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DEC 449S

1978 MG B

Blue Petrol 1798cc
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MOT Status

Valid
Expires2 Oct 2026
Tests23 (18 pass, 5 fail)
Pass rate78.3%

Mileage

11,164 mi
Last recorded11,164 miles
Recorded on2 Oct 2025
Typical for 1978 MG B49,048 mi

Below or average mileage for this year

4 checks still locked for this MG
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationDEC 449S
MakeMG
ModelB
Year1978
ColourBlue
Fuel typePetrol
Engine1,798cc

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

18 pass 5 fail
Pass 2 Oct 2025 11,164 miles

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

Windscreen wiper blade defective o/s and n/s (3.4 (b) (i))

Pass 3 Oct 2024 11,074 miles
Pass 1 Dec 2022 10,743 miles
Pass 11 Feb 2021 9,937 miles
Fail 11 Feb 2021 9,937 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Pass 21 Feb 2020 9,072 miles
Pass 22 Feb 2019 8,038 miles
Fail 22 Feb 2019 8,038 miles

Nearside Headlamp aim too high (4.1.2 (a))

Pass 14 Feb 2018 6,853 miles
Pass 22 Feb 2017 5,448 miles
Fail 22 Feb 2017 5,448 miles

Exhaust emissions hydrocarbon content excessive (7.3.B.1b)

Pass 26 Feb 2016 4,010 miles
Pass 13 Apr 2015 3,099 miles
Pass 31 Mar 2014 1,561 miles
Pass 26 Mar 2013 394 miles

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

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

rear axle check straps deteriorated

Pass 26 Mar 2012 98,996 miles

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

nearside front brake binding slightly

Pass 28 Mar 2011 97,297 miles
Pass 18 Mar 2010 96,101 miles

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

Pass 5 Jan 2009 93,956 miles
Fail 3 Jan 2009 93,956 miles

Nearside Front Brake hose excessively deteriorated (3.6.B.4d)

Offside Front Brake hose excessively deteriorated (3.6.B.4d)

Pass 19 Nov 2007 93,369 miles

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

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

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

all four tyres cracking on side walls

inner sill panels weak

rear spings weak

sill covers fitted

slight play in king pins

slight play in o/s rack joint

Fail 18 Dec 2006 92,559 miles

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

Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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

Nearside Front position lamp(s) not working (1.1.A.3b)

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

Nearside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d)

Nearside Rear wheel bearing has slight play (2.6.2)

Nearside Registration plate lamp not working (1.1.5c)

Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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

all 4 tyres starting to crack on outer walls

Pass 18 Dec 2006 92,559 miles

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

Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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

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

Nearside Rear wheel bearing has slight play (2.6.2)

Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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

all 4 tyres starting to crack on outer walls

How Reliable is the MG B?

Based on 191,608 MOT tests across 19,443 vehicles.

78.1%
Pass Rate
381
Miles/Year
63
Year Lifespan
19,443
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 5,224
brake binding 4,089
Parking brake: efficiency below requirements 3,715
Stop lamp not working 3,343
Steering rack gaiter split 2,887
Full MG B reliability report

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DEC 449S is a 1978 MG B in Blue with a 1,798cc petrol engine. This vehicle has been through 23 MOT tests with a personal pass rate of 78.3%.

Across all 1978 MG B models, the average MOT pass rate is 74.8% with a typical mileage of 49,048 miles. This particular vehicle has performed better than the average for its year.

The most common reason a MG B fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 5,224 recorded failures. If you're considering buying DEC 449S, it's worth having these areas checked by a mechanic before committing.

The MG B typically stays on UK roads for around 63 years. At 48 years old, this MG B is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of DEC 449S?

You can check the full history of DEC 449S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was DEC 449S registered?

DEC 449S is a 1978 MG B, first registered on 24 May 1978.

Is DEC 449S safe to buy?

The MOT history for DEC 449S shows 23 tests with a 78.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does DEC 449S 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 DEC 449S. 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.