Sort

Compare prices on 24 used Mercedes GLC300 cars in Chelmsford

Market overview: Which used Mercedes GLC300 cars offer good value in Chelmsford? In November-2026, compare 24 local listings, with prices from £21,412. AutoUncle rates 7 listings below the estimated market price. Compare mileage, specification and distance alongside the asking price to decide which cars are worth viewing.

Featured deals

Become a verified dealer

Carwow

Used Mercedes GLC300 AMG line 269 HP (197 kW) 2023 Black SUV

(2023) Mercedes GLC300 AMG line 269 HP

Fair price

You save £1,000

CM1 3BH Essex, Essex

150 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2023 Blue Coupe

(2023) Mercedes GLC300 AMG line 258 HP

Fair price

CM1 3BH Essex, Essex

164 g CO2/km comb. - 258 HP (189 kW) - 7.2 Mpg

Carwow

Used Mercedes GLC300 AMG line 269 HP (197 kW) 2024 Blue SUV

(2024) Mercedes GLC300 AMG line 269 HP

Fair price

Estimated price £39,738

RM20 3WJ Thurrock, Essex

150 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2023 Black SUV

(2023) Mercedes GLC300 AMG line 258 HP

Fair price

Estimated price £31,585

CO3 8PH Stanway, Essex

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Sort

-4%

1 / 4

Used (2025) Mercedes GLC300 AMG Line Premium 269 HP | Good price

GLC 2025 AMG Line 4Matic 9G-Tr

2025
19,720 miles
Trim level: AMG Line Premium
2.0L Diesel
SUV
Automatic
269 HP (197 kW)
CO2 emissions: 150 g CO2/km comb.
5.7 mpg
Details

Good price

£39,050

£41,000

CM1 3BH Essex, Essex

Availability verified

-3%

1 / 4

Used (2023) Mercedes GLC300 AMG Line Premium 258 HP | Good price

GLC 2023 AMG Line 4Matic 9G-Tr

2023
7,012 miles
Trim level: AMG Line Premium
2.0L Petrol
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 171 g CO2/km comb.
7.4 mpg
Details

Good price

£36,500

£38,000

CM1 3BH Essex, Essex

Availability verified

-9%

1 / 1

Used (2023) Mercedes GLC300 AMG line 258 HP | Super price

4Matic 5dr 9G-Tronic

2023
55,540 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 193 g CO2/km comb.
8.5 mpg
Details

Super price

£24,200

£26,850

CM1 3BH Essex, Essex

Availability verified

-8%

1 / 4

Used (2020) Mercedes GLC300 AMG Line Premium 245 HP | Super price

GLC 2.0 AMG Line (Premium) SUV 5dr

2020
43,640 miles
Trim level: AMG Line Premium
2.0L Diesel
SUV
Automatic
245 HP (180 kW)
CO2 emissions: 173 g CO2/km comb.
42.2 mpg
Details

Super price

£22,400

£24,550

CM1 3BH Essex, Essex

Availability verified

Featured deals

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2023 Grey SUV

(2023) Mercedes GLC300 AMG line 258 HP

Fair price

You save £1,310

SS6 7FY Essex, Essex

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2023 Black SUV

(2023) Mercedes GLC300 AMG line 258 HP

Fair price

SS6 7FY Essex, Essex

171 g CO2/km comb. - 258 HP (189 kW) - 7.4 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2023 Black Coupe

(2023) Mercedes GLC300 AMG line 258 HP

Super price

You save £4,940

CM5 0ER Magdalen Laver, Essex

193 g CO2/km comb. - 258 HP (189 kW) - 8.5 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2024 Grey SUV

(2024) Mercedes GLC300 AMG line 258 HP

Fair price

You save £1,255

CO3 8PH Stanway, Essex

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

-1%

1 / 4

Used (2020) Mercedes GLC300 AMG line 245 HP | Good price

GLC 2020 AMG Line 4Matic 9G-Tr

2020
35,598 miles
Trim level: AMG line
2.0L Diesel
SUV
Automatic
245 HP (180 kW)
CO2 emissions: 173 g CO2/km comb.
6.6 mpg
Details

Good price

£25,250

£25,690

CM2 5EF Springfield, Essex

Availability verified

New

1 / 4

Used (2022) Mercedes GLC300 AMG line 254 HP | Super price

2022
46,592 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
254 HP (186 kW)
Details

Super price

£25,650

Exchange and Mart

Essex, Essex

New

1 / 4

Used (2023) Mercedes GLC300 AMG line 254 HP | Good price

2023
35,325 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
254 HP (186 kW)
Details

Good price

£30,760

Exchange and Mart

Essex, Essex

-1%

1 / 4

Used (2023) Mercedes GLC300 AMG line 258 HP | Fair price

GLC Coupe 2023 AMG Line 4Matic

2023
18,369 miles
Trim level: AMG line
2.0L Petrol
Coupe
Automatic
258 HP (189 kW)
CO2 emissions: 164 g CO2/km comb.
7.2 mpg
Details

