CarVerify

Free Car Check

G434 NPW

1990 Mercedes-benz 420

Blue Petrol 4196cc
Search another vehicle

MOT Status

Valid
Expires28 Jul 2027
Tests24 (15 pass, 9 fail)
Pass rate62.5%

Mileage

139,881 mi
Last recorded139,881 miles
Recorded on29 Jul 2026
Typical for 1990 Mercedes-benz 420133,525 mi

Below or average mileage for this year

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationG434 NPW
MakeMercedes-benz
Model420
Year1990
ColourBlue
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 9 fail
Pass 29 Jul 2026 139,881 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Coil spring corroded and shock absorbers corroded (5.3.1 (b) (i))

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

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

Front Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Front Suspension rod corroded but not seriously weakened (5.3.3 (b) (i))

Offside Front brake discs back plate missing

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

Rear Coil spring corroded (5.3.1 (b) (i))

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

Fail 29 Jul 2026 139,881 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Coil spring corroded and shock absorbers corroded (5.3.1 (b) (i))

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

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

Front Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Front Suspension rod corroded but not seriously weakened (5.3.3 (b) (i))

Offside Front brake discs back plate missing

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

Rear Coil spring corroded (5.3.1 (b) (i))

Windscreen washer not working (3.5 (a))

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

Pass 18 Jun 2025 138,240 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Service brake requirements only just met. It would appear that the braking system requires adjustment or repair (1.2.1 (c))

Front suspension components corroded

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

Nearside Front Upper 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))

Offside Front Wheel bearing slightly noisy (5.1.3 (b) (i))

Offside Front brake disc back plate missing

Rear Coil spring corroded (5.3.1 (b) (i))

Rear shock absorbers corroded

Pass 20 Jun 2024 136,893 miles

Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

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

Pass 13 Jun 2023 136,780 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

Nearside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Fail 13 Jun 2023 136,780 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Service brake fluctuating, but not excessively (1.2.1 (e))

Nearside Direction indicator not working (4.4.1 (a) (ii))

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

Nearside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Pass 14 Jul 2022 136,024 miles

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

Nearside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Front Upper Anti-roll bar attachment bracket/mounting corroded but its strength is not seriously reduced (5.3.3 (b) (i))

Offside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Pass 14 Jul 2021 134,376 miles
Fail 9 Jul 2021 134,374 miles

Windscreen washer not working (3.5 (a))

Pass 17 Nov 2020 134,328 miles
Fail 17 Nov 2020 134,328 miles

Nearside Front Position lamp not working (4.2.1 (a) (ii))

Windscreen washer provides insufficient washer liquid (3.5 (a))

Fail 27 May 2020 134,284 miles

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

Offside Front Brake pipe excessively corroded (1.1.11 (c))

Pass 11 Mar 2015 133,952 miles
Pass 6 Mar 2014 132,394 miles

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Pass 8 Mar 2013 131,819 miles
Fail 7 Mar 2013 131,815 miles

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

Pass 10 Mar 2012 128,540 miles

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

Nearside Inner Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Offside Front Front wheel bearing has slight play (2.5.A.3c)

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

Fail 12 Oct 2011 128,484 miles

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

Nearside Front Subframe mounting prescribed area is excessively corroded (2.4.A.3)

Offside Rear Mechanical brake component has restricted free movement (3.5.1k)

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

Rear fog lamp switch faulty (1.3.1a)

Service brake indicates brake judder (3.7.D.1)

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

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

Nearside Rear Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Power steering component(s) has slight seepage from a component (2.3.3b)

Pass 1 Oct 2010 128,273 miles
Fail 20 Jul 2010 128,259 miles

Exhaust emits dense blue smoke at idle (7.3.A.2b)

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

Offside Rear Mechanical brake component has restricted free movement (3.5.1k)

Rear registration plate insecure (6.3.1b)

Battery insecure

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

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

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

Nearside Rear coil spring corroded (2.4.C.1b)

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

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

Offside Rear coil spring corroded (2.4.C.1b)

Power steering component(s) has slight seepage from a component (2.3.3b)

advise - front bumper corroded

advise - strong smell of fuel

Pass 2 Jul 2009 128,075 miles
Pass 4 Jan 2008 127,683 miles
Pass 15 Jan 2007 124,410 miles
Fail 12 Jan 2007 124,405 miles

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

Nearside Rear brake disc excessively pitted (3.5.1h)

Offside Rear brake disc excessively pitted (3.5.1h)

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

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

Nearside Front brake disc slightly pitted (3.5.1h)

Offside Front brake disc slightly pitted (3.5.1h)

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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

G434 NPW is a 1990 Mercedes-benz 420 in Blue with a 4,196cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 62.5%.

Across all 1990 Mercedes-benz 420 models, the average MOT pass rate is 74.6% with a typical mileage of 133,525 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 G434 NPW, 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 36 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 G434 NPW?

You can check the full history of G434 NPW by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was G434 NPW registered?

G434 NPW is a 1990 Mercedes-benz 420, first registered on 31 December 1990.

Is G434 NPW safe to buy?

The MOT history for G434 NPW shows 24 tests with a 62.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does G434 NPW 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 G434 NPW. 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.