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F734 MNN

1988 Mercedes-benz 420

Grey Petrol 4196cc
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MOT Status

Expired
Expires6 Jul 2026
Tests20 (15 pass, 5 fail)
Pass rate75%

Mileage

106,659 mi
Last recorded106,659 miles
Recorded on7 Jul 2025
Typical for 1988 Mercedes-benz 420101,568 mi

Below or average mileage for this year

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

RegistrationF734 MNN
MakeMercedes-benz
Model420
Year1988
ColourGrey
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

15 pass 5 fail
Pass 7 Jul 2025 106,659 miles

Offside Front Tyre slightly damaged/cracking or perishing outer wall (5.2.3 (d) (ii))

surface corrosion to under side of body

Pass 23 Oct 2023 106,536 miles

under body surface corrosion

Pass 3 Oct 2022 106,407 miles

under body surface corrosion

Pass 12 Jul 2021 106,065 miles

slight bind on both front brakes

Pass 23 Jul 2020 105,877 miles
Pass 10 May 2019 105,730 miles
Pass 10 May 2018 105,108 miles
Pass 13 May 2017 104,943 miles

Nearside Front tyre outer wall

Pass 3 May 2016 104,154 miles
Pass 1 May 2015 103,395 miles
Fail 28 Mar 2015 103,358 miles

Nearside Exhaust has a major leak of exhaust gases (7.1.2)

Nearside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

Nearside Front front brake binding (3.7.B.1)

Nearside rear parking brake recording little or no effort (3.7.B.6a)

Offside Exhaust has a major leak of exhaust gases (7.1.2)

Offside Rear fog lamp not working (1.3.2b)

Offside rear brake binding (3.7.B.1)

Offside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake: efficiency below requirements (3.7.B.7)

Fail 19 Feb 2015 103,123 miles

Nearside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake: efficiency below requirements (3.7.B.7)

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

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

fuel pipes corroded

metal brake pipes corroded

Pass 19 Mar 2014 97,293 miles

Nearside Front Suspension arm has slight play in a ball joint (2.4.G.2)

Offside Front Suspension arm has slight play in a ball joint (2.4.G.2)

Pass 29 Jan 2013 97,210 miles

Nearside Front Suspension arm has slight play in a ball joint (2.4.G.2)

Offside Front Suspension arm has slight play in a ball joint (2.4.G.2)

Fail 22 Jan 2013 97,207 miles

Brakes imbalanced across an axle (3.7.B.5b)

Exhaust has a major leak of exhaust gases (7.1.2)

Nearside Front Tyre has a bulge, caused by separation or partial failure of its structure (4.1.D.1b)

Nearside Windscreen wiper blade insecure (8.2.2)

Nearside front brake binding (3.7.B.1)

Offside Windscreen wiper blade insecure (8.2.2)

Windscreen washer provides insufficient washer liquid (8.2.3)

front brake application uneven (3.7.B.2)

Exhaust system not adequately supported (7.1.1) DANGEROUS

Nearside Front Suspension arm has slight play in a ball joint (2.4.G.2)

Offside Front Suspension arm has slight play in a ball joint (2.4.G.2)

Fail 24 Apr 2012 97,203 miles

Nearside Front Tyre has a lump, caused by separation or partial failure of its structure (4.1.D.1b)

Rear Exhaust has a major leak of exhaust gases (7.1.2)

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

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 16 Mar 2009 95,053 miles

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

Fail 16 Mar 2009 95,053 miles

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

Offside Front Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 11 Dec 2006 84,943 miles
Pass 5 Aug 2005 80,568 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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F734 MNN is a 1988 Mercedes-benz 420 in Grey with a 4,196cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 75%.

Across all 1988 Mercedes-benz 420 models, the average MOT pass rate is 75.3% with a typical mileage of 101,568 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 F734 MNN, 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 38 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 F734 MNN?

You can check the full history of F734 MNN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was F734 MNN registered?

F734 MNN is a 1988 Mercedes-benz 420, first registered on 30 December 1988.

Is F734 MNN safe to buy?

The MOT history for F734 MNN shows 20 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does F734 MNN 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 F734 MNN. 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.