Fair price

£38,450

£39,000

CM1 3BH Essex, Essex

Availability verified

New

1 / 4

Used (2021) Mercedes GLC300 AMG Line Premium 245 HP | Fair price

GLC 4Matic AMG Line Premium Pls

2021
35,300 miles
Trim level: AMG Line Premium
2.0L Diesel
SUV
Automatic
245 HP (180 kW)
CO2 emissions: 174 g CO2/km comb.
6.6 mpg
Details

Fair price

£28,995

CM2 5EF Springfield, Essex

Availability verified

-7%

1 / 4

Used (2023) Mercedes GLC300 AMG line 269 HP | Fair price

GLC 2023 AMG Line 4Matic 9G-Tr

2023
27,370 miles
Trim level: AMG line
2.0L Diesel
SUV
Automatic
269 HP (197 kW)
CO2 emissions: 150 g CO2/km comb.
5.7 mpg
Details

Fair price

£34,500

£37,250

CM1 3BH Essex, Essex

Availability verified

Featured deals

Carwow

Used Mercedes GLC300 AMG line 269 HP (197 kW) 2024 Blue SUV

(2024) Mercedes GLC300 AMG line 269 HP

Fair price

CM2 5EF Springfield, Essex

150 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2025 Blue SUV

(2025) Mercedes GLC300 AMG line 258 HP

Fair price

You save £1,100

CM1 3BH Essex, Essex

171 g CO2/km comb. - 258 HP (189 kW) - 7.4 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 269 HP (197 kW) 2025 Silver SUV

(2025) Mercedes GLC300 AMG Line Premium 269 HP

Good price

You save £2,250

CM1 3BH Essex, Essex

150 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

Carwow

Used Mercedes GLC300 AMG line 269 HP (197 kW) 2024 Black SUV

(2024) Mercedes GLC300 AMG line 269 HP

Fair price

You save £1,400

CM1 3BH Essex, Essex

150 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

-9%

1 / 4

Used (2024) Mercedes GLC300 AMG line 269 HP | Fair price

GLC 2024 AMG Line 4Matic 9G-Tr

2024
26,041 miles
Trim level: AMG line
2.0L Diesel
SUV
Automatic
269 HP (197 kW)
CO2 emissions: 150 g CO2/km comb.
5.7 mpg
Details

Fair price

£36,490

£40,150

CM2 5EF Springfield, Essex

Availability verified

1 / 4

Used (2024) Mercedes GLC300 AMG line 269 HP | Fair price

GLC 2024 AMG Line 4Matic 9G-Tr

2024
19,854 miles
Trim level: AMG line
2.0L Diesel
SUV
Automatic
269 HP (197 kW)
CO2 emissions: 150 g CO2/km comb.
5.7 mpg
Details

Fair price

£37,000

CM1 3BH Essex, Essex

Availability verified

-1%

1 / 4

Used (2025) Mercedes GLC300 AMG line 258 HP | Fair price

GLC 2025 AMG Line 4Matic 9G-Tr

2025
13,248 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 171 g CO2/km comb.
7.4 mpg
Details

Fair price

£41,000

£41,700

CM1 3BH Essex, Essex

Availability verified

1 / 4

Used (2023) Mercedes GLC300 AMG line 280 HP | Fair price

2023
48,884 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
280 HP (205 kW)
Details

Fair price

£31,000

Exchange and Mart

Essex, Essex

1 / 4

Used (2023) Mercedes GLC300 AMG line | Fair price

2023
59,772 miles
Trim level: AMG line
2.0L Electric/Petrol
SUV
Automatic
Details

Fair price

£29,000

Exchange and Mart

Essex, Essex

New

1 / 4

Used (2023) Mercedes GLC300 AMG Line Premium 254 HP | Fair price

2023
11,787 miles
Trim level: AMG Line Premium
2.0L Petrol
SUV
Automatic
254 HP (186 kW)
Details

Fair price

£38,940

Exchange and Mart

Essex, Essex

New

Used (2024) Mercedes GLC300 AMG line 258 HP | A bit pricey

GLC 2025 AMG Line 4Matic AMG Line

2024
2,233 miles
Trim level: AMG line
3.0L Petrol
Estate
Automatic
258 HP (189 kW)
CO2 emissions: 168 g CO2/km comb.
7.3 mpg
Details

A bit pricey

£41,990

CM2 5EF Springfield, Essex

Availability verified

1 / 4

Used (2024) Mercedes GLC300 Urban 335 HP | A bit pricey

2024
20,798 miles
Trim level: Urban
2.0L Electric/Petrol
SUV
Automatic
335 HP (246 kW)
Details

