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D21 MWM

1987 Mercedes-benz 420

Blue Petrol 4196cc
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MOT Status

Valid
Expires18 Jan 2027
Tests24 (14 pass, 10 fail)
Pass rate58.3%

Mileage

164,439 mi
Last recorded164,439 miles
Recorded on19 Jan 2026
Typical for 1987 Mercedes-benz 420100,068 mi

Significantly above average — investigate

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

RegistrationD21 MWM
MakeMercedes-benz
Model420
Year1987
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

14 pass 10 fail
Pass 19 Jan 2026 164,439 miles
Fail 19 Jan 2026 164,439 miles

Nearside Front Headlamp aim too high (4.1.2 (a))

Offside Front Headlamp aim too high (4.1.2 (a))

Fail 22 Oct 2025 164,414 miles

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

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

Nearside Rear Outer Brake pipe excessively corroded (1.1.11 (c))

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

Offside Rear Outer Brake pipe excessively corroded (1.1.11 (c))

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

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

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

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

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

Parking brake just met efficiency at 16%

Pass 4 Oct 2024 162,546 miles

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

Fail 23 Sep 2024 162,539 miles

Front Registration plate does not conform to the specified requirements Black and Silver not permitted after 01/01/1980 (0.1 (d))

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

Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Wheel Arch Holed (5.3.6 (a) (i))

Rear Registration plate does not conform to the specified requirements Black and Silver not permitted after 01/01/1980 (0.1 (d))

Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Nearside Exhaust mounting defective Centre Silencer Rubber Hanger Perished (6.1.2 (a))

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Nearside Rear Exhaust mounting defective Rear Silencer Rubber Hanger Perished (6.1.2 (a))

Offside Exhaust mounting defective Centre Silencer hanger (detached, but system still secure) (6.1.2 (a))

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

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Exhaust mounting defective Rear Silencer Rubber Hanger Perished (6.1.2 (a))

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

Pass 8 Sep 2023 159,347 miles
Pass 7 Oct 2022 158,532 miles

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Pass 6 Sep 2021 156,020 miles

Nearside Front Coil spring corroded (5.3.1 (b) (i))

Offside Front Coil spring corroded (5.3.1 (b) (i))

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

Pass 13 Aug 2020 155,620 miles

Front Coil spring corroded both (5.3.1 (b) (i))

Nearside Front Lower Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

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

Fail 13 Aug 2020 155,620 miles

Front Coil spring corroded both (5.3.1 (b) (i))

Nearside Front Lower Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))

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

Pass 28 Nov 2012 150,059 miles
Fail 28 Nov 2012 150,059 miles

Offside Registration plate lamp not working (1.1.C.1d)

Pass 1 Dec 2011 146,250 miles
Fail 29 Nov 2011 146,250 miles

Parking brake lever defective so that it cannot be satisfactorily operated (3.1.3c)

Pass 10 Nov 2010 142,618 miles
Pass 11 Dec 2009 138,708 miles
Pass 9 Dec 2008 132,495 miles
Fail 9 Dec 2008 132,495 miles

Nearside Rear Registration plate lamp not working (1.1.5c)

Pass 7 Dec 2007 124,375 miles

CENTRE AND REAR EXHAUST SILENCER PIPES ARE CORRODED

RECOMMEND TRACKING

Rear tranverse metal brakepipes surface rust

Surface rust rear chassis and suspension parts

Fail 3 Dec 2007 124,375 miles

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

Nearside Exhaust has part of the system excessively deteriorated (7.1.1a)

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

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

Offside Exhaust has part of the system excessively deteriorated (7.1.1a)

Offside Front Exhaust has part of the system excessively deteriorated (7.1.1a)

Offside Front Front wheel bearing rough when rotated (2.5.A.2)

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

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

Offside Obligatory mirror missing (8.1.1)

CENTRE AND REAR EXHAUST SILENCER PIPES ARE CORRODED

RECOMMEND TRACKING

Pass 2 Nov 2006 123,270 miles
Fail 1 Nov 2006 123,270 miles

Offside Obligatory mirror seriously damaged, affecting the rear view (8.1.2a)

EXHAUST SYSTEM GENERALLY CORRODED THROUGH OUT

OFFSIDE FRONT TYRE TREAD IS ON 2.0 MM MINIMUM LEGAL LIMIT IS 1.6 MM

RECOMMEND TRACKING

Pass 11 Nov 2005 121,776 miles

Exhaust system corroded troughout

Nearside front and offside front lower suspension arms corroding

Steering damper shows signs of leak

Fail 10 Nov 2005 121,776 miles

Nearside Front Headlamp aim beam image too far to the left (1.6.B4)

Nearside Front Headlamp aim too low when the centre of the headlamp is below 850mm from the ground (1.6.B2)

Nearside Front Steering arm has relative movement at its fixings (2.2.B.1h)

Offside Front Headlamp aim beam image too far to the left (1.6.B4)

Offside Front Headlamp aim too low when the centre of the headlamp is below 850mm from the ground (1.6.B2)

EXHAUST SYSTEM CORRODED TROUGHOUT

NEARSIDE FRONT AND OFFSIDE FRONT LOWER SUSPENSION ARMS ARE CORRODING

NEARSIDE FRONT TYRE TREAD IS ON 2.0 MM MINIMUM LEGAL LIMIT IS 1.6MM

RECOMMEND TRACKING

STEERING DAMPER SHOWS SIGNS OF LEAK

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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D21 MWM is a 1987 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 58.3%.

Across all 1987 Mercedes-benz 420 models, the average MOT pass rate is 75.9% with a typical mileage of 100,068 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 D21 MWM, 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 39 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 D21 MWM?

You can check the full history of D21 MWM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was D21 MWM registered?

D21 MWM is a 1987 Mercedes-benz 420, first registered on 3 November 1987.

Is D21 MWM safe to buy?

The MOT history for D21 MWM shows 24 tests with a 58.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does D21 MWM 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 D21 MWM. 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.