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4 AOY

1989 Mercedes-benz 420

Black Petrol 4196cc
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MOT Status

Valid
Expires26 Aug 2027
Tests22 (21 pass, 1 fail)
Pass rate95.5%

Mileage

30,250 mi
Last recorded30,250 miles
Recorded on12 Aug 2026
Typical for 1989 Mercedes-benz 420104,245 mi

Below or average mileage for this year

4 checks still locked for this Mercedes-benz
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Vehicle Details

Registration4 AOY
MakeMercedes-benz
Model420
Year1989
ColourBlack
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

21 pass 1 fail
Pass 12 Aug 2026 30,250 miles

Front Service brake binding but not excessively both n/ and o/s (1.2.1 (f))

Rear rear diff leaking oil

underside covered in under seal

Pass 13 Aug 2025 30,231 miles

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Rear diff leaking

bonnet sound proofing slightly loose

Pass 27 Aug 2024 30,221 miles

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Rear diff leaking gear oil

bonnet insulation slightly insecure

Pass 7 Aug 2023 30,211 miles
Pass 8 Aug 2022 30,202 miles
Pass 4 Aug 2021 30,188 miles

Nearside Rear Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Nearside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Pass 7 Aug 2020 30,176 miles

Nearside Front Exhaust Repaired

Pass 15 Jul 2019 30,129 miles

Nearside Front exhaust repaired

Nearside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Pass 16 Jul 2018 30,113 miles

Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))

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

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

Offside Steering box has slight free play detected at steering wheel (2.3 (a) (i))

exhaust system deteriorated and repaired but not leaking gases

Pass 18 Jul 2017 30,098 miles

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

Fail 17 Jul 2017 30,098 miles

Offside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

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

Pass 11 Jul 2016 30,018 miles

center exhaust pipe has been repaired , not blowing

rear brake discs are corroded on the lips

Pass 13 Jul 2015 29,998 miles

exhaust center section has been repaired ,not leaking gases at time of test

rear brake discs are pitting on the lips of the discs

Pass 1 Aug 2014 29,839 miles

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

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

centre exhaust slightly deriorated

Pass 25 Jul 2013 29,718 miles

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

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

center exhaust box is corroded

Pass 13 Jul 2012 29,564 miles

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

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

center section of exhaust is deteriorated

Pass 21 Jul 2011 29,361 miles

Centre Exhaust has part of the system slightly deteriorated (7.1.1a)

Rear Exhaust has part of the system slightly deteriorated (7.1.1a)

rear brake discs slightly pitted

Pass 3 Aug 2010 29,297 miles

Centre Exhaust has part of the system slightly deteriorated (7.1.1a)

rear brake discs are pitted on inner faces . brake readings are not affected.

Pass 30 Jul 2009 29,181 miles

Centre Exhaust has part of the system slightly deteriorated (7.1.1a)

Nearside Rear brake disc slightly pitted (3.5.1h)

Offside brake disc slightly pitted (3.5.1h)

Pass 31 Jul 2008 29,130 miles

Nearside Rear brake disc slightly pitted (3.5.1h)

Offside Rear brake disc slightly pitted (3.5.1h)

Pass 1 Aug 2007 28,893 miles
Pass 7 Aug 2006 28,054 miles

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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4 AOY is a 1989 Mercedes-benz 420 in Black with a 4,196cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 95.5%.

Across all 1989 Mercedes-benz 420 models, the average MOT pass rate is 78.1% with a typical mileage of 104,245 miles. This particular vehicle has performed better than the average for its year.

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 4 AOY, 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 37 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 4 AOY?

You can check the full history of 4 AOY by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 4 AOY registered?

4 AOY is a 1989 Mercedes-benz 420, first registered on 7 August 1989.

Is 4 AOY safe to buy?

The MOT history for 4 AOY shows 22 tests with a 95.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 4 AOY 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 4 AOY. 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.