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D304 BGM

1986 Mercedes-benz 420

Silver Petrol 4196cc
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MOT Status

Expired
Expires28 Jul 2026
Tests24 (17 pass, 7 fail)
Pass rate70.8%

Mileage

137,360 mi
Last recorded137,360 miles
Recorded on29 Jul 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
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Vehicle Details

RegistrationD304 BGM
MakeMercedes-benz
Model420
Year1986
ColourSilver
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

17 pass 7 fail
Pass 29 Jul 2025 137,360 miles

Exhaust emits blue smoke during acceleration (8.2.1.2 (g))

Pass 2 May 2024 137,091 miles
Fail 1 May 2024 137,091 miles

Offside Headlamp aim too high (4.1.2 (a))

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

Pass 12 Apr 2023 136,479 miles

Exhaust emits blue smoke during acceleration (8.2.1.2 (g))

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

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Nearside Front slight movement in steering idler

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

Pass 28 Apr 2021 135,504 miles

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

Nearside Front Inner Steering linkage ball joint ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

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

Pass 10 Sep 2019 134,631 miles
Fail 6 Sep 2019 134,630 miles

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

Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))

Pass 7 Sep 2018 132,882 miles

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

Power steering component has slight seepage from a component (2.1.5 (a))

Pass 8 Sep 2017 130,545 miles

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

Fail 5 Sep 2017 130,545 miles

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

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

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

Pass 3 Aug 2016 128,847 miles

oil leak

Pass 3 Sep 2015 128,160 miles

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

Nearside Front Drag link end ball joint has slight play (2.2.B.1f)

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

oil leak

Pass 21 Jul 2014 125,964 miles

Oil leak

Steering box has a slight oil leak (2.2.D.2e)

Steering pivot point has slight play (2.2.B.1g)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Fail 9 Jul 2014 125,960 miles

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

Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

Nearside Windscreen wiper blade missing (8.2.2)

Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

Offside Headlamp aim too low (1.8)

Offside Rear Brake performance not tested (3.7.A.1)

Offside rear brake binding (3.7.B.1)

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

Offside Rear Brake pad(s) insecure (3.5.1g) DANGEROUS

Nearside Front Body has slight corrosion (6.1.B.2)

Oil leak

Steering box has a slight oil leak (2.2.D.2e)

Steering pivot point has slight play (2.2.B.1g)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Pass 3 Jul 2013 124,313 miles

Oil leak

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

o/s obligatory wing mirror glass slightly deterited

Pass 13 Jun 2012 122,291 miles
Pass 10 Jun 2011 119,347 miles
Pass 23 Feb 2011 119,278 miles

Nearside Front Track rod end ball joint has slight play (2.2.B.1f)

Offside Front Track rod end ball joint has slight play (2.2.B.1f)

Oil leak

Windscreen misting from inside

Fail 23 Feb 2011 119,276 miles

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

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

Steering system has excessive free play detected at the steering wheel (steering box fitted) (2.2.A.1a)

Nearside Front Track rod end ball joint has slight play (2.2.B.1f)

Offside Front Track rod end ball joint has slight play (2.2.B.1f)

Oil leak

Windscreen misting from inside

Fail 28 Jul 2009 119,060 miles

Nearside Headlamp aim too high (1.8)

Offside Headlamp aim too low (1.8)

Oil leak

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

both front tyres worn on outer edge

Pass 28 Jul 2009 119,060 miles

Oil leak

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

both front tyres worn on outer edge

Pass 24 Jul 2008 118,790 miles
Pass 10 Jan 2006 118,151 miles
Fail 29 Dec 2005 118,151 miles

Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Rear Suspension component mounting prescribed area is deliberately modified which significantly reduces the original strength (2.4.A.3)

engine oil leaks

near side front tyre wearing on outer edge

slight play in steering joints

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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D304 BGM is a 1986 Mercedes-benz 420 in Silver with a 4,196cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 70.8%.

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 D304 BGM, 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 D304 BGM?

You can check the full history of D304 BGM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was D304 BGM registered?

D304 BGM is a 1986 Mercedes-benz 420, first registered on 21 August 1986.

Is D304 BGM safe to buy?

The MOT history for D304 BGM shows 24 tests with a 70.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does D304 BGM 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 D304 BGM. 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.