campervans
      • Combi vans
      • Dropside vans
      • High roof vans
      • Luton vans
      • Minibuses
      • Motorhomes
      • MPVs
      • Panel vans
      • Pickup trucks
      • Tipper vans
    • Browse by Fuel type
      Back Browse by Fuel type
      • Used diesel vans
      • Used electric vans
      • Used hybrid vans
      • Used petrol vans
      • Used plug-in hybrid vans
    • Browse by Transmission
      Back Browse by Transmission
      • Used automatic vans
      • Used manual vans
    • Van checks and delivery
      Back Van checks and delivery
      • Used vehicle inspection
      • Van history check
      • Vehicle delivery
  • Finance
    Back Finance
    • Car finance
    • Car finance calculator
    • Eligibility checker
    • Car finance explained
    • PCP car finance
    • HP car finance
    • Car loans
  • Leasing
    Back Leasing
    • Car leasing
      Back Car leasing
      • All car leasing
        • Search by make
        • Fiat
        • Hyundai
        • Nissan
        • Skoda
        • Vauxhall
        • Volkswagen
        • Search by type
        • Electric
        • Hybrid
        • Automatic
        • SUV
        • Hatchback
        • Estate
        • Search by price
        • Under £300
        • £300 - £400
        • £400 - £500
        • Above £500
    • Van leasing
      Back Van leasing
      • All van leasing
        • Search by make
        • Ford
        • Mercedes
        • Nissan
        • Peugeot
        • Renault
        • Volkswagen
        • Search by type
        • Luton vans
        • Crew vans
        • Pick-up vans
        • Tipper vans
        • Dropside vans
        • High-roof vans
        • Search by price
        • Under £300
        • £300 - £400
        • £400 - £500
        • Above £500
    • Business leasing
      Back Business leasing
      • All business leasing
    • Help and guides
      Back Help and guides
        • Leasing guides
        • How AA Lease works
        • What is a car lease
        • Pros and cons of leasing
        • Common lease misbeliefs
        • Returning your lease vehicle
        • View all leasing guides
        • Help
        • FAQs
        • Contact us
  • Sell
    Back Sell
    • Sell my car
    • Sell my van
    • Value my car
  • Aftercare
    Back Aftercare
    • Car warranty
    • Breakdown cover
    • Car insurance
    • Car servicing
    • MOT
    • Car smart care
  • Advice
    Back Advice
    • Buying a used car online
    • Car reviews
    • Buyers guides
    • Best cars
    • Driving advice
    • Owner reviews
  • Your account
  • Find a dealer
Free basic breakdown offer hanging from rear view mirror

Used Diesel Mercedes GLC Cars for sale

We have 457 Diesel Mercedes GLC cars in stock. All cars come with 12 months free breakdown cover (or a discounted upgrade if you're an AA member) and £75 off your next service & MOT.

Used Diesel Mercedes GLC in stock

  • Mercedes GLC GLC 300 D 4MATIC AMG LINE PREMIUM
    £21,400
    Mercedes-Benz GLC GLC 300 D 4MATIC AMG LINE PREMIUM
    • 2020
    • •
    • 87,338 miles
    • •
    • Diesel
    • •
    • Automatic
    Big Motoring World Wimbledon

    Icon - location pin London

  • Mercedes GLC GLC 220 D 4MATIC AMG LINE PREMIUM
    £28,700
    Mercedes-Benz GLC GLC 220 D 4MATIC AMG LINE PREMIUM
    • 2022
    • •
    • 35,080 miles
    • •
    • Diesel
    • •
    • Automatic
    Big Motoring World Wimbledon

    Icon - location pin London

  • Mercedes GLC 2.1 GLC220d AMG Line (Premium) Coupe G-Tronic 4MATIC Euro 6 (s/s
    £18,495
    Mercedes-Benz C Class 2.1 GLC220d AMG Line (Premium) Coupe G-Tronic 4MATIC Euro 6 (s/s
    • 2017
    • •
    • 86,500 miles
    • •
    • Diesel
    • •
    • Automatic
    Blue Moon Motors

