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Used Mercedes natural gas (LNG, CNG) • 8 listings compared on price

Market overview: Market overview for used Mercedes natural gas (LNG, CNG) (October-2026): AutoUncle has price-compared 8 used Mercedes natural gas (LNG, CNG) vehicles from 40 dealer sites. The three most popular models are currently Mercedes CLS300, Mercedes CLS400, with prices ranging from £26,146 to £30,632 and a median price of £28,500. The most common body type is coupe. AutoUncle has identified 0 cars currently listed below expected market value, and 50.0% of listings have had a price reduction in the last 30 days (largest saving: £5,968). The average selling time for a used Mercedes natural gas (LNG, CNG) is 8 days. (Source: AutoUncle market data, October-2026)

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Used Mercedes CLS400 AMG line 330 HP (242 kW) 2021 Grey Coupe

Natural gas (LNG, CNG)

(2021) Mercedes CLS400 AMG line 330 HP

Rare vehicle

BL9 9ST Blackford Bridge, Manchester

191 g CO2/km comb. - 330 HP (242 kW) - 7.3 Mpg

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Used Mercedes CLS300 AMG line 265 HP (194 kW) 2022 Grey Sedan

Natural gas (LNG, CNG)

(2022) Mercedes CLS300 AMG line 265 HP

Rare vehicle

CM1 3BH Essex, Essex

168 g CO2/km comb. - 265 HP (194 kW) - 6.4 Mpg

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Used Mercedes CLS400 AMG line 330 HP (242 kW) 2021 Grey Coupe

Natural gas (LNG, CNG)

(2021) Mercedes CLS400 AMG line 330 HP

Rare vehicle

CW73AL Cheshire West And Chester, Cheshire

191 g CO2/km comb. - 330 HP (242 kW) - 7.3 Mpg

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-13%

1 / 4

Used (2021) Mercedes CLS400 AMG line 330 HP | Rare vehicle

CLS 4Matic AMG Line Ngt Ed Pr +

2021
55,680 miles
Trim level: AMG line
2.9L Natural gas (LNG, CNG)
Coupe
Automatic
330 HP (242 kW)
CO2 emissions: 191 g CO2/km comb.
7.3 mpg
Details

£25,999

£29,899

Rare vehicle

CW73AL Cheshire West And Chester, Cheshire

Availability verified

1 / 4

Used (2022) Mercedes CLS300 AMG line 265 HP | Rare vehicle

CLS 2022 AMG Line Night Edition

2022
52,477 miles
Trim level: AMG line
2.0L Natural gas (LNG, CNG)
Sedan
Automatic
265 HP (194 kW)
CO2 emissions: 168 g CO2/km comb.
6.4 mpg
Details

£28,500

Rare vehicle

CM1 3BH Essex, Essex

Availability verified

-16%

1 / 3

Used (2021) Mercedes CLS400 AMG line 330 HP | Rare vehicle

CLS 2.9 AMG Line Night Edition

2021
35,192 miles
Trim level: AMG line
2.9L Natural gas (LNG, CNG)
Coupe
Automatic
330 HP (242 kW)
CO2 emissions: 191 g CO2/km comb.
7.3 mpg
Details

£30,975

£37,075

Rare vehicle

BL9 9ST Blackford Bridge, Manchester

Availability verified

-1%

1 / 4

Used (2021) Mercedes CLS400 AMG line 325 HP | Rare vehicle

CLS 2.9 AMG Line Night Edition

2021
67,982 miles
Trim level: AMG line
2.9L Natural gas (LNG, CNG)
Coupe
Automatic
325 HP (239 kW)
CO2 emissions: 191 g CO2/km comb.
38.7 mpg
Details

£28,495

£28,995

Rare vehicle

Exchange and Mart

NG7 2GA Lenton, Nottinghamshire

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Carwow

Used Mercedes CLS300 AMG line 265 HP (194 kW) 2022 Grey Sedan

Natural gas (LNG, CNG)