A bit pricey

£35,600

Exchange and Mart

Essex, Essex

-1%

1 / 4

Used (2025) Mercedes GLC300 AMG line 269 HP | Expensive

GLC 4Matic AMG Line Prem Plus 5dr

2025
6,232 miles
Trim level: AMG line
2.0L Diesel
Coupe
Automatic
269 HP (197 kW)
CO2 emissions: 147 g CO2/km comb.
5.6 mpg
Details

Expensive

£51,550

£52,250

CM1 3BH Essex, Essex

Availability verified

-6%

1 / 4

Used (2023) Mercedes GLC300 AMG line 269 HP | Expensive

GLC Coupe 4Matic AMG Line Prem

2023
22,207 miles
Trim level: AMG line
2.0L Diesel
Coupe
Automatic
269 HP (197 kW)
CO2 emissions: 147 g CO2/km comb.
50.4 mpg
Details

Expensive

£43,000

£45,750

CM1 3BH Essex, Essex

Availability verified

Featured deals

Carwow

Used Mercedes GLC300 AMG Line Premium 258 HP (189 kW) 2023 Blue SUV

(2023) Mercedes GLC300 AMG Line Premium 258 HP

Good price

You save £2,200

CM1 3BH Essex, Essex

171 g CO2/km comb. - 258 HP (189 kW) - 7.4 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2021 White SUV

(2021) Mercedes GLC300 AMG Line Premium 245 HP

Fair price

Estimated price £28,925

CM2 5EF Springfield, Essex

174 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2025 Blue Coupe

(2025) Mercedes GLC300 AMG line 258 HP

Fair price

Estimated price £45,586

RM20 3WJ Thurrock, Essex

164 g CO2/km comb. - 258 HP (189 kW) - 7.2 Mpg

Carwow

Used Mercedes GLC300 AMG line 245 HP (180 kW) 2020 Blue SUV

(2020) Mercedes GLC300 AMG line 245 HP

Good price

You save £1,350

CM2 5EF Springfield, Essex

173 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

1 / 4

Used (2022) Mercedes GLC300 AMG Line Premium 315 HP | Expensive

2022
44,574 miles
Trim level: AMG Line Premium
2.0L Electric/Petrol
SUV
Automatic
315 HP (231 kW)
Details

Expensive

£27,780

Exchange and Mart

Essex, Essex

-2%

1 / 4

Used (2023) Mercedes GLC300 AMG line 258 HP

GLC 2023 AMG Line 4Matic 9G-Tr

2023
54,455 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 167 g CO2/km comb.
7.3 mpg
Details

£36,100

£37,000

Not evaluated

CM1 3BH Essex, Essex

Availability verified

-3%

1 / 4

Used (2023) Mercedes GLC300 AMG line 258 HP

GLC 2023 AMG Line 4Matic 9G-Tr

2023
43,845 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 167 g CO2/km comb.
7.3 mpg
Details

£37,999

£39,490

Not evaluated

CM2 5EF Springfield, Essex

Availability verified

1 / 4

New (2026) Mercedes GLC300 AMG line 258 HP

- GLC Coupe 4Matic AMG Line 5dr

2026
0 miles
Trim level: AMG line
2.0L Petrol
Coupe
Automatic
258 HP (189 kW)
CO2 emissions: 164 g CO2/km comb.
7.2 mpg
Details

£60,485

Not evaluated

CM25EF, Essex

Availability verified

-1%

1 / 4

Used (2021) Mercedes GLC300 AMG line 254 HP

2021
50,125 miles
Trim level: AMG line
2.0L Petrol
SUV
Automatic
254 HP (186 kW)
Details

£20,988

£21,288

Not evaluated

Exchange and Mart

Essex, Essex

Featured deals

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2022 Grey SUV

(2022) Mercedes GLC300 AMG line 258 HP

Good price

You save £1,750

CM5 0ER Magdalen Laver, Essex

191 g CO2/km comb. - 258 HP (189 kW) - 8.3 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2020 Silver SUV

(2020) Mercedes GLC300 AMG Line Premium 245 HP

Super price

You save £3,500

CM1 3BH Essex, Essex

173 g CO2/km comb. - 245 HP (180 kW) - 42.2 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2020 Black SUV

(2020) Mercedes GLC300 AMG Line Premium 245 HP

Fair price

Estimated price £21,241

CO3 8PH Stanway, Essex

173 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

Carwow

Used BMW X5 M Sport 286 HP (210 kW) 2022 Grey SUV

(2022) BMW X5 M Sport 286 HP

Fair price

You save £1,100

CM1 3BH Essex, Essex

186 g CO2/km comb. - 286 HP (210 kW) - 6.6 Mpg

Showing 1 - 25 of 27 results

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See Mercedes GLC300 in Essex

Mercedes GLC300 Essex (48)