    Icon - location pin London

  • Mercedes GLC 2.1 GLC220d AMG Line (Premium) G-Tronic 4MATIC Euro 6 (s/s) 5dr
    £15,989
    Mercedes-Benz GLC 2.1 GLC220d AMG Line (Premium) G-Tronic 4MATIC Euro 6 (s/s) 5dr
    • 2016
    • •
    • 68,000 miles
    • •
    • Diesel
    • •
    • Automatic
    Emaari Automotive Ltd

    Icon - location pin Croydon

  • Mercedes GLC 2.1 GLC220d AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr
    £16,400
    Mercedes-Benz GLC 2.1 GLC220d AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr
    • 2018
    • •
    • 73,213 miles
    • •
    • Diesel
    • •
    • Automatic
    Car Planet Barnet

    Icon - location pin London

  • Mercedes GLC 2.1 GLC220d Urban Edition G-Tronic+ 4MATIC Euro 6 (s/s) 5dr
    £18,950
    Mercedes-Benz GLC 2.1 GLC220d Urban Edition G-Tronic+ 4MATIC Euro 6 (s/s) 5dr
    • 2019
    • •
    • 42,151 miles
    • •
    • Diesel
    • •
    • Automatic
    Car Planet Barnet

    Icon - location pin London

View 457 vehicles

AA inspected Diesel Mercedes GLC for sale

  • Star icon This vehicle has passed an AA inspection

    AA finance available

    Mercedes GL Class GLC 350 D 4MATIC AMG LINE
    Mercedes GL Class GLC 350 D 4MATIC AMG LINE
    Mercedes GL Class GLC 350 D 4MATIC AMG LINE
    £15,995
    Mercedes GL Class GLC 350 D 4MATIC AMG LINE
    • 2018
    • •
    • 109,755 miles
    • •
    • Diesel
    • •
    • Automatic
    Easy Carz

    Icon - location pin Luton

  • Star icon This vehicle has passed an AA inspection
    Mercedes-Benz GLC 2.0 GLC220d AMG Line SUV 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s/s
    Mercedes-Benz GLC 2.0 GLC220d AMG Line SUV 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s/s
    Mercedes-Benz GLC 2.0 GLC220d AMG Line SUV 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s/s
    £27,195
    Mercedes-Benz GLC 2.0 GLC220d AMG Line SUV 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s/s
    • 2022
    • •
    • 33,400 miles
    • •
    • Diesel
    • •
    • Automatic
    V12 Sports and Classics

    Icon - location pin Hinckley

  • Star icon This vehicle has passed an AA inspection

    AA finance available

    MERCEDES-BENZ GLC 2.0 GLC220d AMG Line Coupe 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s
    MERCEDES-BENZ GLC 2.0 GLC220d AMG Line Coupe 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s
    MERCEDES-BENZ GLC 2.0 GLC220d AMG Line Coupe 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s
    £22,300
    MERCEDES-BENZ GLC 2.0 GLC220d AMG Line Coupe 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s
    • 2019
    • •
    • 67,319 miles
    • •
    • Diesel
    • •
    • Automatic
    Driven of York

    Icon - location pin Tadcaster

View 3 inspected
Icon - car with tick symbol

Want extra reassurance before buying?

Consider a pre-purchase vehicle inspection. An independent AA mechanic will check for any issues, helping you avoid costly surprises.

Book a vehicle inspection
Icon - car held in hand

Selling made easy with a free instant valuation

Enter your reg number below to get a valuation estimate from our trusted partner Motorway.

Please note: If you tap 'Get a valuation' you will be taken directly to the Motorway website.

Diesel Mercedes GLC from Manufacturer Approved Dealers

Vehicles inspected by the dealer to ensure they meet the manufacturer's standards
  • Mercedes GLC GLC 300d 4Matic AMG Line Premium 5dr 9G-Tronic
    £27,740
    Mercedes-Benz GLC GLC 300d 4Matic AMG Line Premium 5dr 9G-Tronic
    • 2021
    • •
    • 51,452 miles
    • •
    • Diesel
    • •
    • Semiauto
    Marshall Audi of Bexley

