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A999 NKN

1984 Mercedes-benz Sl

Blue Petrol 2746cc
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MOT Status

Valid
Expires22 Apr 2027
Tests25 (20 pass, 5 fail)
Pass rate80%

Mileage

55,769 mi
Last recorded55,769 miles
Recorded on23 Apr 2026
Typical for 1984 Mercedes-benz Sl94,450 mi

Below or average mileage for this year

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

RegistrationA999 NKN
MakeMercedes-benz
ModelSl
Year1984
ColourBlue
Fuel typePetrol
Engine2,746cc

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

20 pass 5 fail
Pass 23 Apr 2026 55,769 miles
Pass 11 Apr 2025 52,392 miles
Fail 8 Apr 2025 52,390 miles

Front Registration plate does not conform to the specified requirements (0.1 (d))

Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Chassis Rail (5.3.6 (a) (i))

Rear Registration plate does not conform to the specified requirements (0.1 (d))

Pass 22 Mar 2024 51,786 miles
Pass 3 Oct 2022 51,325 miles
Pass 15 Oct 2021 50,623 miles
Pass 30 Sep 2020 49,923 miles
Pass 14 Sep 2019 49,523 miles
Pass 8 Sep 2018 48,418 miles
Pass 24 Aug 2017 45,676 miles
Pass 12 Sep 2016 44,589 miles
Pass 21 Mar 2015 42,960 miles

Exhaust emits blue smoke during acceleration (7.3.A.2c)

Front Exhaust has a minor leak of exhaust gases (7.1.2)

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

Fail 21 Mar 2015 42,950 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Exhaust emits blue smoke during acceleration (7.3.A.2c)

Front Exhaust has a minor leak of exhaust gases (7.1.2)

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

Pass 1 Mar 2014 41,485 miles
Pass 16 Mar 2013 39,470 miles
Pass 14 Jul 2011 37,750 miles

Front Exhaust has a minor leak of exhaust gases (7.1.2)

Fail 14 Jul 2011 37,750 miles

Exhaust system not adequately supported (7.1.1)

Front Exhaust has a minor leak of exhaust gases (7.1.2)

Pass 22 Jun 2010 37,530 miles

Brake hose has slight corrosion to ferrules (3.6.B.4e)

Exhaust emits blue smoke during acceleration (7.3.A.2c)

Front Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 25 Jun 2009 37,225 miles
Fail 10 Jun 2008 36,920 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Exhaust mounting missing (7.1.1b)

Exhaust system not adequately supported (7.1.1)

Rear brake disc slightly pitted (3.5.1h)

Pass 10 Jun 2008 36,920 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Rear brake disc slightly pitted (3.5.1h)

Pass 7 Jun 2007 36,629 miles
Fail 7 Jun 2007 36,629 miles

Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Offside Front Front position lamp(s) not working (1.1.A.3b)

Pass 9 May 2006 36,125 miles

Brake hose slightly deteriorated (3.6.B.4d)

slight blue smoke from exhaust

slight drag on offside handbrake

small hole in offside front floor

Pass 29 Apr 2005 35,477 miles

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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A999 NKN is a 1984 Mercedes-benz Sl in Blue with a 2,746cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 80%.

Across all 1984 Mercedes-benz Sl models, the average MOT pass rate is 76.9% with a typical mileage of 94,450 miles. This particular vehicle has performed better than the average for its year.

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 A999 NKN, 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 42 years old, this Mercedes-benz Sl is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of A999 NKN?

You can check the full history of A999 NKN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was A999 NKN registered?

A999 NKN is a 1984 Mercedes-benz Sl, first registered on 1 June 1984.

Is A999 NKN safe to buy?

The MOT history for A999 NKN shows 25 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does A999 NKN 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 A999 NKN. 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.