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665 NG

2004 Mercedes-benz Sl

Silver Petrol 4966cc
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MOT Status

Valid
Expires5 Dec 2026
Tests21 (17 pass, 4 fail)
Pass rate81%

Mileage

126,734 mi
Last recorded126,734 miles
Recorded on21 Nov 2025
Typical for 2004 Mercedes-benz Sl53,336 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Finance
Write-off
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Vehicle Details

Registration665 NG
MakeMercedes-benz
ModelSl
Year2004
ColourSilver
Fuel typePetrol
Engine4,966cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

17 pass 4 fail
Pass 21 Nov 2025 126,734 miles

Nearside Front Upper Suspension arm ball joint has slight play (5.3.4 (a) (i))

Offside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement Front arm, inner bush (5.3.4 (a) (i))

Offside Rear Nail in tyre not repairable ()

Pass 6 Dec 2024 124,011 miles
Pass 9 Mar 2022 123,483 miles

Nearside Front Brake pipe corroded, covered in grease or other material Slight corrosion (1.1.11 (c))

Offside Front Brake pipe corroded, covered in grease or other material Slight corrosion (1.1.11 (c))

Fail 12 Apr 2021 123,351 miles

Offside Front Shock absorbers has a serious fluid leak (5.3.2 (b))

Offside Headlamp aim too low (4.1.2 (a))

Nearside Front Tyre has ply or cords exposed Inner edge (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Tyre slightly damaged/cracking or perishing Damaged on outer sidewall and has a screw in tread area (5.2.3 (d) (ii))

Nearside Rear Tyre worn close to legal limit/worn on edge Worn to 1.6mm and bald on inner edge (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge Bald on inner edge (5.2.3 (e))

Offside Mirror glass severely deteriorated

Offside Rear Tyre worn close to legal limit/worn on edge Worn to 1.6mm (5.2.3 (e))

Rear Prop shaft flexible coupling slightly deteriorated (6.1.7 (d) (i))

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Pass 27 Jul 2020 116,435 miles

Front Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

Nearside Front Inner Tyre worn close to legal limit/worn on edge edge (5.2.3 (e))

Offside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Rear Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

Pass 12 Mar 2019 108,242 miles

Offside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Fail 8 Mar 2019 108,241 miles

Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))

Offside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Front Tyre worn close to legal limit/worn on edge 245/45r17 continental (5.2.3 (e))

Pass 25 May 2018 108,215 miles

Both front tyres starting to wear on inner edge

Centre stop light inoperative

Nearside Play in steering rack inner joint(s) ()

Offside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Pass 9 Mar 2017 104,681 miles

offside/nearside front tyres wearing low

Fail 8 Mar 2017 104,679 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Front Shock absorber has a serious fluid leak (2.7.3)

Offside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)

Offside Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Front brake disc worn, pitted or scored, but not seriously weakened offside/nearside (3.5.1i)

offside/nearside front tyres wearing low

Pass 16 Mar 2016 93,225 miles

Nearside Front Brake pad(s) wearing thin (3.5.1g)

Nearside Front brake disc worn, pitted or scored, but not seriously weakened general wear (3.5.1i)

Offside Front Brake pad(s) wearing thin (3.5.1g)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Offside Front brake disc worn, pitted or scored, but not seriously weakened general wear (3.5.1i)

inner rear wheel arches & parts of boot floor covered,boot struts weak,fuel cap lanyard broken.

os door mirror glass starting to tarnish,front brake hoses part shrouded

slight chips in windscreen,plastic oversills,engine covers & undershields fitted

Fail 16 Mar 2016 93,224 miles

Nearside Front Lower Shock absorber has an excessively worn bush (2.7.4)

Nearside Headlamp aim too low (1.8)

Offside Front suspension has excessive play in a lower suspension ball joint rear ball joint (2.5.B.1a)

Offside Headlamp aim too high (1.8)

Nearside Front Brake pad(s) wearing thin (3.5.1g)

Nearside Front Shock absorber has a light misting of oil (2.7.3)

Nearside Front brake disc worn, pitted or scored, but not seriously weakened general wear (3.5.1i)

Offside Front Brake pad(s) wearing thin (3.5.1g)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Offside Front brake disc worn, pitted or scored, but not seriously weakened general wear (3.5.1i)

front brake hoses part shrouded.

inner rear wheel arches & parts of boot floor covered,boot struts weak,fuel cap lanyard broken.

os door mirror glass starting to tarnish,brake service message lit on dash,

slight chips in windscreen,plastic oversills,engine covers & undershields fitted

Pass 14 Mar 2015 86,982 miles
Pass 14 Mar 2014 80,017 miles

chip in the windscreen

Pass 15 Mar 2013 72,031 miles

Offside Front Tyre worn close to the legal limit (4.1.E.1)

nearside front tyre is worn on the inner & outer edges

Pass 15 Mar 2012 61,216 miles

chip in the windscreen

Pass 17 Mar 2011 53,348 miles

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Pass 19 Jan 2010 51,095 miles

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 22 Jan 2009 47,802 miles
Pass 20 May 2008 44,979 miles
Pass 24 May 2007 42,163 miles

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

front and rear number plates discoloured

How Reliable is the Mercedes-benz Sl?

Based on 528,820 MOT tests across 35,553 vehicles.

83.4%
Pass Rate
2,023
Miles/Year
43
Year Lifespan
35,553
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,801
Tyre has ply or cords exposed 3,812
Brake pipe excessively corroded 3,463
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 3,077
Windscreen wiper does not clear the windscreen effectively 2,767
Full Mercedes-benz Sl reliability report

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665 NG is a 2004 Mercedes-benz Sl in Silver with a 4,966cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 81%.

Across all 2004 Mercedes-benz Sl models, the average MOT pass rate is 84.8% with a typical mileage of 53,336 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mercedes-benz Sl fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,801 recorded failures. If you're considering buying 665 NG, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Sl typically stays on UK roads for around 43 years. At 22 years old, this Mercedes-benz Sl is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of 665 NG?

You can check the full history of 665 NG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 665 NG registered?

665 NG is a 2004 Mercedes-benz Sl, first registered on 30 April 2004.

Is 665 NG safe to buy?

The MOT history for 665 NG shows 21 tests with a 81% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 665 NG have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on 665 NG. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.