2018 Mercedes SL400 • Compare 4 used cars with valuation

Market overview: March-2026 Price Analysis: A used Mercedes SL400 from 2018 currently costs between £31,995 and £39,995. On average, the mileage for this year stands at 33,034 miles. The depreciation and price trend over the last 12 months is £0.

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Carwow

Used Mercedes SL400 AMG line 367 HP (269 kW) 2019 Cabriolet

(2019) Mercedes SL400 AMG line 367 HP

Good price

You save £2,505

MK17 0PP Little Horwood, Buckinghamshire

191 g CO2/km comb. - 367 HP (269 kW) - 9.1 Mpg

Carwow

Used Mercedes SL400 AMG line 367 HP (269 kW) 2019 Cabriolet

(2019) Mercedes SL400 AMG line 367 HP

Good price

You save £2,610

RG1 8EQ Berkshire, Berkshire

191 g CO2/km comb. - 367 HP (269 kW) - 9.1 Mpg

Carwow

Used Mercedes SL400 AMG line 367 HP (269 kW) 2019 Cabriolet

(2019) Mercedes SL400 AMG line 367 HP

Super price

You save £4,005

DE73 7HL Stenson, Derbyshire

191 g CO2/km comb. - 367 HP (269 kW) - 9.1 Mpg

Carwow

Used Mercedes SL400 AMG 333 HP (244 kW) 2016 Cabriolet

(2016) Mercedes SL400 AMG 333 HP

Fair price

Estimated price £20,452

179 g CO2/km comb. - 333 HP (244 kW) - 7.7 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

1 / 4

Used (2018) Mercedes SL400 AMG Line Premium 367 HP | Super price

SL Class AMG Line Premium 2dr

May 2018
55,221 miles
Trim level: AMG Line Premium
3.0L Petrol
Cabriolet
Automatic
367 HP (269 kW)
CO2: 175 g CO2/km comb.
Details

Super price

£31,995

£32,150

Dealer

Wales, Powys

-4%

1 / 4

Used (2018) Mercedes SL400 AMG line 367 HP | Fair price

SL AMG Line 2dr 9G-Tronic

2018
26,546 miles
Trim level: AMG line
3.0L Petrol
Cabriolet
Automatic
367 HP (269 kW)
Details

Fair price

£32,995

£34,495

Motors.co.uk

RG14 2BX Berkshire, Berkshire

-1%

1 / 3

Used (2018) Mercedes SL400 AMG Line Premium | Fair price

SL AMG Line Premium 2dr 9G-Tro

2018
30,967 miles
Trim level: AMG Line Premium
3.0L Petrol
Cabriolet
Automatic
Details

Fair price

£36,995

£37,495

Motors.co.uk

DN4 9LX Warmsworth, South Yorkshire

1 / 3

Used (2018) Mercedes SL400 AMG line 367 HP | A bit pricey

SL 3.0 V6 AMG Line Convertible 2dr

2018
19,400 miles
Trim level: AMG line
3.0L Petrol
Cabriolet
Automatic
367 HP (269 kW)
Details

A bit pricey

£39,995

Motors.co.uk

AL3 4DR Hertfordshire, Hertfordshire

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Used Mercedes C43 AMG Premium Plus 390 HP (286 kW) 2020 Cabriolet

(2020) Mercedes C43 AMG Premium Plus 390 HP

Good price

You save £2,453

228 g CO2/km comb. - 390 HP (286 kW) - 9.9 Mpg

Carwow

Used Mercedes C43 AMG Premium Plus 390 HP (286 kW) 2020 Silver Sedan

(2020) Mercedes C43 AMG Premium Plus 390 HP

Fair price

You save £1,205

EH27 8DF West Lothian, West Lothian

225 g CO2/km comb. - 390 HP (286 kW) - 9.9 Mpg

Carwow

Used BMW 540 M Sport 340 HP (250 kW) 2019 Black Sedan

(2019) BMW 540 M Sport 340 HP

Fair price

Estimated price £25,481

PE32 1DD Pott Row, Norfolk

192 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used Mercedes C43 AMG Premium Plus 367 HP (269 kW) 2018 Coupe

(2018) Mercedes C43 AMG Premium Plus 367 HP

Fair price

HA4 0JA Greater London, London

183 g CO2/km comb. - 367 HP (269 kW) - 8.0 Mpg

Showing 1 - 4 of 4 results

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