(2022) Mercedes CLS300 AMG line 265 HP

Rare vehicle

CM1 3BH Essex, Essex

168 g CO2/km comb. - 265 HP (194 kW) - 6.4 Mpg

Carwow

Used Mercedes CLS400 AMG line 330 HP (242 kW) 2021 Grey Coupe

Natural gas (LNG, CNG)

(2021) Mercedes CLS400 AMG line 330 HP

Rare vehicle

CW73AL Cheshire West And Chester, Cheshire

191 g CO2/km comb. - 330 HP (242 kW) - 7.3 Mpg

Carwow

Used Mercedes CLS400 AMG line 330 HP (242 kW) 2021 Grey Coupe

Natural gas (LNG, CNG)

(2021) Mercedes CLS400 AMG line 330 HP

Rare vehicle

BL9 9ST Blackford Bridge, Manchester

191 g CO2/km comb. - 330 HP (242 kW) - 7.3 Mpg

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1 / 1

Used (2021) Mercedes CLS400 AMG line | Rare vehicle

4Matic AMG Line Ngt Ed Pr + 4dr

2021
54,761 miles
Trim level: AMG line
2.9L Natural gas (LNG, CNG)
Coupe
Automatic
Details

£26,420

£27,020

Rare vehicle

Dealer

London, London

1 / 1

Used (2022) Mercedes CLS300 AMG line | Rare vehicle

CLS 4Matic AMG Line Ngt Ed Pr +

2022
52,477 miles
Trim level: AMG line
2.0L Natural gas (LNG, CNG)
Coupe
Automatic
Details

£28,500

Rare vehicle

Dealer

London, London

1 / 1

Used (2021) Mercedes CLS300 AMG line | Rare vehicle

CLS 4Matic AMG Line Ngt Ed Pr +

2021
27,926 miles
Trim level: AMG line
2.0L Natural gas (LNG, CNG)
Coupe
Automatic
Details

£29,995

Rare vehicle

Dealer

London, London

1 / 1

Used (2021) Mercedes CLS300 AMG line 261 HP | Rare vehicle

CLS 4Matic AMG Line Ngt Ed Pr +

2021
42,777 miles
Trim level: AMG line
2.0L Natural gas (LNG, CNG)
Coupe
Automatic
261 HP (191 kW)
CO2 emissions: 168 g CO2/km comb.
44.1 mpg
Details

£28,635

Rare vehicle

Dealer

M4 6BQ Greater Manchester, Manchester

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Used Dacia Sandero Expression 101 HP (74 kW) 2023 Grey Hatchback

Natural gas (LNG, CNG)

(2023) Dacia Sandero Expression 101 HP

Fair price

DH1 5DQ Pity Me, Durham

130 g CO2/km comb. - 101 HP (74 kW) - 5.8 Mpg

Carwow

Used Dacia Sandero Comfort 101 HP (74 kW) 2022 White Hatchback

Natural gas (LNG, CNG)

(2022) Dacia Sandero Comfort 101 HP

Fair price

BB9 7DU Lancashire, Lancashire

123 g CO2/km comb. - 101 HP (74 kW) - 5.4 Mpg

Carwow

Used Dacia Sandero Expression 101 HP (74 kW) 2023 Blue Hatchback

Natural gas (LNG, CNG)

(2023) Dacia Sandero Expression 101 HP

Fair price

WS11 8XR Staffordshire, Staffordshire

130 g CO2/km comb. - 101 HP (74 kW) - 5.8 Mpg

Carwow

Used Dacia Sandero Expression 101 HP (74 kW) 2023 White Hatchback

Natural gas (LNG, CNG)

(2023) Dacia Sandero Expression 101 HP

Fair price

Estimated price £11,171

HG5 8PY North Yorkshire, North Yorkshire

130 g CO2/km comb. - 101 HP (74 kW) - 5.8 Mpg

Showing 1 - 8 of 8 results

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All models for Mercedes with natural gas (LNG, CNG)

CLS400 (4)

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Mercedes (1000+)