    Icon - location pin Bexley

  • Mercedes GLC GLC 300d 4Matic AMG Line Premium Pls 5dr 9G-Tronic
    £29,656
    Mercedes-Benz GLC GLC 300d 4Matic AMG Line Premium Pls 5dr 9G-Tronic
    • 2020
    • •
    • 30,253 miles
    • •
    • Diesel
    • •
    • Semiauto
    Marshall Audi of Coulsdon

    Icon - location pin Coulsdon

  • Star icon This vehicle has passed an AA inspection

    AA finance available

    Mercedes GLC GLC 350 D 4MATIC AMG LINE
    £15,995
    Mercedes GL Class GLC 350 D 4MATIC AMG LINE
    • 2018
    • •
    • 109,755 miles
    • •
    • Diesel
    • •
    • Automatic
    Easy Carz

    Icon - location pin Luton

  • Mercedes GLC GLC 250d 4Matic AMG Line Premium 5dr 9G-Tronic
    £20,587
    Mercedes-Benz GLC GLC 250d 4Matic AMG Line Premium 5dr 9G-Tronic
    • 2017
    • •
    • 47,770 miles
    • •
    • Diesel
    • •
    • Semiauto
    Marshall Nissan Maidstone

    Icon - location pin Maidstone

  • Mercedes GLC 2.1 GLC250d AMG Line (Premium Plus) SUV 5dr Diesel G-Tronic 4MAT
    £19,689
    Mercedes-Benz GLC 2.1 GLC250d AMG Line (Premium Plus) SUV 5dr Diesel G-Tronic 4MAT
    • 2017
    • •
    • 71,400 miles
    • •
    • Diesel
    • •
    • Automatic
    A6 Motors Limited

    Icon - location pin Bedford

  • Mercedes GLC GLC 250d 4Matic AMG Line 5dr 9G-Tronic
    £19,585
    Mercedes-Benz GLC GLC 250d 4Matic AMG Line 5dr 9G-Tronic
    • 2018
    • •
    • 52,300 miles
    • •
    • Diesel
    • •
    • Semiauto
    Marshall Volvo Milton Keynes

    Icon - location pin Milton Keynes

View 52 approved

Why buy through The AA

Car being carried icon
Trusted dealers only

All dealers have committed to AA Cars Standards to give you peace of mind.

Vehicle diagnosis icon
All vehicles checked

Vehicle history, MOT, mileage, accident and police reports are all checked - on every vehicle.

Vehicle repair icon
Exclusive AA offers

12 months free breakdown cover (or discounted upgrade if you're an AA member) and £75 off a Service & MOT. T&Cs apply.

  • Diesel Mercedes models in stock
    • Mercedes A Class
    • Mercedes B Class
    • Mercedes C Class
    • Mercedes CLA
    • Mercedes CLC
    • Mercedes CLK
    • Mercedes CLS
    • Mercedes E Class
    • Mercedes G Class
    • Mercedes GL Class
    • Mercedes GLA
    • Mercedes GLB
    • Mercedes GLE
    • Mercedes GLS
    • Mercedes M Class
    • Mercedes R Class
    • Mercedes S Class
    • Mercedes SL
    • Mercedes SLC
    • Mercedes SLK
    • Mercedes V Class
    • Mercedes Viano
    • Used Mercedes
    • Mercedes Dealers
    • Other SUVs
  • Other Mercedes GLC fuel types in stock
    • Petrol Mercedes GLC
    • Hybrid Mercedes GLC
    • Plug-in Hybrid Mercedes GLC

Connect with us

Facebook X YouTube LinkedIn
  1. Used Cars >
  2. Diesel >
  3. Mercedes >
  4. GLC
For customers
  • Customer terms & conditions
  • Our dealers
  • Motoring advice
  • Car delivery
  • Why AA Cars
  • Customer data request form
For dealers
  • Car dealer terms & conditions
  • AA Cars Standards code (trade)
  • Advertise with us
Other
  • Contact us
  • About us
  • Privacy notice
  • Cookie policy
  • Sitemap
Vehicle Inspections

The AA recommends an AA Cars Vehicle Inspection before purchase. Not all cars are mechanically checked by the AA.

  • Vehicle Inspection
  • theAA.com
© AA Cars 2026  | Company No. 4546950  |  VAT No. 188 0311 10