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Mercedes S400 (diesel) • 7 cars with Valuation

Market overview: Diesel Mercedes S400 (October-2026): There are currently 7 used diesel Mercedes S400 cars for sale. Prices range from £22,946 to £53,995, with a median price of £26,495. AutoUncle has identified 0 cars as being offered below market price. The typical selling time for a diesel Mercedes S400 is approximately 38 days, and 0.0% of the listings have recently been reduced in price (Source: AutoUncle market data, October-2026).

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Used Mercedes E400 AMG line 340 HP (250 kW) 2021 Black Cabriolet

(2021) Mercedes E400 AMG line 340 HP

Fair price

ST3 7PG Rough Close, Staffordshire

194 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

Carwow

Used Mercedes E400 340 HP (250 kW) 2020 White Estate

(2020) Mercedes E400 340 HP

Fair price

UB7 0LW Harmondsworth, London

200 g CO2/km comb. - 340 HP (250 kW) - 7.5 Mpg

Carwow

Used Mercedes E400 AMG line 340 HP (250 kW) 2021 Black Cabriolet

(2021) Mercedes E400 AMG line 340 HP

Fair price

Estimated price £28,845

DA13 0AG Kent, Kent

193 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

Carwow

Used Mercedes E400 AMG line 330 HP (242 kW) 2023 Grey Sedan

(2023) Mercedes E400 AMG line 330 HP

Fair price

You save £1,200

RM20 3WJ Thurrock, Essex

188 g CO2/km comb. - 330 HP (242 kW) - 6.6 Mpg

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Used (2018) Mercedes S400 AMG line | Fair price

S Class L AMG Line 4dr 9G-Tron

2018
65,802 miles
Trim level: AMG line
2.9L Diesel
Sedan
Automatic
Details

Fair price

£23,999

Dealer

London, London

1 / 1

Used (2019) Mercedes S400 AMG Line Premium | Fair price

S Class L AMG Line Premium 4dr

2019
75,170 miles
Trim level: AMG Line Premium
2.9L Diesel
Sedan
Automatic
Details

Fair price

£26,399

Dealer

London, London

1 / 1

Used (2022) Mercedes S400 AMG line | Fair price

S Class 3.0 S Class AMG Line

2022
10,100 miles
Trim level: AMG line
2.9L Diesel
Sedan
Automatic
Details

Fair price

£59,995

Dealer

London, London

1 / 1

Used (2019) Mercedes S400 AMG Line Premium | Fair price

S Class L AMG Line Premium 4dr

2019
71,857 miles
Trim level: AMG Line Premium
2.9L Diesel
Sedan
Automatic
Details

Fair price

£26,495

Dealer

L30 6YW Merseyside, Merseyside

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Used Mercedes E400 AMG line 340 HP (250 kW) 2020 Silver Coupe

(2020) Mercedes E400 AMG line 340 HP

Fair price

Estimated price £28,193

N11 1GN Greater London, London

191 g CO2/km comb. - 340 HP (250 kW) - 6.6 Mpg

Carwow

Used Mercedes E400 AMG line 340 HP (250 kW) 2020 Grey Cabriolet

(2020) Mercedes E400 AMG line 340 HP

Fair price

Estimated price £25,676

CB10 2RY Little Sampford, Essex

194 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

Carwow

Used Mercedes E400 AMG line 340 HP (250 kW) 2020 Black Coupe

(2020) Mercedes E400 AMG line 340 HP

Good price

You save £2,440

BB1 3NU Lancashire, Lancashire

189 g CO2/km comb. - 340 HP (250 kW) - 6.6 Mpg

Carwow

Used Mercedes E400 AMG line 340 HP (250 kW) 2021 Black Cabriolet

(2021) Mercedes E400 AMG line 340 HP

Fair price

ST3 7PG Rough Close, Staffordshire

194 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

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1 / 1

Used (2019) Mercedes S400 Executive | Expensive

S Class L Grand Edition Executive

2019
96,000 miles
Trim level: Executive
2.9L Diesel
Sedan
Automatic
Details

Expensive

£26,995

Dealer

London, London

1 / 1

Used (2026) Mercedes S400 AMG Line Premium 340 HP | Rare vehicle

S Class L AMG Line Premium 4dr

2026
33,700 miles
Trim level: AMG Line Premium
2.9L Diesel
Sedan
Automatic
340 HP (250 kW)
Details

£29,500

Rare vehicle

Dealer

London, London

1 / 1

Used (2020) Mercedes S400 330 HP | Rare vehicle

S Class L Grand Ed Rear Lux Lounge

2020
50,000 miles
2.9L Diesel
Sedan
Automatic
330 HP (242 kW)
Details

£39,995

Rare vehicle

Dealer

London, London

1 / 1

Used (2019) Mercedes S400 AMG line 335 HP | Rare vehicle

d AMG Line L 9G-Tronic auto 4d

2019
162,000 miles
Trim level: AMG line
2.9L Diesel
Sedan
Automatic
335 HP (246 kW)
CO2 emissions: 158 g CO2/km comb.
39.2 mpg
Details

£22,495

Rare vehicle

Dealer

NG16 2TA Awsworth, Nottinghamshire

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Used BMW 740L M Sport 320 HP (235 kW) 2018 Black Sedan

(2018) BMW 740L M Sport 320 HP

Good price

You save £1,810

ME17 1ET Ulcombe, Kent

197 g CO2/km comb. - 320 HP (235 kW) - 7.2 Mpg

Carwow

Used BMW M340 340 HP (250 kW) 2021 Blue Sedan

(2021) BMW M340 340 HP

Fair price

WD3 3RT Croxley Green, Hertfordshire

160 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow

Used BMW M340 Shadowline 340 HP (250 kW) 2021 Blue Sedan

(2021) BMW M340 Shadowline 340 HP

Good price

You save £1,501

PE321DD Norfolk, Norfolk

160 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow

Used BMW M340 Shadowline 340 HP (250 kW) 2021 Grey Sedan

(2021) BMW M340 Shadowline 340 HP

Good price

You save £1,730

TA6 6DD Somerset, Somerset

160 g CO2/km comb. - 340 HP (250 kW) - 46.3 Mpg

Showing 1 - 8 of 8 results

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