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JWN 543

1986 Mercedes-benz 420

Brown Petrol 4196cc
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MOT Status

Valid
Expires19 Dec 2026
Tests27 (20 pass, 7 fail)
Pass rate74.1%

Mileage

140,233 mi
Last recorded140,233 miles
Recorded on26 Nov 2025
Typical for 1986 Mercedes-benz 420107,080 mi

Above average mileage for this year

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

RegistrationJWN 543
MakeMercedes-benz
Model420
Year1986
ColourBrown
Fuel typePetrol
Engine4,196cc

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 7 fail
Pass 26 Nov 2025 140,233 miles
Pass 20 Dec 2024 139,957 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Front Windscreen wiper blade defective (3.4 (b) (i))

Nearside Rear Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))

Offside Rear Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))

Oil leak, but not excessive Engine & Transmission (8.4.1 (a) (i))

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

Rear Rear Fuel Hose Deteriorated

Tyre slightly damaged/cracking or perishing All (5.2.3 (d) (ii))

Pass 7 Aug 2023 139,548 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Offside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Fuel Hose Deteriorated

Tyre slightly damaged/cracking or perishing All Tyres (5.2.3 (d) (ii))

Windscreen wiper blade defective (3.4 (b) (i))

Pass 10 Aug 2022 139,325 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Nearside Front Integral body structure is corroded but structural rigidity is not significantly reduced Floor Pan (6.1.1 (c) (i))

Offside Front Suspension component mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Fuel hose deteriorated (6.1.3 (c) (ii))

Tyre slightly damaged/cracking or perishing All Tyres (5.2.3 (d) (ii))

Pass 4 Aug 2021 138,824 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Offside Front Suspension component mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Oil leak, but not excessive (8.4.1 (a) (i))

Tyre slightly damaged/cracking or perishing All 4 tyres cracking/perished (5.2.3 (d) (ii))

Pass 13 Aug 2020 138,445 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Fail 11 Aug 2020 138,433 miles

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

Nearside Front Suspension arm corroded and seriously weakened (5.3.3 (b) (i))

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Pass 10 May 2019 137,734 miles

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement x2 (5.3.4 (a) (i))

Nearside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Fluid leak, but not excessive differential (8.4.1 (a) (i))

Fail 29 Apr 2019 137,734 miles

Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement x2 (5.3.4 (a) (i))

Nearside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Fluid leak, but not excessive differential (8.4.1 (a) (i))

Pass 8 May 2018 136,863 miles

Brake pipe slightly corroded various (3.6.B.2c)

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

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

Nearside Front Lower Suspension arm ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Seat belt cut but webbing not significantly weakened (5.2.2a)

exhaust deteriorated

Pass 27 Apr 2017 136,145 miles

Brake hydraulic reservoir modified but not seriously weakened (3.6.A.3)

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

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

Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement front bush (2.4.G.2)

Offside Front Outer Suspension component mounting prescribed area is corroded but not considered excessive sill (2.4.A.3)

Oil leak ()

leak from transmission

Pass 3 May 2016 134,858 miles

All tyres aged slightly

Exhaust has a minor leak of exhaust gases (7.1.2)

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

Oil leak

Steering box has slight play

Pass 5 May 2015 132,868 miles

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

Oil leak

Slight play in steering box

Fail 27 Apr 2015 132,868 miles

Steering damper leaking oil (2.2.C.1f)

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

Oil leak

Slight play in steering box

Pass 6 May 2014 131,070 miles

N/S/F Inner wheel arch getting rusty

Slight play in steering box

Fail 28 Apr 2014 130,643 miles

Nearside Front Brake hose bulging under pressure (3.6.B.3)

N/S/F Inner wheel arch getting rusty

Slight play in steering box

Pass 16 May 2013 128,681 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Oil leak

Slight play in steering box

Fail 13 May 2013 128,680 miles

Offside Front Lower Suspension arm corroded and seriously weakened (2.4.G.1)

Exhaust has a minor leak of exhaust gases (7.1.2)

Oil leak

Slight play in steering box

Pass 17 Apr 2012 126,401 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

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

Slight play in steering box

Fail 17 Apr 2012 126,401 miles

Offside Headlamp aim too low (1.8)

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

Nearside Headlamp aim too low (1.8)

Slight play in steering box

Exhaust has a minor leak of exhaust gases (7.1.2)

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

Pass 13 May 2011 124,116 miles

play in steering box, front number plate in poor condition,major oil leak from gearbox

Fail 13 May 2011 124,115 miles

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

Nearside Rear Shock absorber has a serious fluid leak (2.7.3)

play in steering box, front number plate in poor condition,major oil leak from gearbox

Pass 7 May 2010 122,353 miles

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

Offside Front Seat belt damaged but webbing not significantly weakened (5.2.2a)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

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

Pass 13 May 2009 119,176 miles

Brake pipe slightly corroded (3.6.B.2c)

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

Pass 15 Sep 2008 118,151 miles

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

Offside inner track rod end joint cover split/missing

Pass 10 Sep 2007 116,826 miles

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

Rear Brake pipe slightly corroded (3.6.B.2c)

Pass 6 Sep 2006 115,780 miles

Rear Brake pad(s) wearing thin (3.5.1g)

How Reliable is the Mercedes-benz 420?

Based on 24,311 MOT tests across 2,343 vehicles.

75.7%
Pass Rate
809
Miles/Year
40
Year Lifespan
2,343
On UK Roads

Top MOT Failure Points

Suspension component mounting prescribed area is excessively corroded 647
Brake pipe excessively corroded 577
Tyre tread depth below requirements of 1.6mm 565
brake binding 530
Windscreen wiper does not clear the windscreen effectively 479
Full Mercedes-benz 420 reliability report

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JWN 543 is a 1986 Mercedes-benz 420 in Brown with a 4,196cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 74.1%.

Across all 1986 Mercedes-benz 420 models, the average MOT pass rate is 75.0% with a typical mileage of 107,080 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 420 fails its MOT is suspension component mounting prescribed area is excessively corroded, accounting for 647 recorded failures. If you're considering buying JWN 543, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz 420 typically stays on UK roads for around 40 years. At 40 years old, this Mercedes-benz 420 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of JWN 543?

You can check the full history of JWN 543 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was JWN 543 registered?

JWN 543 is a 1986 Mercedes-benz 420, first registered on 27 November 1986.

Is JWN 543 safe to buy?

The MOT history for JWN 543 shows 27 tests with a 74.1% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does JWN 543 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 JWN 543. 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.